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Electronics And Telecommunications Research Institute patents


Recent patent applications related to Electronics And Telecommunications Research Institute. Electronics And Telecommunications Research Institute is listed as an Agent/Assignee. Note: Electronics And Telecommunications Research Institute may have other listings under different names/spellings. We're not affiliated with Electronics And Telecommunications Research Institute, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "E" | Electronics And Telecommunications Research Institute-related inventors


 new patent  Apparatus and system for managing transaction information of public organization using blockchain technology

A transaction information managing system including a plurality of servers and at least one third-party server, wherein the plurality of servers are configured to create, when transactions using the budget of the public organization occurs, a block based on transaction information of the transactions, add the block to the block chain, and share the block chain and the at least one third-party server is configured to perform a mathematical operation to enhance the reliability of the block chain, and a method for managing the transaction information are provided.. . ... Electronics And Telecommunications Research Institute

 new patent  Apparatus and method for providing secure execution environment for mobile cloud

Disclosed herein are an apparatus and method for providing a secure execution environment for a mobile cloud. The apparatus for providing a secure execution environment includes a general execution unit for, when a request for service execution is received, generating authentication information, transmitting the authentication information to a cloud server, and receiving a security key required for secure communication from the cloud server, and a secure execution unit for verifying the security key received from the general execution unit and performing secure communication with the cloud server by running a service execution monitor when verification succeeds, wherein the general execution unit is configured to transmit the authentication information, including general authentication information corresponding to the general execution unit and secure authentication information received from the secure execution unit, to the cloud server, thus allowing the cloud server to verify the general execution unit and the secure execution unit.. ... Electronics And Telecommunications Research Institute

 new patent  Communication method for low latency services in xhaul network

An operation method of a relay base station in a communication network including a central base station, the relay base station, and a terminal may comprise receiving a request message for requesting a low latency service from the terminal; in response to the request message, measuring a signal quality of a radio link between the central base station and the relay station and a signal quality of a radio link between the relay base station and the terminal; determining whether to support the low latency service based on the signal qualities; and when the low latency service is determined to be supported, transmitting downlink data received from the central base station to the terminal without performing modulation and demodulation operations, or transmitting uplink data received from the terminal to the central base station without performing modulation and demodulation operations.. . ... Electronics And Telecommunications Research Institute

 new patent  Computed tomography device and computed tomography image correction method using the same

Provided are a computed tomography device and a computed tomography method. The computed tomography device includes a gantry and an image processing processor. ... Electronics And Telecommunications Research Institute

 new patent  Method and apparatus for accelerating foreground and background separation in object detection using stereo camera

Provided is a method of separating a foreground and a background by extracting a depth image through a stereo camera, generating an occupancy grid map on the basis of the depth image, predicting a free space, and computing a membership value, the method including setting a threshold value of a foreground object existing in a free space boundary region of the predicted free space, determining whether the membership value reaches the threshold value of the foreground object while the membership value is computed, terminating the computing of the membership value when it is determined that the membership value being computed reaches the threshold value of the foreground object in the determining, and separating a foreground and a background through the computed membership value.. . ... Electronics And Telecommunications Research Institute

 new patent  Convolutional neural network system having binary parameter and operation method thereof

Provided is a convolutional neural network system. The system includes an input buffer configured to store an input feature, a parameter buffer configured to store a learning parameter, a calculation unit configured to perform a convolution layer calculation or a fully connected layer calculation by using the input feature provided from the input buffer and the learning parameter provided from the parameter buffer, and an output buffer configured to store an output feature outputted from the calculation unit and output the stored output feature to the outside. ... Electronics And Telecommunications Research Institute

 new patent  Light modulation system and light source illumination device thereof

Disclosed is a light modulation system and a light source illumination device thereof. The light modulation system may include: a first diffractive optical element for expanding optical beams from a light source; an optical waveguide for performing total internal reflection of the expanded optical beams and transmitting resultant optical beams; a second diffractive optical element for modifying an angle of the transmitted optical beams; and a digital micro-mirror device for modulating the angle-modified optical beams.. ... Electronics And Telecommunications Research Institute

Power saving method in wireless communication system

A method and apparatus of accessing a channel in a wireless local area network is provided. A destination station receives a request to send (rts) frame to allocate a network allocation vector from a source station over a first bandwidth and transmits a clear to send (cts) frame over a second bandwidth to the source station in response to the rts frame. ... Electronics And Telecommunications Research Institute

Method for configuring mass mobile backhaul, transmission method and apparatus for mass mobile backhaul, and handover method and apparatus for mass mobile backhaul

A transmission method of a mobile station moved in a region of a cell provided by a base station and providing a wireless lan (local area network). The mobile station receives a plurality of uplink packet flows from a terminal. ... Electronics And Telecommunications Research Institute

Method and apparatus for transmitting downlink data and uplink data in nb-iot system

A method for transmitting downlink by a network node. The network node creates downlink data for a terminal which is in a radio resource control (rrc) idle state. ... Electronics And Telecommunications Research Institute

Broadcast signal frame generating apparatus and broadcast signal frame generating method using layered division multiplexing

An apparatus and method for broadcast signal frame using layered division multiplexing are disclosed. An apparatus for generating broadcast signal frame according to an embodiment of the present invention includes a combiner configured to generate a multiplexed signal by combining a core layer signal and an enhanced layer signal at different power levels; a power normalizer configured to reduce the power of the multiplexed signal to a power level corresponding to the core layer signal; a time interleaver configured to generate a time-interleaved signal by performing interleaving that is applied to both the core layer signal and the enhanced layer signal; and a frame builder configured to generate a broadcast signal frame including a preamble for signaling, start position information of physical layer pipes (plps) and time interleaver information shared by the core layer signal and the enhanced layer signal.. ... Electronics And Telecommunications Research Institute

Method and apparatus for detecting cyberthreats through correlation analysis

Disclosed is a method for detecting a cyberthreat through correlation analysis of security events, which includes extracting a false-positive data set by extracting, from source data, information about security events occurring during a predetermined time period based on a time at which erroneous detection occurred; extracting a true-positive data set by extracting, from the source data, information about security events occurring during the predetermined time period based on a time at which an intrusion threat was correctly detected; extracting a current data set by extracting information about security events occurring during the predetermined time period from data to be analyzed; generating event coincidence statistics by extracting a frequency of each security event in the respective data sets and by compiling statistics thereon; generating an event vector based on the event coincidence statistics; and performing intrusion threat detection through a vector space model based on the event vector.. . ... Electronics And Telecommunications Research Institute

System for providing health information having authentication data and operating method thereof

Provided are a system for providing health information with authentication data and an operation method thereof. The system for providing health information includes a storage device, a data combination device, and a data authentication device. ... Electronics And Telecommunications Research Institute

Structure of interface identifier (iid) of internet protocol version 6 (ipv6) address, method of defining iid, and communication device for performing the same

A structure of an interface identifier (bd) of an internet protocol version 6 (ipv6) address, a method of defining the bd and a communication device for performing the method are provided. The structure of the bd may include a “u” bit indicating a uniqueness of the ipv6 address, and fffe16 bits located in a central portion of the bd.. ... Electronics And Telecommunications Research Institute

07/05/18 / #20180191458

Apparatus and method for preventing information leakage

An apparatus and a method for preventing an information leakage. The apparatus for preventing the information leakage includes a shielding signal pattern generation unit configured to generate a shielding signal pattern including a radiation band and a radiation suppression band; a shielding signal generation unit configured to generate an electromagnetic leakage shielding signal corresponding to an orthogonal frequency division multiplexing (ofdm) scheme by using the shielding signal pattern; a signal amplification unit configured to amplify a transmitting power of the electromagnetic leakage shielding signal; and an antenna unit configured to transmit the amplified electromagnetic leakage shielding signal.. ... Electronics And Telecommunications Research Institute

07/05/18 / #20180191379

Modulator and modulation method using non-uniform 16-symbol signal constellation for low-density parity check codeword having 4/15 code rate

A modulator and a modulation method using a non-uniform 16-symbol signal constellation are disclosed. The modulator includes a memory and a processor. ... Electronics And Telecommunications Research Institute

07/05/18 / #20180191378

Low density parity check encoder having length of 64800 and code rate of 5/15, and low density parity check encoding method using the same

A low density parity check (ldpc) encoder, an ldpc decoder, and an ldpc encoding method are disclosed. The ldpc encoder includes first memory, second memory, and a processor. ... Electronics And Telecommunications Research Institute

07/05/18 / #20180190949

Organic light-emitting device and method of manufacturing the same

An organic light-emitting device includes a substrate, a bottom electrode on the substrate, an organic light-emitting layer on the bottom electrode, and a top electrode on the organic light-emitting layer, wherein the top electrode includes a first electrode part, a grid-shaped or plate-shaped second electrode part on the first electrode part, and an adhesive layer on the second electrode part.. . ... Electronics And Telecommunications Research Institute

07/05/18 / #20180190466

Electron emission source and x-ray generator using the same

An electron emission source includes a cathode electrode having a recess region formed in an upper portion thereof and the yarn emitter having a tip shape and provided in the recess region of the cathode electrode. The yarn emitter is spaced from an inner surface of the recess region of the cathode electrode.. ... Electronics And Telecommunications Research Institute

07/05/18 / #20180189679

Self-learning system and method for automatically performing machine learning

Provided are a self-learning system and method for automatically performing machine learning (ml). The self-learning system includes a memory configured to store an ml knowledge database (db) in which ml knowledge is stored and a program for automatically performing ml based on request information of a user, and a processor configured to execute the program stored in the memory. ... Electronics And Telecommunications Research Institute

07/05/18 / #20180189655

Data meta-scaling apparatus and method for continuous learning

Provided is a data meta-scaling method. The data meta-scaling method optimizes an abbreviation criterion for abbreviating data through continuous knowledge augmentation in various dimensions which enable expression of data in a process of performing machine learning.. ... Electronics And Telecommunications Research Institute

