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Digimarc Corporation patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "D" | Digimarc Corporation-related inventors


Signal detection, recognition and tracking with feature vector transforms

A method for obtaining object surface topology in which image frames of a scene (e.g., video frames from a user passing a smartphone camera over an object) are transformed into dense feature vectors, and feature vectors are correlated to obtain high precision depth maps. Six dimensional pose is determined from the video sequence, and then used to register patches of pixels from the frames. ... Digimarc Corporation

Smartphone-based methods and systems

Arrangements involving portable devices (e.g., smartphones and tablet computers) are disclosed. One arrangement enables a content creator to select software with which that creator's content should be rendered—assuring continuity between artistic intention and delivery. ... Digimarc Corporation

Imagery and annotations

A decade from now, a visit to the supermarket will be a very different experience than the familiar experiences of decades past. Product packaging will come alive with interactivity—each object a portal into a rich tapestry of experiences, with contributions authored by the product brand, by the store selling the product, and by other shoppers. ... Digimarc Corporation

Hardware-adaptable watermark systems

There are many advantages to implementing a watermark-based system using dedicated hardware, rather than using software executing on a general purpose processor. These include higher speed and lower power consumption. ... Digimarc Corporation

Optimizing optical scanners for digital watermark detection

The present disclosure relates generally to digital watermarking for retail product packaging. A digital watermark can be carried in different color channels, and at with different signal polarities. ... Digimarc Corporation

Methods for estimating watermark signal strength, an embedding process using the same, and related arrangements

The present disclosure relates to advanced signal processing including signal embedding, digital watermarking and steganography. One method includes: obtaining image data representing imagery; using one or more multi-core processors, embedding a machine-readable signal into the image data, thereby generating transformed image data; obtaining substrate data, the substrate data associated with a substrate upon which the transformed image data is to be printed upon; obtaining printer data, the printer data associated with a printer that is anticipated to print the transformed image data upon the substrate; processing the transformed image data with reference to the substrate data and the printer data, thereby generating processed, transformed image data; estimating a signal strength of the machine-readable signal embedded within the processed, transformed image data, in which said estimating yields an estimated signal strength; and visually displaying the estimated signal strength spatially relative to the image data. ... Digimarc Corporation

Robust spectral encoding and decoding methods

Spectral encoding methods are more robust when used with improved weak signal detection and synchronizations methods. Further robustness gains are achieved by using informed embedding, error correction and embedding protocols that enable signal to noise enhancements by folding and pre-filtering the received signal.. ... Digimarc Corporation

Context-based smartphone sensor logic

Methods employ sensors in portable devices (e.g., smartphones) both to sense content information (e.g., audio and imagery) and context information. Device processing is desirably dependent on both. ... Digimarc Corporation

Determining pose for use with digital watermarking, fingerprinting and augmented reality

Image recognition and augmented reality experiences utilize auxiliary data extracted from an image or video, or image fingerprints, or a combination of both. One claim recites a method of controlling a device, the device comprising a camera and a display screen. ... Digimarc Corporation

Digital watermarking and data hiding with narrow-band absorption materials

The present disclosure relates to signal processing such as image processing, signal encoding, digital watermarking and data hiding. A sparse or dense digital watermark signal can be conveyed with a narrow-band absorption material corresponding to a center wavelength of a point of sale (pos) barcode scanner. ... Digimarc Corporation

Signal encoding to reduce perceptibility of changes over time

The present disclosures relates generally to digital watermarking and data hiding. One claim recites a smartphone comprising: a camera to capture video of a display that is rendering video, in which the video comprises a first watermark signal embedded in a first portion of the data, a second watermark signal embedded in a second portion of the data, and a third watermark signal embedded in a third portion of the data, in which at least two of the first watermark signal, second watermark signal and third watermark signal are inversely related to one another; electronic memory for buffering data representing captured video; one or more electronic processors programmed for: applying a first perspective distortion to the data representing the captured video to yield first perspective distorted video; and analyzing the first perspective distorted video to detect digital watermarking, in which a second perspective distortion is applied to the data representing the captured video to yield second perspective distorted video when the analyzing does not detect digital watermarking, and then performing analyzing the second perspective distorted video to detect digital watermarking. ... Digimarc Corporation

Geometric enumerated watermark embedding for colors and inks

The present disclosure relate generally to digital watermarking and signal encoding. Various colors can be evaluated and modified to carry an encoded or auxiliary signal.. ... Digimarc Corporation

