Real Time Touch



new TOP 200 Companies filing patents this week

new Companies with the Most Patent Filings (2010+)




Real Time Touch

Peking University Shenzhen Graduate School patents


Recent patent applications related to Peking University Shenzhen Graduate School. Peking University Shenzhen Graduate School is listed as an Agent/Assignee. Note: Peking University Shenzhen Graduate School may have other listings under different names/spellings. We're not affiliated with Peking University Shenzhen Graduate School, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "P" | Peking University Shenzhen Graduate School-related inventors


Image representation method and processing device based on local pca whitening

An image representation method and processing device based on local pca whitening. A first mapping module maps words and characteristics to a high-dimension space. ... Peking University Shenzhen Graduate School

Method and device for super-resolution image reconstruction based on dictionary matching

The present application provides a method and a device for super-resolution image reconstruction based on dictionary matching. The method includes: establishing a matching dictionary library; inputting an image to be reconstructed into a multi-layer linear filter network; extracting a local characteristic of the image to be reconstructed; searching the matching dictionary library for a local characteristic of a low-resolution image block having the highest similarity with the local characteristic of the image to be reconstructed; searching the matching dictionary library for a residual of a combined sample where the local characteristic of the low-resolution image block with the highest similarity is located; performing interpolation amplification on the local characteristic of the low-resolution image block having the highest similarity; and adding the residual to a result of the interpolation amplification to obtain a reconstructed high-resolution image block. ... Peking University Shenzhen Graduate School

Low-illumination image processing method and device

A low-illumination image processing method and device address the problem of noise amplification in existing contrast enhancement techniques when applied to original low-illumination image. A noise suppression filter is additionally arranged before an operation of contrast enhancement, and smoothing processing is performed on an inverse color image of a low-illumination image by adopting a first filtering coefficient and a second filtering coefficient, so that image contrast is enhanced while random noise is suppressed. ... Peking University Shenzhen Graduate School

Method for carrying out anaerobic digestion by using heavy metal ions-rich biomass waste materials

Provided is a method for performing anaerobic digestion by utilizing a heavy metal ion enriched biomass waste material, comprising: putting a biochar made from the raw materials such as garden rubbish and agricultural and forestry waste, or a plant for adsorbing heavy metal ions in waste water containing heavy metal ions, and obtaining a heavy metal saturated biochar or a heavy metal super-enriched plant; and then adding in a kitchen waste anaerobic digestion methane generation system at a certain ratio. The heavy metal ions adsorbed in the plant or the biochar are utilized as a basic component of an anaerobic reaction enzyme to promote the growth of methane bacteria, activate the activity of the enzyme, shorten the time of a hydrolysis acidification stage, reduce vfa accumulation, and accelerate the generation of energy products such as methane and the like.. ... Peking University Shenzhen Graduate School

Method and system for video frame interpolation based on optical flow method

A method and system for video frame interpolation based on an optical flow method is disclosed. The process includes calculating bidirectional motion vectors between two adjacent frames in a frame sequence of input video by using the optical flow method, judging reliabilities of the bidirectional motion vectors between the two adjacent frames, and processing a jagged problem and a noise problem in the optical flow method; marking “shielding” and “exposure” regions in the two adjacent frames, and updating an unreliable motion vector; with regard to the two adjacent frames, according to marking information about the “shielding” and “exposure” regions and the bidirectional motion vector field, mapping front and back frames to an interpolated frame to obtain a forward interpolated frame and a backward interpolated frame; synthesizing the forward interpolated frame and the backward interpolated frame into the interpolated frame; repairing a hole point in the interpolated frame to obtain a final interpolated frame. ... Peking University Shenzhen Graduate School

A method and a device for extracting local features of a three-dimensional point cloud

A method and a device for extracting local features of a 3d point cloud are disclosed. Angle information and the concavo-convex information about a feature point to be extracted and a point of an adjacent body element are calculated based on a local reference system corresponding to the points of each body element. ... Peking University Shenzhen Graduate School

Shift register, unit thereof, and display device

The present application discloses a shift register and units thereof, wherein low voltage level maintaining module (30) includes: a first maintaining unit (31) and a second maintaining unit (32), configured to maintain a signal output terminal and/or the controlling terminal (q) of the driving module (20) at low voltage level when an effective level is received. A threshold voltage sensing module (40) is coupled between the first maintaining unit (31) and the second maintaining unit (32), the threshold voltage sensing module (40) is configured to control its signal output terminal to provide an effective level to the second maintain-enabling terminal (p2) according to threshold voltage shift of the first maintaining unit (31) sensed. ... Peking University Shenzhen Graduate School