07/05/18 / #20180189643

Convolution circuit, application processor including the same, and operating method thereof

Provided is an operation method of a convolution circuit. The method includes receiving input feature maps, generating output feature maps corresponding to the respective input feature maps through convolution operations for performing parallel processing with a kernel unit, and outputting the output feature maps to an external memory.. ... Electronics And Telecommunications Research Institute

07/05/18 / #20180189596

Machine learning method and apparatus

A machine learning method for learning how to form bounding boxes, performed by a machine learning apparatus, includes extracting learning images including a target object among a plurality of learning images included in a learning database, generating additional learning images in which the target object is rotated from the learning images including the target object, and updating the learning database using the additional learning images.. . ... Electronics And Telecommunications Research Institute

07/05/18 / #20180189571

Method and apparatus for determining signature actor and identifying video based on probability of appearance of signature actor

A signature actor determination method for video identification includes setting a list of actors who appear in each of a plurality of videos, generating a plurality of subsets including the actors, and determining that an actor included in a single final set indicating a first video among the plurality of subsets is a signature actor of the first video. Accordingly, video identification is possible by using just a little information.. ... Electronics And Telecommunications Research Institute

07/05/18 / #20180189500

Wearable device and data security method thereof

Provided is an operating method of a wearable device, the method including setting a threshold voltage when there is not a physical contact of an outsider, measuring an envelope voltage while performing a data communication, determining whether to be the physical contact with the outsider by comparing the threshold voltage with the envelope voltage, and stopping the data communication, when there is the physical contact with the outsider.. . ... Electronics And Telecommunications Research Institute

07/05/18 / #20180188788

Method for managing power for power failure prevention based on smart plug and apparatus using the same

Disclosed herein are a smart plug-based power management method for preventing a power failure and an apparatus for the method. The power management method includes acquiring load amount information for each of multiple loads corresponding to power management targets, checking a maximum amount of power that is capable of being generated by a solar power generator, setting a power supply mode based on at least one of whether power is being supplied from a power system and a result of a comparison of the load amount information with the maximum amount of power, and performing power management so as to prevent a power failure by interrupting a supply of power so as to correspond to the power supply mode based on multiple smart plugs for controlling corresponding ones of the multiple loads.. ... Electronics And Telecommunications Research Institute

07/05/18 / #20180188686

Method and apparatus for hologram resolution transformation

A method and an apparatus for hologram resolution transformation are disclosed. A number of pixels for zero padding for an original hologram of a first resolution is calculated based on a wavelength and an imaging distance, and the zero padding is performed on the original hologram of the first resolution based on the number of pixels to obtain the original hologram of a second resolution. ... Electronics And Telecommunications Research Institute

07/05/18 / #20180188303

Gigahertz transverse electromagnetic (gtem) cell for measuring insertion loss and insertion loss measurement method using the gtem cell

Provided is a gigahertz transverse electromagnetic (gtem) cell for measuring an insertion loss and an insertion loss measurement method using the gtem cell. The gtem cell may include an output port configured to measure an insertion loss of a test object occurring when an electromagnetic field having specific intensity is applied to the test object, and may measure the insertion loss of the test object from the gtem cell based on a change in the intensity of the electromagnetic field measured using the output port.. ... Electronics And Telecommunications Research Institute

07/05/18 / #20180188238

Biosensor

Provided is a biosensor including a capillary unit having a capillary channel therein and a reagent disposed in the capillary channel, the reagent being configured to develop colors in a sample, and a measuring unit configured to measure a degree of color development of the sample in the capillary channel.. . ... Electronics And Telecommunications Research Institute

06/28/18 / #20180184335

Communication method and frame structure for a coordinator device, source device and relay device in a wireless system

Provided is a communication method of a coordinator in a wireless networks system that uses a reservation-based media access control (mac). The communication method includes receiving, from a source device, a frame that requests a reservation resource for a relay device, to enable a frame that the source device transmits to a destination device to be relayed via the relay device, and allocating the reservation resource for the relay device, in response to the request.. ... Electronics And Telecommunications Research Institute

06/28/18 / #20180181374

Apparatus and method for modular multiplication

An apparatus and method for modular multiplication. The modular multiplication apparatus includes a first operation unit for performing a first operation based on a structure of at least one of a serial multiplier and a serial squarer-based multiplier; a second operation unit for performing a second operation based on a structure of at least one of the serial multiplier and the serial squarer-based multiplier; an adder unit for outputting the sum of results of the first operation and the second operation, inputting an intermediate value stream to the first input unit, which calculates the product of the intermediate value stream and a zeta parameter, and outputting a high-order term as a result of montgomery modular multiplication, wherein the first and second operation units output a result in digit-serial format in order from the least significant digit to the most significant digit.. ... Electronics And Telecommunications Research Institute

06/21/18 / #20180177027

Switch for controlling lighting using magnetic sensing and touch sensing and method using the same

Disclosed herein are a lighting control switch using magnetic sensing and touch sensing and a method using the lighting control switch. The lighting control switch includes a magnetic sensing module for generating a magnetic sensing signal by sensing a magnetic signal that is generated in order to control a lighting device, a touch-sensing module for generating a touch-sensing signal by sensing a touch signal that is generated in order to control the lighting device, and a control unit for receiving the magnetic signal and the touch signal based on logic control in response to generation of at least one of the magnetic sensing signal and the touch-sensing signal and controlling the lighting device by generating a control signal in consideration of the magnetic signal and the touch signal.. ... Electronics And Telecommunications Research Institute

06/21/18 / #20180176911

Transmission method and apparatus using shared timeslot and broadcast, and firmware update method and apparatus using the same

A network managing apparatus and a transmission method thereof are provided. The transmission method includes: broadcasting a plurality of packets using a plurality of shared timeslots shared by a plurality of network nodes for downlink communication and a base channel; determining one or more missed packets that are not received by the plurality of network nodes among the plurality of packets; determining a distributor that is to transmit the one or more missed packets and a distribution timeslot and a distribution channel for transmission of the one or more missed packets; and broadcasting transmission schedule information including information on the distributor and information on the distribution timeslot and the distribution channel using the base channel.. ... Electronics And Telecommunications Research Institute

06/21/18 / #20180176637

Apparatus and method for retransmitting advanced television systems committee (atsc) 3.0 digital tv broadcast

Provided are an apparatus for retransmitting an advanced television systems committee (atsc) 3.0 digital tv broadcast and methods of the same, the apparatus including a receiver configured to selectively receive at least one of an atsc 3.0 based digital broadcast signal and an atsc 3.0 based internet protocol (ip) packet input through a first network, a controller configured to generate a moving picture experts group-2 transport stream (mpeg-2 ts) packet by converting audio/video (a/v) packets and signaling information to be received at a second network based on an output signal of the receiver, and extract and provide broadcast program information for a system information (si) system of a digital broadcast headend to generate an si table related to a broadcast program converted to mpeg-2 ts, and a transmitter configured to transmit broadcast data to which the mpeg-2 ts packet is converted and the broadcast program information through the second network.. . ... Electronics And Telecommunications Research Institute

06/21/18 / #20180175975

Operating method of communication node in network supporting licensed and unlicensed bands

An operating method of a communication node in a network supporting licensed and unlicensed bands is disclosed. An operation method of a base station comprises the steps of: transmitting a pdsch to a ue in an unlicensed band; receiving an harq response to the pdsch from the ue; and determining a size of a cw on the basis of a proportion of nacks in harq responses. ... Electronics And Telecommunications Research Institute

06/21/18 / #20180175917

Method and apparatus for transmitting and receiving data in a mimo system

The present invention relates to a method and apparatus for transmitting and receiving data. A data transmission method from a sender terminal to a receiver terminal in a mimo system using a variable frequency band according to one embodiment of the present invention comprises: repeatedly generating a signal field depending on a frequency band that is applied to the transmission of a data frame; generating a data field including the data; generating a data frame including the signal field and the data field; and transmitting the data frame to the receiver terminal. ... Electronics And Telecommunications Research Institute

06/21/18 / #20180174006

Apparatus and method for generating 2d barcode and apparatus for extracting 2d barcode information

An apparatus and method for generating a two-dimensional (2d) barcode and an apparatus for extracting 2d barcode information. The apparatus for generating a 2d barcode includes a metadata creation unit for creating metadata corresponding to insertion data and a 2d barcode, a data conversion unit for generating data blocks by converting the insertion data based on the metadata, a pattern generation unit for generating metadata patterns and data block patterns by substituting respective predefined symbols for the metadata and the data blocks, and a 2d barcode generation unit for generating a 2d barcode that contains distortion correction patterns, the metadata patterns, and the data block patterns.. ... Electronics And Telecommunications Research Institute

06/14/18 / #20180167982

Access control method and apparatus based on service level

An operation method of a server in a communication network includes receiving a connection request message from each of a plurality of gateways connected to the server; identifying a service level of a terminal that has transmitted the connection request message based on information included in the connection request message; selecting a first gateway corresponding to the service level among the plurality of gateways as a gateway to which the terminal is to be connected; and transmitting a connection approval message, which is a response to the connection request message, to the terminal through the first gateway.. . ... Electronics And Telecommunications Research Institute

06/14/18 / #20180167973

Method for controlling wireless communication network and server therefor

A method of controlling a wireless communication network, performed by a server, includes determining neighbor base stations adjacent to a target base station based on a connection relationship between a plurality of base stations; setting at least two reference base stations based on hop distances between the neighbor base stations; grouping terminals connected to the target base station into at least two groups based on information of the at least two reference base stations, and allocating a different time resource to each of the at least two groups.. . ... Electronics And Telecommunications Research Institute

06/14/18 / #20180167969

Channel allocation system and method for accomodating multiple nodes in sensor network