Detecting conflicts between multiple different signals within imagery

This disclosure relates to advanced signal processing technology including signal encoding. One combination disclosed in the description is an image processing method comprising: accessing a design file to obtain image data, the image data comprising a plurality of color separations or channels, in which the image data comprises at least a 1d or 2d barcode represented therein and a first encoded signal encoded therein, the 1d or 2d barcode comprising a first plural-bit code and the first encoded signal comprising a second plural-bit code; operating a barcode reader to analyze the image data to decode the 1d or 2d barcode to obtain the first plural-bit code; operating a signal decoder to analyze one or more combinations of color separations or channels of the plurality of color separations or channels to decode the first encoded signal to obtain the second plural-bit code; determining whether the second plural-bit code conflicts with the first plural-bit code; and identifying a conflict based on said act of determining. ... Digimarc Corporation

Authenticating identification and security documents and other objects

The application discloses apparatus and systems for authenticating physical object, identification documents and security documents. Some such methods and apparatus involve signal encoding or digital watermarking.. ... Digimarc Corporation

05/03/18 / #20180122035

Full-color visibility model using csf which varies spatially with local luminance

The present disclosure relate generally to image signal processing, color science and signal encoding. Signal encoding can be applied to color image data through use of a luminance contrast sensitivity function and a chrominance contrast sensitive function. ... Digimarc Corporation

02/15/18 / #20180047127

Signal encoding for difficult environments

This disclosure relates to advanced image signal processing technology including encoded signals and digital watermarking. We disclose methods, systems and apparatus for selecting which ink(s) should be selected to carry an encoded signal for a given machine-vision wavelength for a retail package or other printed design. ... Digimarc Corporation

02/15/18 / #20180047126

Signal encoding for difficult environments

This disclosure relates to advanced image signal processing technology including encoded signals and digital watermarking. We disclose methods, systems and apparatus for selecting which ink(s) should be selected to carry an encoded signal for a given machine-vision wavelength for a package design. ... Digimarc Corporation

02/15/18 / #20180047125

Differential modulation for robust signaling and synchronization

Differential modulation schemes encode a data channel within host signal or noisy environment in a manner that is robust, flexible to achieve perceptual quality constraints, and provides improved data capacity. Differential arrangements enable a decoder to suppress host signal or other background signal interference when detecting, synchronizing and extracting an encoded data channel. ... Digimarc Corporation

02/08/18 / #20180039805

Coordinated illumination and image signal capture for enhanced signal detection

Signal detection and recognition employees coordinated illumination and capture of images under to facilitate extraction of a signal of interest. Pulsed illumination of different colors facilitates extraction of signals from color channels, as well as improved signal to noise ratio by combining signals of different color channels. ... Digimarc Corporation

01/04/18 / #20180005343

Image-based pose determination

A steganographic digital watermark signal is decoded from host imagery without requiring a domain transformation for signal synchronization, thereby speeding and simplifying the decoding operation. In time-limited applications, such as in supermarket point-of-sale scanners that attempt watermark decode operations on dozens of video frames every second, the speed improvement allows a greater percentage of each image frame to be analyzed for watermark data. ... Digimarc Corporation

01/04/18 / #20180005341

Signal decoding methods, apparatus and systems

The present invention relate generally to signal encoding and decoding. One claim recites a method comprising: obtaining color image data or color video data, the color image data or color video data comprising an encoded signal pattern, the encoded signal pattern aiding detection of an encoded message, the pattern comprising first frequency components and second frequency components, the color image data or color video data comprising first color data and second color data, in which the first color data comprises the first frequency components encoded therein, and the second color data comprises the second frequency components encoded therein; combining the first color data and the second color data, said combining yielding combined color data; utilizing one or more processors or electronic processing circuitry, detecting the encoded signal pattern from the combined color data, said detecting yielding rotation and scale information; and using the rotation and scale information to detect the encoded message from the combined color data. ... Digimarc Corporation

11/30/17 / #20170345126

Signal processors and methods for estimating transformations between signals with phase deviation

A phase deviation method determines an offset between a reference and suspect signal by analyzing a phase deviation surface created by computing a deviation metric for phase shift and then analyzing a surface formed from the deviation metrics for an array of offsets. The phase deviation method analyzes the deviation surface to determine an offset that minimizes phase deviation. ... Digimarc Corporation

11/23/17 / #20170339302

Information coding and decoding in spectral differences

Information is encoded in an image signal by exploiting spectral differences between colors that appear the same when rendered. These spectral differences are detected using image sensing that discerns the spectral differences. ... Digimarc Corporation