Photoelectric sensor and display panel

A photoelectric sensor and a display panel comprise: a pulse transmission unit comprising a control node, after obtaining a driving voltage, the control node of the pulse transmission unit transmitting first clock signals to a signal output terminal; a pulse control unit configured to receive scanning signals from a signal input terminal and charging the control node of the pulse transmission unit so as to provide the driving voltage; and photoelectric sensing unit configured to provide a leakage current in response to the intensity of external illumination when receiving the external illumination, the leakage current discharging the control node of the pulse transmission unit, so that the voltage at the control node of the pulse transmission unit is less than the driving voltage after a period of time. The circuit of the photoelectric sensor utilizes the existing scanning signals and clock signals of a conventional display panel, with no need for an extra control signal, and therefore the circuit is simple in structure, and more suitable for being integrated on the display panel.. ... Peking University Shenzhen Graduate School

Method and system for image de-blurring

A method for image de-blurring includes estimating an intermediate image l by marking and constraining an edge region and a smooth region in an input image; estimating a blur kernel k by extracting salient edges from the intermediate image l, wherein the salient edges have scales greater than those of the blur kernel k; and restoring the input image to a clear image by performing non-blind deconvolution on the input image and the estimated blur kernel k. Imposing constraints on the edge region and the smooth region allows the intermediate image to maintain the edge while effectively removing noise and ringing artifacts in the smooth region. ... Peking University Shenzhen Graduate School

Gate driving circuit, unit thereof, and display device

The present application provides a gate driver circuit comprising at least one cascaded gate driver circuit unit. The low-level-holding enabling terminal of the gate driver circuit unit is connected to an adaptive voltage generating module. ... Peking University Shenzhen Graduate School

Pixel circuit, driving method therefor, and display device

Provided is a pixel circuit. The pixel circuit comprises a driving transistor and a light-emitting element both coupled in series between a first level end and a second level end, and comprises a second transistor, a third transistor, a fourth transistor, a first capacitor and a second capacitor. ... Peking University Shenzhen Graduate School

Low-voltage digital-to-analog signal conversion circuit, data driving circuit, and display system

The present application discloses a low-voltage digital to analog conversion circuit, a data driving circuit and a display system. At least one voltage dividing unit comprises a number of resistors connected in series between a lower limit of voltage and an upper limit of voltage, and voltage dividing output terminals drawn from the resistors' connection nodes and an upper limit of voltage connection end. ... Peking University Shenzhen Graduate School

A method and a module for self-adaptive motion estimation

A self-adaptive motion estimation module includes a macro block division unit, a macro block selection unit, a motion intensity judgment unit, and a motion estimation unit. A video frame to be encoded is divided into macro blocks by the macro block division unit. ... Peking University Shenzhen Graduate School

Planar electroluminescent devices and uses thereof

The present invention provides a planar electroluminescence (el) device comprising a substrate layer, an electrode layer, a light emitting layer, and a modulating layer, wherein the electrode layer comprises a plurality of electrodes arranged on a same level over the substrate layer, and there is no contact between adjacent electrodes. In one embodiment, the device further comprises a hole injection layer (hil), a hole transport layer (htl), an electron injection layer (eil) and an electrode transport layer (etl). ... Peking University Shenzhen Graduate School

03/01/18 / #20180061068

Depth/disparity map post-processing method and device

A method and a device for post-processing depth/disparity maps adopt a strategy of combining edge information and segmentation information when detecting irregular edge regions. The method includes dividing a color image into super pixels when performing image segmentation on a color image; partitioning a grayscale range into a preset number of intervals, and for each super pixel, statistically obtaining a histogram of all the pixel points that fall within the intervals; determining, in a current super pixel, whether a ratio of the number of pixels contained in the interval having a maximum interval distribution value, to the total number of pixels in the current super pixel is less than the first threshold; and if so, further dividing the current super pixel using a color-based segmentation method. ... Peking University Shenzhen Graduate School

02/01/18 / #20180033365

Display device and pixel circuit thereof

A display device and a pixel circuit thereof. The pixel circuit generates threshold voltage information of a driving transistor (21) in a source following manner, a threshold voltage of the driving transistor (21) and a reference voltage related to gray scale information are generated at two ends of a first capacitor (26) by means of voltage division of the first capacitor (26) and a second capacitor (27), and the reference voltage keeps unchanged during a light-emitting process, so that a driving current flowing through a light-emitting device (25) is irrelevant to threshold voltages of the driving transistor (21) and the light-emitting device (25), thereby compensating the threshold voltage deviation of the driving transistor (21) and the light-emitting device (25), and solving the problem of nonuniform display. ... Peking University Shenzhen Graduate School