A channel allocation system for accommodating a plurality of nodes in a sensor network includes a pan coordinator generating channel allocation information and csma idle information and transmitting a beacon including the channel allocation information and the csma idle information; and at least one node receiving the beacon, determining whether the contention period is in idle state based on the extracted channel allocation information and the csma idle information, determine a transmission time, an operation state in a reception interval, how to process received data by determining whether a channel is allocated based on whether the contention period is in idle state, and operating according to the determination result.. . ... Electronics And Telecommunications Research Institute

06/14/18 / #20180167902

Apparatus and method for detecting upstream rf signals based on preamble, and apparatus for cable broadcasting using the same

Disclosed herein are an apparatus and method for detecting an upstream rf signal based on a preamble. The apparatus for detecting an upstream rf signal based on a preamble includes an analog-to-digital converter unit for receiving an rf analog signal and converting the same into an rf digital signal; a down-converter unit for converting the rf digital signal into a baseband digital signal; a packet detection unit for performing packet detection by performing an operation on the baseband digital signal and preset differential preamble signals; and a timing calculation unit for generating timing information of a terminal device based on the baseband digital signal and time information generated through the packet detection.. ... Electronics And Telecommunications Research Institute

06/14/18 / #20180167599

Apparatus and method for generating image of arbitrary viewpoint using camera array and multi-focus image

An arbitrary viewpoint image generation method includes obtaining an original image set photographed by a plurality of cameras included in a camera array at each of at least one focal distance at a same time point; obtaining a multi-focus image set by generating a multi-focus image from the original image set for each of the at least one focal distance; and generating an arbitrary viewpoint image at a position where a viewpoint is to be moved from the multi-focus image set.. . ... Electronics And Telecommunications Research Institute

06/14/18 / #20180167564

Mobile-based personal content protection apparatus and method thereof

Provided are a mobile-based personal content protection apparatus and method, in which a user sets a mobile terminal to prevent another user from photographing and using personal content with a camera included in the mobile terminal. The mobile-based personal content protection apparatus may include a camera view estimator, a peripheral information receiver, a personal content detector, and a personal content masking unit. ... Electronics And Telecommunications Research Institute

06/14/18 / #20180167048

Impedance matching circuit of communication apparatus

A matching circuit in a communication apparatus may comprise a first inductor disposed at a primary side of a transformer; a second inductor disposed at a secondary side of the transformer; and an impedance element connected to the first inductor and the second inductor. Also, a first terminal of the first inductor may be connected to an input terminal of the transformer, a second terminal of the first inductor may be connected to a common node connected to a ground, a first terminal of the second inductor may be connected to an output terminal of the transformer, a second terminal of the second inductor may be connected to the common node, a first terminal of the impedance element may be connected to the common node, and a second terminal of the impedance element may be connected to the ground.. ... Electronics And Telecommunications Research Institute

06/14/18 / #20180166962

Hybrid self-generation apparatus using vibration source and wind power source, and wireless sensor using the same

A hybrid self-generation apparatus includes a vibration source based generation part installed in a mechanical apparatus and converting vibration energy generated during operation or movement of the mechanical apparatus into first electric energy; a wind power source based generation part installed in the mechanical apparatus and converting kinetic energy of air generated in periphery of the mechanical apparatus during operation or movement of the mechanical apparatus into second electric energy; and a power storage part storing the first electric energy and the second electric energy. Also, the wind power source based generation part includes at least one air controller, and the wind power source based generation part automatically operates or stops power generation according to a movement speed of the mechanical apparatus in accordance with operation of the at least one air controller.. ... Electronics And Telecommunications Research Institute

06/14/18 / #20180166583

Method of fabricating a flexible substrate and the flexible substrate fabricated thereby

Embodiments of the inventive concepts provide a method of fabricating a flexible substrate and the flexible substrate fabricated thereby. The method includes printing a gate catalyst pattern on a separation layer, forming a gate plating pattern on the gate catalyst pattern, forming a gate insulating layer on the gate plating pattern, printing a source catalyst pattern and a drain catalyst pattern spaced apart from each other on the gate insulating layer, and forming a source plating pattern and a drain plating pattern on the source catalyst pattern and the drain catalyst pattern, respectively.. ... Electronics And Telecommunications Research Institute

06/14/18 / #20180166071

Method of automatically classifying speaking rate and speech recognition system using the same

Provided are a method of automatically classifying a speaking rate and a speech recognition system using the method. The speech recognition system using automatic speaking rate classification includes a speech recognizer configured to extract word lattice information by performing speech recognition on an input speech signal, a speaking rate estimator configured to estimate word-specific speaking rates using the word lattice information, a speaking rate normalizer configured to normalize a word-specific speaking rate into a normal speaking rate when the word-specific speaking rate deviates from a preset range, and a rescoring section configured to rescore the speech signal whose speaking rate has been normalized.. ... Electronics And Telecommunications Research Institute

06/14/18 / #20180165929

Method of providing information for supporting rescue in disaster area and apparatus therefor

An operation method of a first apparatus for supporting disaster communications includes obtaining map information of a disaster area from a server; obtaining information on a location of the first apparatus, and obtaining environmental condition information of the first apparatus indicating a risk of an area to which the first apparatus belongs; obtaining information on a location and environmental condition information of a second apparatus located in the disaster area from the second apparatus; determining a disaster risk level indicating a risk level for each location in the disaster area based on the location and environmental condition information of the first apparatus and the location and environmental condition information of the second apparatus; and updating the map information by reflecting the disaster risk level.. . ... Electronics And Telecommunications Research Institute

06/14/18 / #20180165875

Apparatus for reconstructing 3d model and method for using the same

Disclosed herein are an apparatus and method for reconstructing a 3d model. The apparatus for reconstructing a 3d model includes an image acquisition unit for acquiring multi-view images by receiving image signals captured by multiple drones using cameras, a geometric calibration unit for estimating motion variables of the drones based on the acquired multi-view images, and a 3d model creation unit for reconstructing a 3d model of a dynamic object from the matched multi-view images using a multi-view stereo method.. ... Electronics And Telecommunications Research Institute

06/14/18 / #20180165578

Deep neural network compression apparatus and method

Provided are an apparatus and method for compressing a deep neural network (dnn). The dnn compression method includes receiving a matrix of a hidden layer or an output layer of a dnn, calculating a matrix representing a nonlinear structure of the hidden layer or the output layer, and decomposing the matrix of the hidden layer or the output layer using a constraint imposed by the matrix representing the nonlinear structure.. ... Electronics And Telecommunications Research Institute

06/14/18 / #20180165246

Multi-core processor and operation method thereof

A multi-core processor having a first operation mode in which processors perform the same task and a second operation mode in which the processors perform different tasks includes first and second processors configured to write an operation mode value to a first register or second register when a function called in executed software requests the first or second operation mode, a manager configured to assign core ids of the first and second processors according to the operation mode value stored in the first register or second register, and a reset controller configured to reset the first and second processors in response to the function, wherein the manager assigns the same core id to the first and second processors when the operation mode value indicates the first operation mode, and allocates different core ids to the first and second processors when the operation mode value indicates the second operation mode.. . ... Electronics And Telecommunications Research Institute

06/14/18 / #20180162323

Fogging removal system and fogging removal method using the same

Provided is a fogging removal system. The fogging removal system includes: a first substrate; a heating unit disposed on the first substrate; a second substrate disposed on the heating unit; a first electrode disposed on the second substrate; and a control unit electrically connected to the heating unit and the first electrode. ... Electronics And Telecommunications Research Institute

06/14/18 / #20180161056

Follicle transfer and transplantation method based on follicular unit extraction

The present invention provides a follicle transfer and transplantation method based on fue, which provides a follicle extraction punch for transferring and transplanting a follicular unit of a scalp and loads a follicular unit, extracted by the follicle extraction punch, to the follicle extraction punch itself or transfers the extracted follicular unit to a separate needle, thereby enabling a hair transplantation operation to be relatively quickly and accurately performed.. . ... Electronics And Telecommunications Research Institute

06/07/18 / #20180160433

Method of assigning channel for uas control and non-payload communication (cnpc) system

Disclosed is a channel assignment method of a communication system for controlling an unmanned aerial vehicle (uav), the method including receiving assignment data and an interference analysis criterion from a spectrum authority; performing an interference analysis and selecting a control and non-payload communication (cnpc) channel based on the assignment data and the interference analysis criterion; and requesting the spectrum authority for assigning the cnpc channel.. . ... Electronics And Telecommunications Research Institute

06/07/18 / #20180160366

Generating downlink frame and searching for cell

The present application relates to a method of generating a downlink frame. The method of generating the downlink frame includes: generating a first short sequence and a second short sequence indicating cell group information; generating a first scrambling sequence and a second scrambling sequence determined by the primary synchronization signal; generating a third scrambling sequence determined by the first short sequence and a fourth scrambling sequence determined by the second short sequence; scrambling the short sequences with the respective scrambling sequences; and mapping the secondary synchronization signal that includes the first short sequence scrambled with the first scrambling sequence, the second short sequence scrambled with the second scrambling sequence and the third scrambling sequence, the second short sequence scrambled with the first scrambling sequence and the first short sequence scrambled by the second scrambling sequence and the fourth scrambling sequence to a frequency domain.. ... Electronics And Telecommunications Research Institute

06/07/18 / #20180159846

Apparatus for supporting authentication between devices in resource-constrained environment and method for the same

Disclosed herein is an apparatus for supporting authentication between devices, which includes a certificate information storage unit for storing certificate data of a first terminal for managing a certificate; a communication unit for receiving a request for a certificate of the first terminal, which uses a signature value and certificate-related information corresponding to the first terminal, from a second terminal and returning information corresponding to a valid certificate of the first terminal to the second terminal in order to enable the second terminal to authenticate the first terminal; and a certificate verification unit for verifying whether a certificate of the first terminal is valid.. . ... Electronics And Telecommunications Research Institute