11/16/17 / #20170332126

Media processing methods and arrangements

The present technology concerns cell phones and other portable devices, and more particularly concerns use of such devices in connection with media content (electronic and physical) and with other systems (e.g., televisions, digital video recorders, and electronic program directories). Some aspects of the technology allow users to easily transfer displayed content from cell phone screens onto a television screens for easier viewing, or vice versa for content portability. ... Digimarc Corporation

11/16/17 / #20170331976

Spot color substitution for encoded signals

The present disclosure relates generally to encoding signals for spot colors. In one implementation a substitute spot color+cmy tint is selected to replace an original spot color. ... Digimarc Corporation

10/05/17 / #20170289341

Intuitive computing methods and systems

A smart phone senses audio, imagery, and/or other stimulus from a user's environment, and acts autonomously to fulfill inferred or anticipated user desires. In one aspect, the detailed technology concerns phone-based cognition of a scene viewed by the phone's camera. ... Digimarc Corporation

09/07/17 / #20170257474

Intuitive computing methods and systems

A smart phone senses audio, imagery, and/or other stimulus from a user's environment, and acts autonomously to fulfill inferred or anticipated user desires. In one aspect, the detailed technology concerns phone-based cognition of a scene viewed by the phone's camera. ... Digimarc Corporation

08/31/17 / #20170249540

Machine-readable glass

In one embodiment, a sidewalk-facing display window of a retail store is treated to scatter (or absorb) a portion of incident light, in a narrow wavelength spectral band. A machine-readable pattern, which encodes an identifier, is projected onto the treated window from outside the store. ... Digimarc Corporation

08/31/17 / #20170249491

Methods and arrangements for identifying objects

In some arrangements, product packaging is digitally watermarked over most of its extent to facilitate high-throughput item identification at retail checkouts. Imagery captured by conventional or plenoptic cameras can be processed (e.g., by gpus) to derive several different perspective-transformed views—further minimizing the need to manually reposition items for identification. ... Digimarc Corporation

08/24/17 / #20170243584

Context-based smartphone sensor logic

Methods employ sensors in portable devices (e.g., smartphones) both to sense content information (e.g., audio and imagery) and context information. Device processing is desirably dependent on both. ... Digimarc Corporation

08/24/17 / #20170243318

Salient point-based arrangements

A variety of methods and systems involving sensor-equipped portable devices, such as smartphones and tablet computers, are described. One particular embodiment decodes a digital watermark from imagery captured by the device and, by reference to watermark payload data, obtains salient point data corresponding to an object depicted in the imagery. ... Digimarc Corporation

08/24/17 / #20170243317

Learning systems and methods

A sequence of images depicting an object is captured, e.g., by a camera at a point-of-sale terminal in a retail store. The object is identified, such as by a barcode or watermark that is detected from one or more of the images. ... Digimarc Corporation

08/24/17 / #20170243246

Content rendering system dependent on previous ambient audio

Users' browsing histories and other online activities are commonly tracked using cookies, and employed to customize users' web experiences. In accordance with certain aspects of the present technology, microphones, cameras, and other sensors of portable computing apparatuses are employed to gather information about users' offline experiences. ... Digimarc Corporation

08/17/17 / #20170236407

Methods and systems for content processing

Mobile phones and other portable devices are equipped with a variety of technologies by which existing functionality can be improved, and new functionality can be provided. Some aspects relate to visual search capabilities, and determining appropriate actions responsive to different image inputs. ... Digimarc Corporation

08/17/17 / #20170236239

Full color visibility model using csf which varies spatially with local luminance

The present disclosure relate generally to image signal processing, color science and signal encoding. Digital watermarking can be applied to color image data through use of a luminance contrast sensitivity function and a chrominance contrast sensitive function. ... Digimarc Corporation

08/17/17 / #20170236037

Methods for object recognition and related arrangements

Methods and arrangements involving portable user devices such smartphones and wearable electronic devices are disclosed, as well as other devices and sensors distributed within an ambient environment. Some arrangements enable a user to perform an object recognition process in a computationally- and time-efficient manner. ... Digimarc Corporation

08/17/17 / #20170236006

Smartphone-based methods and systems

Arrangements involving portable devices (e.g., smartphones and tablet computers) are disclosed. One arrangement enables a content creator to select software with which that creator's content should be rendered—assuring continuity between artistic intention and delivery. ... Digimarc Corporation

08/10/17 / #20170230533

Sparse modulation for robust signaling and synchronization

Sparse signal modulation schemes encode a data channel on a substrate in a manner that is robust, flexible to achieve perceptual quality constraints, and provides improved data capacity. The substrate is printed by any of a variety of means to apply the image, with sparse signal, to an object. ... Digimarc Corporation