09/21/17 / #20170270862

Pixel circuit and drive method therefor, and display device

A pixel circuit, a drive method based on the pixel circuit, and a display device. The pixel circuit comprises: a first capacitor (c1), a second capacitor (c2), a second transistor (t2), a third transistor (t3) and a light-emitting branch for being coupled between a first common electrode (vdd) and a second common electrode (vss); wherein the light-emitting branch comprises a first transistor (t1), a fourth transistor (t4) and a light-emitting element (oled) which are connected in series; a first electrode of the first transistor (t1) is coupled to a second electrode of the fourth transistor (t4), and a coupling node is a third node (c); and a control electrode of the fourth transistor (t4) is used for inputting a second scanning control signal (vem), and the fourth transistor (t4) switches the on/off state of the light-emitting branch in response to the second scanning control signal (vem). ... Peking University Shenzhen Graduate School

08/10/17 / #20170230290

Multi-domain centralized content-centric networking

A multi-domain centralized content-centric networking (mccn), including: a management layer; a control layer; and a data layer. The management layer communicates with the data layer through the control layer. ... Peking University Shenzhen Graduate School

07/27/17 / #20170213500

Controllable voltage source, shift register and unit thereof, and display

A controllable voltage source, comprising a control module (1), a storage module (2) and an output module (3); the control module (1) is coupled between a high level end and a low level end; the storage module (2) comprises a storage capacitor; two ends of the storage capacitor are respectively coupled to the control module (1) to form a first terminal and a second terminal; the output module (3) is coupled to the second terminal, and the signal output end thereof is used to output to an external circuit the voltage signal of the controllable voltage source; the control module (1) responds the effective level of a first clock signal so as to enable the first terminal to be coupled to the high level end, and the first terminal is charged from the high level end; the control module (1) responds the effective level of a second clock signal so as to enable the second terminal to be coupled to the high level end, and the second terminal is charged from the high level end; and the first terminal is coupled to the low level end and discharges via the low level end. The effective level of the first clock signal does not overlap with the effective level of the second clock signal. ... Peking University Shenzhen Graduate School

07/13/17 / #20170200258

Super-resolution image reconstruction method and apparatus based on classified dictionary database

A super-resolution image reconstruction apparatus based on a classified dictionary database. The apparatus can select, from a training image, a first local block and a corresponding second down-sampled local block, extract corresponding features and combine the features into a dictionary group, and perform classification and pre-training on multiple dictionary groups by using calculated values of an lbs and an ses as classification marks, so as to obtain a classified dictionary database of multiple dictionary groups with classification marks. ... Peking University Shenzhen Graduate School

07/06/17 / #20170193635

Method and apparatus for rapidly reconstructing super-resolution image

A method and apparatus for rapidly reconstructing a super-resolution image. In the method and apparatus for rapidly reconstructing a super-resolution image provided in the present application, an original image is processed at least by means of iterative backward mapping based on a texture structural constraint during reconstruction of a super-resolution image of the original image, so as to enhance texture details of the image, thereby improving the high-frequency detail quality of the super-resolution image.. ... Peking University Shenzhen Graduate School

04/06/17 / #20170097650

Adaptive voltage source, shift register and unit thereof, and display

An adaptive voltage source, comprising a signal output end, and a reference resistance forming circuit and a sensing module connected in series between a voltage source and a low power level; the sensing module comprises a sensing end coupled to a transistor to be sensed to sense the threshold voltage drift of the transistor to be sensed in a device circuit; the equivalent resistance of the sensing module increases with the increase of the sensed threshold voltage drift; and the signal output end is coupled to a first node coupled to the reference resistance forming circuit and the sensing module, and is used to output adaptive voltage. The output adaptive voltage is adjusted via the threshold voltage drift sensed by the sensing module. ... Peking University Shenzhen Graduate School

03/16/17 / #20170074722

Ultraviolet light sensing circuit and sensing system

An ultraviolet light sensing circuit and sensing system. The ultraviolet light sensing circuit comprises a modulation unit and a phase delay unit, wherein the modulation unit comprises a first stage of inverter which is used for sensing ultraviolet light and is used as a voltage feedback modulation stage; and the phase delay unit comprises n stages of inverters which are connected in sequence, where n is an even number which is greater than or equal to 2. ... Peking University Shenzhen Graduate School








ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009



###

This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. Freshpatents.com is not affiliated or associated with Peking University Shenzhen Graduate School in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Peking University Shenzhen Graduate School with additional patents listed. Browse our Agent directory for other possible listings. Page by FreshPatents.com

###