06/07/18 / #20180159708

Method and apparatus for generating/transmitting a frame for wireless communication, and synchronization estimation method for wireless communication

Disclosed is a technique related to a method and apparatus for generating a preamble and a data frame for wireless communication, and to a synchronization estimation method using the preamble. According to the technique, a method for generating a frame for wireless communication is disclosed, wherein the method comprises: a step of generating a modified sequence using a first base sequence for synchronization estimation; and a step of allocating the first base sequence and the modified sequence to the frequency domain of a first timeslot to generate a preamble. ... Electronics And Telecommunications Research Institute

06/07/18 / #20180159699

Can controller and data transmission method using the same

Provided are controller area network (can) controller and a data transmission method using the same. The can controller includes a receiver, a reception first in first out (fifo) memory, a transmission fifo memory, and a transmitter. ... Electronics And Telecommunications Research Institute

06/07/18 / #20180159604

Method and apparatus for transmitting signal using multiple radio unit

A method and an apparatus for transmitting a signal by using a plurality of radio units (rus) to a user equipment (ue). The apparatus is configured to: determine an ru set including at least two rus of the plurality of the rus based on a feedback regarding a received strength of a transmission beam formed by the plurality of the rus, wherein the feedback is received from the ue; determine a distributed precoding matrix of which a diversity order is predetermined based on information about an ru included in the ru set; and perform a precoding based on the distributed precoding matrix and transmitting a precoded signal to the ue through the ru set.. ... Electronics And Telecommunications Research Institute

06/07/18 / #20180158640

Field emission apparatus

Disclosed is a field emission apparatus. The apparatus comprises a cathode electrode and an anode electrode spaced apart from each other, an emitter on the cathode electrode, a gate electrode between the cathode and anode electrodes and including at least one gate aperture overlapping the emitter, and an electron transmissive sheet on the gate electrode and including a plurality of fine openings overlapping the gate aperture.. ... Electronics And Telecommunications Research Institute

06/07/18 / #20180158205

Apparatus and method for generating three-dimensional information

A disclosure of the present invention is related to an apparatus and a method for generating three-dimensional information. The apparatus for generating three-dimensional information may include a light source providing light to an object to be reconstructed in three-dimensional information, a coordinate reference mechanism unit provided between the light source and the object and having a plurality of protrusions reflecting the light; a camera unit outputting an image capturing the coordinate reference mechanism unit and the object simultaneously; and a three-dimensional information processing unit generating the three-dimensional information of the object by identifying a projection plane formed by the light and using the projection plane, considering a relationship between a plurality of actual protrusion reflection points at which the light is reflected by the plurality of protrusions respectively and a plurality of protrusion reflection points displayed in the image.. ... Electronics And Telecommunications Research Institute

06/07/18 / #20180158204

Image processing device configured to generate depth map and method of operation the same

Provided is an image processing device. The device includes an active pixel sensor array including a plurality of pixels configured to generate a plurality of signals corresponding to a target, and an image processor configured to generate a depth map about the target based on an intensity difference of two signals among the plurality of signals.. ... Electronics And Telecommunications Research Institute

06/07/18 / #20180157814

Personal authentication method and apparatus based on recognition of fingertip gesture and identification of fake pattern

Disclosed herein are a method and apparatus for authenticating a user based on a fingertip gesture. The authentication apparatus may display a pattern generated based on geometric information about a hand geometry or size of a user, and may recognize a fingertip gesture via interaction with the user with respect to the pattern. ... Electronics And Telecommunications Research Institute

06/07/18 / #20180157729

Distributed in-memory database system and method for managing database thereof

Disclosed herein is a distributed in-memory database system for partitioning a database and allocating the partitioned database to a plurality of distributed nodes, wherein at least one of the plurality of nodes includes a plurality of central processing unit (cpu) sockets in which a plurality of cpu cores are installed, respectively; a plurality of memories respectively connected to the plurality of cpu sockets; and a plurality of database server instances managing allocated database partitions, wherein each database server instance is installed in units of cpu socket groups including a single cpu socket or at least two cpu sockets.. . ... Electronics And Telecommunications Research Institute

06/07/18 / #20180157711

Method and apparatus for processing query based on heterogeneous computing device

Disclosed herein are a method and an apparatus for processing a query based on a heterogeneous computing device. The method includes generating, by the apparatus for processing a query, an optimal query execution plan for processing the query using all of a plurality of computation resources included in a heterogeneous computation resource and dividing data corresponding to the query depending on a data division ration included in the query execution plan and allocating the divided data to each computation resource. ... Electronics And Telecommunications Research Institute

06/07/18 / #20180157640

System and method for automatically expanding input text

Provided is a method of automatically expanding input text. The method includes receiving input text composed of a plurality of documents, extracting a sentence pair that is present in different documents among the plurality of documents, setting the extracted sentence pair as an input of an encoder of a sequence-to-sequence model, setting an output of the encoder as an output of a decoder of the sequence-to-sequence model and generating a sentence corresponding to the input, and generating expanded text based on the generated sentence.. ... Electronics And Telecommunications Research Institute

06/07/18 / #20180157549

Multi-core processor and cache management method thereof

A multi-core processor connected to main memory or peripheral device and having dual modular redundancy mode in which each processor performs the same task includes a first processor which generates first write-in data by performing the task, and writes the first write-in data to the main memory or peripheral device after fault detection operation on the first write-in data, a second processor which generates second write-in data by performing the task, and prevents writing of the second write-in data to the main memory or peripheral device after the fault detection operation on the second write-in data, and a fault manager which performs the fault detection operation by comparing the first write-in data with the second write-in data in the mode, wherein the first write-in data is written to the main memory using first data cache, which is managed using dirty bit indicating whether to synchronize with the main memory.. . ... Electronics And Telecommunications Research Institute

06/07/18 / #20180157520

Parallel processing method supporting virtual core automatic scaling and apparatus therefor

A parallel processing method for a traffic having an order, which supports virtual core automatic scaling in a virtual environment having at least one virtual machine (vm) and at least one virtual core queue for each vm, may comprise identifying a flow of the traffic according to attributes of the traffic; determining a virtual core queue to which the traffic is mapped according to the identified flow and queuing the traffic to the determined virtual core queue; and transferring the traffic from the determined virtual core queue to a vm corresponding to the determined virtual core queue through a virtual switch. Also, traffic belonging to a same flow may be queued to a same virtual core queue and processed by a same virtual core.. ... Electronics And Telecommunications Research Institute

06/07/18 / #20180157242

Apparatus and method for controlling distributed cloud for three-dimensional printers

Provided is an apparatus for controlling a distributed cloud for three-dimensional (3d) printers, the apparatus including a user matcher configured to transmit and receive data to/from a user terminal, a 3d model receiver configured to receive a 3d model selected by the user terminal from a 3d model distribution platform server, a 3d printer manager configured to manage a plurality of 3d printers connected to a distributed cloud for 3d printers, a 3d part model generator configured to divide the 3d model into 3d part models, each of which is producible by a single 3d printer, on the basis of property information of the 3d model and specification information of the 3d printers collected by the 3d printer manager, and a 3d part model transmitter configured to transmit the 3d part models to the plurality of 3d printers on the basis of the property information of the 3d model and the specification information of the 3d printers collected by the 3d printer manager.. . ... Electronics And Telecommunications Research Institute

06/07/18 / #20180157076

Method for manufacturing light emitting apparatus, light emitting apparatus, and window

Provided are a method for manufacturing a light emitting apparatus, the light emitting apparatus, and a window. The method for manufacturing the light emitting apparatus includes preparing a liquid crystal device including a support substrate, a first electrode, a liquid crystal layer, and a sacrificial structure, separating the sacrificial structure from the liquid crystal layer to expose one surface of the liquid crystal layer, and forming a second electrode on the one surface of the liquid crystal layer.. ... Electronics And Telecommunications Research Institute

06/07/18 / #20180156861

Multi-source signal generator and operating method thereof

Provided is a multi-source signal generator including a voltage-controlled oscillator configured to generate a first source signal having a first frequency to deliver the first source signal to a first output port, a single pole double throw (spdt) switch configured to select the first source signal or an external source signal, a first power amplifier configured to amplify power of the first source signal selected by the spdt switch, and a multi-source converting unit configured to multiply a frequency of the amplified first source signal or divide power of the amplified first source signal to generate multi-source signals, wherein the frequency of the first source signal and frequencies of the multi-source signals are included in a millimeter wave band or sub-terahertz (thz) band.. . ... Electronics And Telecommunications Research Institute

06/07/18 / #20180156755

Apparatus for biomaterial and method of detecting biomaterial

Provided is an apparatus for detecting biomaterial and method of detecting biomaterial. The method include providing a sample including a fluorescent material and a biomaterial on one surface of an ultrasound receiving unit, and measuring an ultrasonic wave generated by the fluorescent material by emitting light to the sample.. ... Electronics And Telecommunications Research Institute

06/07/18 / #20180155130

Method for controlling variable production line using skid-type variable workbench and apparatus using the same

A method for controlling a variable production line using a skid-type variable workbench and an apparatus for the same. According to the method, a process group including multiple variable workbenches may be organized based on a design, each of the multiple variable workbenches may be mounted on an upper part of a skid board, the skid board may be loaded on a powered line that moves at a regular speed in a fixed direction, the skid board may be moved in consideration of a position of a worker responsible for each process and a work state of the process group, and movement of a target variable workbench may be stopped by removing a skid board, on which the target variable workbench corresponding to an unload instruction in the process group is mounted, from the powered line when the unload instruction is input by a worker.. ... Electronics And Telecommunications Research Institute

06/07/18 / #20180155066

Method and apparatus for controlling orbit of collocated satellite

Provided is a satellite orbit controlling method and apparatus. A satellite orbit adjusting method performed at a current satellite may include measuring a distance between the current satellite and another satellite using a radio frequency; calculating a relative location relationship between the current satellite and the other satellite based on the measured distance, and estimating an orbit element based on the location relationship; calculating speed increment information for controlling a maneuver based on the estimated orbit element; and adjusting a satellite orbit of the current satellite based on the speed increment information.. ... Electronics And Telecommunications Research Institute

06/07/18 / #20180154215

User customized training system and method of providing training set thereof

A user customized training system according to the present invention includes a sensor module configured to sense a user's motion; a memory in which a program for training is stored; and a processor configured to execute the program stored in the memory, wherein, when the program is executed, the processor acquires coordinates that correspond to the sensed motion, compares the user's motion with pre-stored erroneous motions on the basis of body information generated on the basis of the coordinates, provides a pre-stored set of motion data when a result of the comparison indicates that the user's motion corresponds to an erroneous motion, and, when the sensor module senses a motion of the user corresponding to the set of motion data, provides a training set corresponding to a result of analyzing the sensed motion.. . ... Electronics And Telecommunications Research Institute

06/07/18 / #20180154182

Method for measuring depth profile of particle beam

Provided is a method for measuring a depth profile of a particle beam, the method including providing first sensors in a first direction in auditory organs of a human body, providing second sensors in a second direction that intersects with the first direction on a top of a head and in a mouth of the human body, providing a particle beam into the head of the human body, detecting an acoustic signal generated by the particle beam through the first and second sensors, and calculating a depth profile of the first and second directions of the particle beam corresponding to a bragg peak position of the particle beam in the head using the acoustic signal.. . ... Electronics And Telecommunications Research Institute

05/31/18 / #20180152870

Method and apparatus for applying millimeter wave-based mobile communication technology to unmanned aerial vehicle, operation method of unmanned aerial vehicle using the same, and communication method using the same

An operation method of an unmanned aerial vehicle terminal. The unmanned aerial vehicle terminal generates a beam table by using first information on a plurality of beams transmitted by a first transmission point. ... Electronics And Telecommunications Research Institute

05/31/18 / #20180152391

Cooperation method and resource allocation method for cooperation between iot devices installed in isg

Provided is a cooperation method and a resource allocation method for cooperation between internet of things (iot) devices, a cooperation method between iot devices installed in an iot-based smart greenhouse (isg) including processing data related to a target command and data related to a decision condition, selecting at least one particular device according to the processed data related to the target command, grouping the at least one device according to additional information received from the selected device and the processed data related to the decision condition, transmitting a first execution instruction to each of the grouped devices, regrouping the at least one device according to additional information newly received from the selected device and the processed data related to the decision condition or newly received data related to a decision condition after the grouping, and transmitting a second execution instruction to regrouped device.. . ... Electronics And Telecommunications Research Institute

05/31/18 / #20180152248

Frequency allocation method and transmission apparatus for performing the method

Provided is a frequency allocation method and a transmission apparatus for performing the method, the frequency allocation method may allocate a center frequency of a first intermediate frequency (if) carrier of combined if carriers at a position which is a predetermined interval apart based on direct current (dc) to avoid in view of a non-linear signal distortion component that is generated by an interaction between a chirp and a chromatic dispersion of a laser in a mobile fronthaul.. . ... Electronics And Telecommunications Research Institute

05/31/18 / #20180152245

Transmission apparatus and reception apparatus using mobile fronthaul

Structures of a transmission apparatus and a reception apparatus using a mobile fronthaul that transmit and receive a frequency synchronization signal and a management control signal using at least one of in-band signaling and wavelength division multiplexing (wdm) in a single band or multiple bands of a mobile fronthaul using an intermediate frequency-over-fiber (ifof) based analog transmission scheme.. . ... Electronics And Telecommunications Research Institute

05/31/18 / #20180152244

Host unit and radio unit for distributed antenna system supporting large data traffic

A host unit is provided between a remote radio head and a radio unit. The host unit performs a conversion between a digital optical signal used by the remote radio head and an analog optical signal used by the radio unit. ... Electronics And Telecommunications Research Institute

05/31/18 / #20180152049

Apparatus for reducing electromagnetic wave in wireless power transmitter using reducing coil

Provided is an apparatus for reducing an electromagnetic wave in a wireless power transmitter using a reducing coil, the apparatus that may cancel external emission of a magnetic field formed at a transmission coil using the reducing coil based on induced electromotive force.. . ... Electronics And Telecommunications Research Institute

05/31/18 / #20180151254

High-speed similar case search method and device through reduction of large scale multi-dimensional time series health data to multiple dimensions

Provided are a search method and device for searching for a case similar to user's health data at high-speed from large scale multi-dimensional time series health data. The method includes preprocessing health data inputted through an interface circuit, performing a multi-dimensional feature extraction learning based on machine learning on the preprocessed health data, and generating one or more feature extraction models for dimension reduction based on the multi-dimensional feature extraction learning.. ... Electronics And Telecommunications Research Institute

05/31/18 / #20180151178

Interactive question-answering apparatus and method thereof

Provided are an interactive question answering apparatus and method, which improve an unnatural question sentence and prevent the impossibility of a question in a state which does not know additional information, thereby providing a multimodal-based question answering method enabling a person to provide a question like conversing. Also, a question answering service is exposed to potential product purchasers of content such as an image, video, audio, etc., thereby providing an environment available to advertisement market.. ... Electronics And Telecommunications Research Institute

05/31/18 / #20180151147

Electrochromic display device

Provided is an electrochromic display device including a display panel including a plurality of pixels configured to display an image on a basis of a unit frame defined as first to third sub-frames, a timing controller configured to output a data signal and an off signal, and a data driving circuit configured to provide, to the pixels, a data voltage generated based on the data signal during the second sub-frame and provide, to the pixels, an off voltage generated based on the off signal during the third sub-frame, wherein each of the pixels includes an electrochromic element, and a power supply voltage is delivered to the electrochromic element in response to the data voltage during the second sub-frame and the power supply voltage provided to the electrochromic element is blocked in response to the off voltage during the third sub-frame.. . ... Electronics And Telecommunications Research Institute

05/31/18 / #20180151084

Apparatus and method for providing personalized adaptive e-learning

The present invention relates to an apparatus and method for providing personalized adaptive e-learning, and more specifically, to an apparatus and method for estimating a learner's proficiency to each attribute and providing adaptive e-learning by taking into consideration an item answering result of an individual learner in a personalized learning environment.. . ... Electronics And Telecommunications Research Institute

05/31/18 / #20180151083

Learning diagnosis apparatus and method and adaptive learning system using the same

The present invention relates to a learning diagnosis apparatus, a method of diagnosing a learner's learning ability, and an adaptive learning system for providing adaptive learning using the diagnosis result. The learning diagnosis apparatus includes a database (db) configured to store and manage adaptive learning data and store a program for estimating a learner's proficiency to each attribute and recommending learning content and a processor configured to execute the program, wherein the processor calculates a attribute proficiency vector estimation result of a specific learner using information about a solution to a personalized item together with group test solution information.. ... Electronics And Telecommunications Research Institute

05/31/18 / #20180150857

Apparatus and method for processing tender of aggregate power plant

An apparatus and method for processing a tender of an aggregate power plant. The apparatus for processing a tender of an aggregate power plant includes an aggregate power plant configuration management unit for generating an aggregate profile by forming an aggregate power plant by grouping distributed energy resources for participating in a power market, a monitoring unit for reconfiguring the aggregate profile by monitoring the distributed energy resources, a tender-processing unit for calculating an offering amount of the aggregate power plant using the aggregate profile, and a tender weight calculation unit for calculating a weight coefficient based on meteorological information in order to adjust the offering amount and for providing the weight coefficient to the tender-processing unit.. ... Electronics And Telecommunications Research Institute

05/31/18 / #20180150610

Health data collection device, health evaluation method using the same, and health evaluation system including the health data collection device

Provided are a health data collection device, a health evaluation system using this, and a health evaluation method including the health data collection device. The health data collection device includes a stimulation providing device, a bio signal measurement device, and a controller. ... Electronics And Telecommunications Research Institute

05/31/18 / #20180150609

Server and method for predicting future health trends through similar case cluster based prediction models

The present disclosure herein relates to a future health trend forecasting system and a method thereof through a similar case cluster-based prediction model, and more specifically, to a server and a method thereof for extracting multiple associated feature similar case clusters that match a prediction query for the user's health information through a class prediction model and a future value prediction model for health features of a similar case cluster generated by cyclically clustering the target feature that is a health feature for personal health information and an associated feature of the target feature, predicting future health trends for each associated feature using multiple prediction models based on corresponding similar case clusters, and combining and outputting the prediction results.. . ... Electronics And Telecommunications Research Institute

05/31/18 / #20180150608

Device and method for diagnosing cardiovascular disease using genome information and health medical checkup data

Provided are a device and method for diagnosing cardiovascular disease for providing rapid and accurate treatment and prescription for cardiovascular disease by accurately performing a diagnosis of cardiovascular disease for a particular user using the user's personal health checkup data and genome information measured periodically and the target gene of cardiovascular disease.. . ... Electronics And Telecommunications Research Institute

05/31/18 / #20180150344

Method and apparatus for diagnosing error of operating equipment in smart farm

An error diagnosing method performed by an apparatus for diagnosing an error of operating equipment in a smart farm includes: receiving a control message which triggers an error diagnosis; analyzing data collected from a smart farm on the basis of a preset error diagnostic rule when the control message is received; outputting a result of determining whether an error of the operating equipment installed in the smart farm occurs according to an analysis result; and providing the error determination result to a user through a user interface. It is possible to stably operate and efficiently manage a smart farm.. ... Electronics And Telecommunications Research Institute

05/31/18 / #20180149655

Kit for detecting target material and method of detecting target material using the same

This invention relates to a kit for detecting a target material and a method of detecting a target material using the same.. . ... Electronics And Telecommunications Research Institute

05/31/18 / #20180148338

Method for forming heterojunction structure of graphene and two-dimensional material

A method for forming a heterojunction structure of graphene and a two-dimensional material is provided. The method includes providing a graphene pattern on a substrate, applying a current to the graphene pattern to heat the graphene pattern, and forming a two-dimensional material layer on the graphene pattern.. ... Electronics And Telecommunications Research Institute

05/31/18 / #20180147442

Omnidirectional treadmill apparatus

An omnidirectional treadmill apparatus. The omnidirectional treadmill apparatus includes: a plurality of segments which are continuously arranged along the direction of a first axis, each of which having a belt part; a first rotation unit for rotating the plurality of segments along the direction of the first axis; and a second rotation unit for rotating the belt part of each segment in the direction of a second axis which is perpendicular to the first axis, wherein the belt part has a toothed surface which is tooth-engaged with the second rotation unit.. ... Electronics And Telecommunications Research Institute

05/24/18 / #20180146493

Non-orthogonal transmission method and apparatus in communication system

A non-orthogonal transmission method of a terminal in a communication system may comprise generating data based on a signature used to identify the terminal among a plurality of terminals belonging to the communication system; generating an uplink signal including the data and a demodulation reference signal (dm-rs); and transmitting the uplink signal to a base station without an uplink grant.. . ... Electronics And Telecommunications Research Institute

05/24/18 / #20180146415

Apparatus and method for transmitting and receiving data in wireless communication system

Methods for transmitting and receiving data of a station includes setting a direct route to a corresponding station and a relay route to a relay device, selecting one route as between the direct route and relay route, and transmitting and receiving data through the selected route. A non-transitory computer-readable storage medium may store a program including instructions to cause a computer to perform the method. ... Electronics And Telecommunications Research Institute

05/24/18 / #20180146202

Image encoding/decoding method and device

Disclosed are a method and an apparatus for image encoding/decoding that support a plurality of layers. The method for image decoding that supports a plurality of layers includes decoding information of a first layer which a picture of a second layer including a current decoding target block refers to; mapping the information of the first layer to a picture size of the second layer, configuring a reference picture list for the picture of the second layer by adding the mapped information of the first layer and generating prediction samples of the current decoding target block by predicting the current decoding target block of the second layer based on the reference picture list, and the information of the first layer includes at least one of a sample value and motion information of the first layer picture.. ... Electronics And Telecommunications Research Institute

05/24/18 / #20180146201

Image encoding/decoding method and device

Disclosed are a method and an apparatus for image encoding/decoding that support a plurality of layers. The method for image decoding that supports a plurality of layers includes decoding information of a first layer which a picture of a second layer including a current decoding target block refers to; mapping the information of the first layer to a picture size of the second layer, configuring a reference picture list for the picture of the second layer by adding the mapped information of the first layer and generating prediction samples of the current decoding target block by predicting the current decoding target block of the second layer based on the reference picture list, and the information of the first layer includes at least one of a sample value and motion information of the first layer picture.. ... Electronics And Telecommunications Research Institute

05/24/18 / #20180146200

Image encoding/decoding method and device

Disclosed are a method and an apparatus for image encoding/decoding that support a plurality of layers. The method for image decoding that supports a plurality of layers includes decoding information of a first layer which a picture of a second layer including a current decoding target block refers to; mapping the information of the first layer to a picture size of the second layer, configuring a reference picture list for the picture of the second layer by adding the mapped information of the first layer and generating prediction samples of the current decoding target block by predicting the current decoding target block of the second layer based on the reference picture list, and the information of the first layer includes at least one of a sample value and motion information of the first layer picture.. ... Electronics And Telecommunications Research Institute

05/24/18 / #20180146155

Frame grabber, image processing system including the same, and image processing method using the frame grabber

The present disclosure relates to a frame grabber, an image processing system, and an image processing method. A frame grabber according to an embodiment of the inventive concept includes a plurality of decoders, a plurality of image controllers, a plurality of memories, a synchronization controller, and a synchronization memory. ... Electronics And Telecommunications Research Institute

05/24/18 / #20180145880

Multi-layer management system for software defined network

A multi-layer management system for a software defined network (sdn) is disclosed. The multi-layer management system comprises an external relationship management functional component (erm-fc) interworking with an external management entity and providing management functions to the external management entity, a sdn application layer management functional component (alm-fc) for management of resources of a sdn application layer (sdn-al); a sdn resource layer management functional component (rlm-fc) for management of resources of a sdn resource layer (sdn-rl); a sdn control layer management functional component (clm-fc) for management of resources of a sdn control layer (sdn-cl); and a multi-layer management orchestration functional component (mmo-fc) for management of sdn application and service and inter-layer resource management.. ... Electronics And Telecommunications Research Institute

05/24/18 / #20180145860

Ofdm transmission method and device in wireless lan system

An apparatus and method for orthogonal frequency division multiplexing (ofdm) transmission in a wireless local area network (wlan) system is disclosed, in which the apparatus for ofdm transmission in the wlan system includes a signal repetition unit to repeat an encoded signal based on a block unit and output the encoded signal and a repeated signal, an interleaver to interleave the encoded signal and the repeated signal and output an interleaved signal, a modulator to modulate the interleaved signal and output modulated symbols, and a phase rotation unit to phase shift the modulated symbols.. . ... Electronics And Telecommunications Research Institute

05/24/18 / #20180145843

Apparatus of synchronization for docsis upstream signal transmission through optical ip network and method of the same

Disclosed herein is a synchronization method for transmitting a docsis upstream signal, which is performed by an roip terminal, the synchronization method including receiving a synchronization (sync) message periodically sent by a cable modem termination system (cmts) and thereby synchronizing a clock and generating a reference time; receiving a ranging request signal from a cable modem (cm); including information about a start time of an allocated ranging interval in the ranging request signal, converting the ranging request signal into an ip packet, and transmitting the ip packet to an roip headend device over an ip network in order to enable the roip headend device to convert the ranging request signal, delivered via the ip network, into an rf signal and transmit the rf signal to the cmts; and converting a ranging response message delivered from the cmts into an electric signal and transmitting the electric signal to the cm.. . ... Electronics And Telecommunications Research Institute

05/24/18 / #20180145777

Apparatus for converting broadcast signal and method for using the same

Disclosed herein are an apparatus and method for converting a broadcast signal. The apparatus for converting a broadcast signal includes a demultiplexer unit for receiving a terrestrial broadcast signal and generating a terrestrial signaling signal, a signaling conversion unit for converting the terrestrial signaling signal into a cable signaling signal by parsing the terrestrial signaling signal, a cable multiplexer unit for generating a cable broadcast signal by multiplexing the cable signaling signal, and a cable modulation unit for modulating the cable broadcast signal and transmitting the cable broadcast signal over a cable network.. ... Electronics And Telecommunications Research Institute

05/24/18 / #20180145684

Cascode switch circuit including level shifter

Provided is a cascode circuit including first and second transistors connected between a drain terminal and a source terminal in cascode form, a level sifter configured to change a voltage level of a switching control signal applied to a gate terminal and provide the changed switching control signal to a gate of the first transistor, a buffer configured to delay the switching control signal and provide the delayed switching control signal to a gate of the second transistor, and a first resistor connected between the level shifter and the gate of the first transistor.. . ... Electronics And Telecommunications Research Institute

05/24/18 / #20180145671

Semiconductor device and operation method thereof

Provided is a semiconductor device including a target circuit, a monitoring circuit, and a voltage controller. The target circuit includes a transistor. ... Electronics And Telecommunications Research Institute

05/24/18 / #20180145395

Microwave power combiner

Provided is a microwave power combiner. A 2-way microwave power combiner includes a first input stage and a second input stage each through which a microwave signal is input; a first output stage through which a sum signal between the microwave signals is output, in response to the microwave signals input through the first input stage and the second input stage having the same phase; and a second output stage through which a difference signal between the microwave signals is output, in response to the microwave signals input through the first input stage and the second input stage having different phases. ... Electronics And Telecommunications Research Institute

05/24/18 / #20180144757

Method and apparatus for generating bitstream for acoustic data transmission

Disclosed is a bitstream generation method performed by an acoustic data transmission (adt) encoder, the method including receiving a first audio signal, receiving additional information converted into a bitstream, and transmitting a second audio signal obtained by inserting the bitstream into the first audio signal, to an adt decoder.. . ... Electronics And Telecommunications Research Institute

05/24/18 / #20180144755

Method and apparatus for inserting watermark to audio signal and detecting watermark from audio signal

Disclosed is an audio watermark insertion method. The audio watermark insertion method includes performing a modulated complex lapped transform (mclt) on a first audio signal, inserting a bit string of a watermark in the first audio signal obtained by performing the mclt, performing an inverse modified discrete cosine transform (imdct) on the first audio signal in which the bit string is inserted, and obtaining a second audio signal, which is the first audio signal in which the watermark is inserted, by performing an overlap-add on a signal obtained by performing the imdct and a neighbor frame signal.. ... Electronics And Telecommunications Research Institute

05/24/18 / #20180144634

Method and apparatus for providing traffic safety service based on decision layer model

A method for providing a traffic safety service of a traffic safety service server communicating with a client terminal includes: receiving sensor data of each sensor from the client terminal; classifying the sensor data into data according to at least one specific time slot for each sensor and calculating a safety score of each of the at least time slot; calculating an average of the safety scores of the at least time slot and calculating a safety score for each sensor, and calculating a safety index on the basis of the safety score for each sensor and a weight assigned to each sensor.. . ... Electronics And Telecommunications Research Institute

05/24/18 / #20180144429

Method of processing logistics information, logistics information processing server using the same, and logistics managing apparatus using the same

An a logistics information processing server includes a data processor configured to receive environment sensing data collected from at least one environmental sensor disposed in a cargo storage device in which at least one cargo is stored and cargo related information collected from a cargo tag attached to the at least one cargo, and to perform processing by classifying the environment sensing data and the cargo related data into cargo storage environment data, cargo information, and transportation environment information according to data attributes; and a logistics trust index generator configured to generate a logistics trust index indicating a degree of influence exerted on the quality of the cargo from the cargo storage environment data, cargo information, and transportation environment information output by the data processor.. . ... Electronics And Telecommunications Research Institute

05/24/18 / #20180144250

Data processing apparatus and method for merging and processing deterministic knowledge and non-deterministic knowledge

Provided are a data processing apparatus and method for merging and processing deterministic knowledge and non-deterministic knowledge. The data processing apparatus and method may efficiently process various real-time and large-scale data to convert the data into knowledge by merging and processing non-deterministic knowledge and also deterministic knowledge perceived by an expert. ... Electronics And Telecommunications Research Institute

05/24/18 / #20180144169

Method and apparatus for fingerprint recognition

A method and an apparatus for fingerprint recognition are disclosed. The apparatus for the fingerprint recognition may extract a plurality of fingerprint feature points from a fingerprint image and may predetermine a group among the plurality of fingerprint feature points. ... Electronics And Telecommunications Research Institute

05/24/18 / #20180143690

Method and apparatus for generating tactile sensation

Disclosed are a method and an apparatus for generating a tactile sensation. The method of generating the tactile sensation according to an embodiment of the present disclosure may include: determining a tactile sensation information; generating wave signals associated with each tactile sensation information; generating ultrasonic driving signals in which phases and output timings of the wave signals are adjusted based on frequencies and a number of the wave signals; and generating the tactile sensation associated with the ultrasonic driving signals.. ... Electronics And Telecommunications Research Institute

05/24/18 / #20180143646

Object recognition device, autonomous driving system including the same, and object recognition method using the object recognition device

Provided are an object recognition device, an autonomous driving system including the same, and an object recognition method using the object recognition device. The object recognition device includes an object frame information generation unit, a frame analysis unit, an object priority calculator, a frame complexity calculator, and a mode control unit. ... Electronics And Telecommunications Research Institute

05/24/18 / #20180143463

Optical transmitter module

Provided is an optical transmitter module. The optical transmitter module includes a substrate, a ground layer disposed on the substrate, an electro-absorption modulated laser (eml) chip disposed on the ground layer to generate an modulated optical signal, a ground structure disposed on the eml chip and electrically connected to the ground layer, a matching resistor disposed on the ground structure, and a first bonding wire disposed between the eml chip and the matching resistor to electrically connect the eml chip to the matching resistor.. ... Electronics And Telecommunications Research Institute

05/24/18 / #20180143296

Frequency-modulated continuous wave generator and frequency-modulated continuous wave radar system including the same

Provided is frequency-modulated continuous wave generator. The frequency-modulated continuous wave generator includes a ramp signal generator configured to generate an analog ramp signal, a reference signal generator configured to generate a reference signal based on the analog ramp signal, a phase locked loop configured to output a control voltage based on the reference signal, and a voltage-controlled oscillator configured to generate a frequency-modulated continuous wave based on the control voltage. ... Electronics And Telecommunications Research Institute

05/17/18 / #20180139835

Apparatus for generating charged particles

Disclosed is an apparatus for generating charged particles. The apparatus comprises a light source that emits a laser, a target layer that receives the laser to generate charged particles, and a focusing structure that is between the light source and the target source and focuses the laser. ... Electronics And Telecommunications Research Institute

05/17/18 / #20180139736

Method for transmitting and receiving control information of a mobile communication system

The method for transmitting control information in a mobile communication system includes: determining a control channel resource for transmitting control information by means of the data channel region; and transmitting the control information using the determined control channel resource. A capacity for control information, which increases for multiple user multiple-input multiple-out (mimos) in a heterogeneous network environment, for heterogeneous network interference control using carrier aggregation, for frequent use of a multicast-broadcast single frequency network (mbsfn) subframe, and for a comp transmission control, may be satisfied. ... Electronics And Telecommunications Research Institute

05/17/18 / #20180139697

Method and apparatus for discontinuous transmission/reception operation for reducing power consumption in cellular system

Provided is a method and apparatus for discontinuously transmitting/receiving packets for low-power consumption of a terminal in a cellular system for packet transmission. The present research provides a method and apparatus that can perform a low-power consuming operation when a terminal is in active state in a cellular system. ... Electronics And Telecommunications Research Institute

05/17/18 / #20180139556

Audio encoding apparatus and method, audio decoding apparatus and method, and audio reproducing apparatus

An audio encoding apparatus and method that encodes hybrid contents including an object sound, a background sound, and metadata, and an audio decoding apparatus and method that decodes the encoded hybrid contents are provided. The audio encoding apparatus may include a mixing unit to generate an intermediate channel signal by mixing a background sound and an object sound, a matrix information encoding unit to encode matrix information used for the mixing, an audio encoding unit to encode the intermediate channel signal, and a metadata encoding unit to encode metadata including control information of the object sound.. ... Electronics And Telecommunications Research Institute

05/17/18 / #20180139519

Optical transmitter

An optical transmitter includes an optical modulator configured to modulate an optical signal, a dual-stage space switch configured to receive, as an input, the modulated optical signal from the optical modulator, and output ports configured to control light outputs based on an operation of the dual-stage space switch.. . ... Electronics And Telecommunications Research Institute

05/17/18 / #20180139074

Handover method and control transfer method

A handover method and a control transfer method are provided. A handover method of performing an inter-cell handover between a first ground station and a second ground station may include setting a first channel to the second ground station, measuring, by an airborne radio station, a second channel and reporting a measurement result to the first ground station, sending, by the first ground station, a handover request to at least one of a ground control station (gcs) or a control and non-payload communication (cnpc) network, determining, by the at least one of the gcs or the cnpc network, whether to perform a handover, and transmitting, by the at least one of the gcs or the cnpc network, a handover instruction to the airborne radio station based on a result of the determining.. ... Electronics And Telecommunications Research Institute

05/17/18 / #20180138995

Apparatus and method for measuring broadband passive intermodulation distortion signal

Disclosed herein are an apparatus and method for measuring a broadband passive intermodulation distortion (pimd) signal. The apparatus for measuring a broadband pimd signal includes a radio frequency (rf) processing unit for combining one or more transmission signals into a single output signal and transmitting the output signal to a feeder so as to measure a pimd signal and for generating a beat frequency signal using the pimd signal received from the feeder, and a digital processing unit for transferring a control signal required so as to control the rf processing unit, receiving the beat frequency signal, and then measuring a location of a passive element in the feeder in which the pimd signal has been generated by performing digital signal processing on the beat frequency signal.. ... Electronics And Telecommunications Research Institute

05/17/18 / #20180138924

Scheduling method of a parity check matrix and an ldpc decoder for performing scheduling of a parity check matrix

Provided is a method of scheduling a parity check matrix, the method performed by a low-density parity-check (ldpc) decoder, the method including checking at least one non-zero elemental variable node in the parity check matrix, identifying a first index of a row of the parity check matrix in the at least one non-zero elemental variable node, extracting a column in which the at least one non-zero elemental variable node is positionable from the parity check matrix using the first index, and mapping the at least one non-zero elemental variable node to the extracted column based on an arrangement, and identifying a second index of the column of the parity check matrix through the mapped at least one non-zero elemental variable node.. . ... Electronics And Telecommunications Research Institute

05/17/18 / #20180138882

Microphone driving device and digital microphone including the same

The present disclosure relates to a microphone driving device and a digital microphone including the same. A microphone driving device according to an embodiment of the inventive concept includes a voltage-to-current converter, a current-to-voltage converter, an analog-to-digital converter, a digital amplification unit, and a gain controller. ... Electronics And Telecommunications Research Institute

05/17/18 / #20180138571

Tunable low-pass filter using dual mode

Disclosed is a tunable low-pass filter using a dual mode including a cylindrical cavity configured to trigger a resonant mode, a plurality of irises formed on a lateral face of the cylindrical cavity, and a dummy iris formed on the lateral face of the cylindrical cavity, wherein the resonant mode includes a plurality of modes having a plurality of resonant frequencies, and differences in resonance frequency between the plurality of modes are determined based on angles between the plurality of irises based on an axis of the cylindrical cavity.. . ... Electronics And Telecommunications Research Institute

05/17/18 / #20180137631

Method and apparatus for determining displacement information of target area and method and apparatus for determining atmosphere information using the same

Disclosed are a method and an apparatus for determining displacement information of a target area by using information that is present in an image frame. The method of determining displacement information according to an embodiment of the present disclosure may include: setting a target area in which an object that displacement information determination thereof is required is positioned within a target frame; determining a tracking area in a tracking frame based on displacement information of at least one neighboring target area that is positioned around the target area; and determining a matching area that matches with the target area in the tracking area and determining the displacement information of the target area.. ... Electronics And Telecommunications Research Institute

05/17/18 / #20180137579

Method for optimizing crop production efficiency and apparatus for the same

An apparatus and method for optimizing crop production efficiency. The method includes collecting growth information of each farm, acquiring at least one supply resource variable by comparing the collected growth information with a preset reference model, training influence of the at least one supply resource variable on production efficiency, and building an analysis model which shows production efficiency according to the at least one supply resource variable as a result of the training. ... Electronics And Telecommunications Research Institute

05/17/18 / #20180136536

Optoelectronic element

Provided is an optoelectronic element including a first substrate, a first electrode on the first substrate, a first lens pattern disposed on the first electrode and including a liquid crystal and a black dye molecule, a second lens pattern disposed on the first lens pattern, and a second electrode on the second lens pattern, wherein the black dye molecule includes about 1 to 4 azo groups and about 2 to 5 aromatic cyclic compounds.. . ... Electronics And Telecommunications Research Institute

05/17/18 / #20180136507

Liquid crystal device, methods for manufacturing a liquid crystal device, and methods for operating a liquid crystal device

Provided are a liquid crystal device, a method for manufacturing a liquid crystal device, and a method for operating a liquid crystal device. According to the inventive concept, a method for manufacturing a liquid crystal device includes preparing a precursor solution including a monomer, liquid crystal molecules, a first dye, a second dye, and a third dye, and performing a polymerization process of the precursor solution to form a liquid crystal layer. ... Electronics And Telecommunications Research Institute

05/17/18 / #20180136419

Multi-channel receiver optical sub-assembly and manufacturing method thereof

Provided herein are a multi-channel receiver optical sub-assembly and a manufacturing method thereof. The multi-channel receiver optical sub-assembly includes a plc chip having a first side into which an optical signal is received and a second side from which the received signal is outputted, with an inclined surface formed on the second side of the plc chip at a preset angle, a pd carrier bonded onto the plc chip and made of a glass material, and an si-pd bonded onto the pd carrier, a lens being integrated therein. ... Electronics And Telecommunications Research Institute

05/17/18 / #20180136397

Apparatus and method for providing terahertz waves

An apparatus providing a terahertz (thz) wave may comprise at least one thz wave generator each of which generates a thz wave; at least one first phase adjuster adjusting a phase of the generated thz wave; at least one waveguide part receiving and combining the at least one phase-adjusted thz wave radiated from the at least one first phase adjuster, and guiding the combined thz wave; at least one second phase adjuster adjusting a phase of the combined thz wave from the at least one waveguide part, which is connected to the at least one waveguide part or disposed in a portion of the at least one waveguide part; and an output module outputting the thz wave guided from the at least one waveguide part.. . ... Electronics And Telecommunications Research Institute

05/10/18 / #20180132284

Method and apparatus for transmitting/receiving downlink data for terminal in idle state

A method and an apparatus for transmitting/receiving downlink data for a terminal in an idle state. The terminal receives a paging message from a base station and obtains a random access (ra) preamble index corresponding to an identifier of the terminal from the paging message. ... Electronics And Telecommunications Research Institute

05/10/18 / #20180132283

Method and apparatus for receiving uplink signal in train communication network

A method and a terrestrial base station for receiving an uplink signal. The terrestrial base station is configured to: receive a preamble corresponding to an orthogonal pseudo-noise (pn) sequence of a plurality of the orthogonal pn sequences from an onboard base station in a train; recognize identification (id) of the onboard base station from the preamble, and allocate a temporary network id and an uplink grant (ul grant) to the onboard base station; and receive the uplink signal transmitted based on the temporary network id and the ul grant.. ... Electronics And Telecommunications Research Institute

05/10/18 / #20180132271

Scheduling method for communication network supporting unlicensed band

A scheduling method for a communication network supporting an unlicensed band is disclosed. An operation method of ue comprises the steps of: receiving, from a base station, an unlicensed band burst including a plurality of subframes in an unlicensed band; acquiring control information from the unlicensed band burst; and acquiring data from the unlicensed band burst on the basis of the control information. ... Electronics And Telecommunications Research Institute

05/10/18 / #20180132247

Apparatus and method for transmitting and receiving data using multi-path in wireless communication system of distributed mac

Provided is an apparatus and method for transmitting and receiving data using multiple paths in a wireless communication system using a distributed media access control (mac). More particularly, provided is an apparatus and method for transmitting and receiving data that may select a path with a better channel status from multiple paths that include a direct path using a line of sight (los) and a relay path passing through a relay apparatus, in a wireless communication system that may transmit data via the los using a distributed mac and a directional antenna.. ... Electronics And Telecommunications Research Institute

05/10/18 / #20180131974

Method and system for supporting random access of mpeg data

Provided is a method of supporting a random access of mpeg data, the method including: obtaining at least one access unit including media data coded through processing including an encapsulation and a packetization; generating at least one media processing unit (mpu) by grouping at least one access unit; determining an initialization flag indicating whether the at least one access unit includes all of data required for initialization of a decoding process, in the at least one mpu; and inserting the initialization flag into a header of the at least one mpu.. . ... Electronics And Telecommunications Research Institute

05/10/18 / #20180131946

Convolution neural network system and method for compressing synapse data of convolution neural network

Provided is a convolution neural network system including an image database configured to store first image data, a machine learning device configured to receive the first image data from the image database and generate synapse data of a convolution neural network including a plurality of layers for image identification based on the first image data, a synapse data compressor configured to compress the synapse data based on sparsity of the synapse data, and an image identification device configured to store the compressed synapse data and perform image identification on second image data without decompression of the compressed synapse data.. . ... Electronics And Telecommunications Research Institute

05/10/18 / #20180131725

Method and apparatus for mobile terminal management supporting security policy

Disclosed is a method and apparatus for mobile terminal management supporting security policy. An exemplary embodiment of the present invention provides a terminal management method for installing a mobile device management (mdm) function in which a server supports a security policy for a binary mobile application, including: adding, by the server, an mdm interlocking code for each class-method unit of an original application of the binary mobile application; modifying, by the server, the original application into a modification application; and generating and transmitting, by the server, an mdm policy including at least one mdm function to be applied to the modification application to a mobile terminal.. ... Electronics And Telecommunications Research Institute

05/10/18 / #20180131717

Apparatus and method for detecting distributed reflection denial of service attack

Disclosed herein are an apparatus and method for detecting a distributed reflection denial of service (drdos) attack. The drdos attack detection apparatus includes a network flow data reception unit for receiving network flow data from network equipment, a session type determination unit for determining a session type of the received network flow data, a host type determination unit for determining a type of host corresponding to the network flow data based on the session type, an attack method determination unit for determining an attack method corresponding to the network flow data, a protocol identification unit for identifying a protocol of the network flow data, and an attack detection unit for detecting a drdos attack based on the session type, the host type, the attack method, and the protocol.. ... Electronics And Telecommunications Research Institute

05/10/18 / #20180131600

Method and apparatus for setting detour path in wideband high frequency wireless system using centralized mac protocol

Provided is a method and apparatus for setting a detour path in a wideband high frequency wireless system using a centralized media access control (mac) protocol. Here, in a wireless system using the centralized mac protocol where a time synchronization and a band allocation may be performed by a single central control unit, when a signal blockage occurs while a data communication is being performed via a direct path between a source device and a destination device, the detour path may be quickly provided.. ... Electronics And Telecommunications Research Institute

05/10/18 / #20180131488

Method for transmitting and receiving reference signal

A method of transmitting reference signals is provided by a transmitting apparatus in a wireless communication system. The transmitting apparatus transmits a first reference signal in a first time region of a resource block included in transmission duration. ... Electronics And Telecommunications Research Institute

05/10/18 / #20180131436

Apparatus and method for monitoring status of terminal

A terminal status monitoring apparatus connected to a terminal at an optical subscriber side in an optical network is provided. A signal transferring unit transfers a downlink optical signal to the terminal and receives, as a reflected optical signal, the downlink optical signal which is reflected at the terminal. ... Electronics And Telecommunications Research Institute

05/10/18 / #20180131219

Wireless charging apparatus and method

Disclosed is a wireless charging apparatus and method, the apparatus including a controller configured to control the wireless charging apparatus, and a transmitter configured to form a rotating magnetic field in a three-dimensional (3d) space in response to a first clock signal and a second clock signal generated under a control of the controller, wherein a phase difference between the first clock signal and the second clock signal is 90 degrees.. . ... Electronics And Telecommunications Research Institute

05/10/18 / #20180130599

Wireless power transmission device for transmitting power using magnetic field and electric field, and wireless power receiving device for receiving power from the wireless power transmission device

Provided are a wireless power transmission device for transmitting power to a wireless power receiving device and the wireless power receiving device for receiving the power from the wireless power transmission device. The wireless power transmission device includes a first coil provided in a first direction; a second coil provided in a second direction that is perpendicular to the first direction, and connected to both ends of the first coil; and a voltage source configured to supply voltage to the first coil and the second coil. ... Electronics And Telecommunications Research Institute

05/10/18 / #20180130444

Information image display apparatus and method

An information image display apparatus includes an illuminance sensor sensing illuminance of incident light; a processor for determining a transmittance of a polarizer according to the illuminance sensed by the illuminance sensor, outputting a control signal according to the sensed illuminance, analyzing an entire or partial area of a foreground image of external environment to determine a dominant color of the entire or partial area, and displaying an information image using a color contrasted with dominant color; and a polarizer for selectively transmitting the incident light by adjusting a degree of polarization according to the control signal input from the processor.. . ... Electronics And Telecommunications Research Institute

05/10/18 / #20180130185

Apparatus and method of removing noise from sparse depth map

Provided is a method of removing noise from a sparse depth map. The method includes setting, as nodes, sample points in a sparse depth map including depth information at a certain position of an image plane, constructing a mesh by connecting the set nodes, and removing noise from the meshed node, based on connection information between the meshed node and neighboring nodes adjacent thereto and color information about a color image corresponding to the sparse depth map. ... Electronics And Telecommunications Research Institute

05/10/18 / #20180129935

Convolutional neural network system and operation method thereof

Provided is a convolutional neural network system including a data selector configured to output an input value corresponding to a position of a sparse weight from among input values of input data on a basis of a sparse index indicating the position of a nonzero value in a sparse weight kernel, and a multiply-accumulate (mac) computator configured to perform a convolution computation on the input value output from the data selector by using the sparse weight kernel.. . ... Electronics And Telecommunications Research Institute








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