07/27/17 / #20170215028

Methods and systems for content processing

Mobile phones and other portable devices are equipped with a variety of technologies by which existing functionality can be improved, and new functionality can be provided. Some aspects relate to visual search capabilities, and determining appropriate actions responsive to different image inputs. ... Digimarc Corporation

07/27/17 / #20170214820

Methods and arrangements relating to signal rich art

Art can be infused with network identifiers at the time of its creation, rather than as a post-process. The identifiers may be encoded as overt elements of the art, and enable the artist to reprogram—as over time—an augmentation of the artwork experience via network-delivered components. ... Digimarc Corporation

07/27/17 / #20170213311

Screen watermarking methods and arrangements

In an exemplary embodiment, image content is rendered to include a digital watermark pattern at an essentially fixed scale, regardless of the size of screen on which the content is displayed. In one particular embodiment, css and javascript are responsive to the rendering context (which can include screen size, and/or viewer position) to define the geometry of a watermarked texture block, which is tiled to serve as a background of an html-defined page. ... Digimarc Corporation

07/06/17 / #20170193628

Signal processors and methods for estimating geometric transformations of images for digital data extraction

Signal processing devices and methods estimate a geometric transform of an image signal. From a seed set of transform candidates, a direct least squares method applies a seed transform candidate to a reference signal and then measures correlation between the transformed reference signal and an image signal in which the reference signal is encoded. ... Digimarc Corporation

06/01/17 / #20170156029

Mobile device positioning in dynamic groupings of communication devices

A rf based mobile positioning system determines mobile device positioning by count stamped packets communicated between the mobile device and access points according to a standard wifi protocol. Ad-hoc groups of wifi network nodes are formed and then broken with a mobile device as that mobile devices moves relative to fixed nodes, such as access points. ... Digimarc Corporation

05/11/17 / #20170134784

Media processing methods and arrangements

The present technology concerns cell phones and other portable devices, and more particularly concerns use of such devices in connection with media content (electronic and physical) and with other systems (e.g., televisions, digital video recorders, and electronic program directories). One particular aspect of the technology concerns complementing primary content viewed on one screen (e.g., a television screen) with auxiliary content displayed on a second screen (e.g., a cell phone screen). ... Digimarc Corporation

05/11/17 / #20170133022

Multi-mode audio recognition and auxiliary data encoding and decoding

Audio signal processing enhances audio watermark embedding and detecting processes. Audio signal processes include audio classification and adapting watermark embedding and detecting based on classification. ... Digimarc Corporation

05/11/17 / #20170132743

Methods and systems for signal processing

An object (e.g., a driver's license) is tested for authenticity using imagery captured by a consumer device (e.g., a mobile phone camera). Corresponding data is sent from the consumer device to a remote system, which has secret knowledge about features indicating object authenticity. ... Digimarc Corporation

05/11/17 / #20170132741

Geometric enumerated watermark embedding for spot colors

The present disclosure relate generally to digital watermarking and signal encoding. Various colors can be evaluated and modified to carry an encoded or auxiliary signal.. ... Digimarc Corporation

05/11/17 / #20170131384

Mobile device indoor navigation

An audio playback system receives digitally watermarked audio programming and distributes it to audio speakers in a venue, enabling a variety of location and product dependent services to be delivered to mobile devices in the venue. Mobile devices sense audio from speakers and decode digital identifying information, including characteristics to distinguish audio sources. ... Digimarc Corporation

04/27/17 / #20170118208

Methods and systems for user-association of visual stimuli with corresponding responses

Methods and systems permit a user to decide what different responses are triggered when different visual stimuli are presented to the user's wireless communications device.. . ... Digimarc Corporation

03/30/17 / #20170091892

Feature-based signal localization in digital capture systems

The present disclosures relates generally to image signal processing and encoding signal within imagery. One claim recites a method comprising: obtaining data representing captured imagery, the captured imagery depicting packaging including digital watermarking, the digital watermarking including an orientation signal that is detectable in a transform domain; generating a n-dimensional feature set of the data representing captured imagery, the n-dimensional feature set representing the captured imagery in a spatial domain, where n is an integer great than 13; using a trained classifier to predict the presence of the orientation signal in a transform domain from the feature set in the spatial domain. ... Digimarc Corporation

03/23/17 / #20170085518

Watermarking and signal recognition for managing and sharing captured content, metadata discovery and related arrangements

Content is identified using watermarking and/or other content recognition combined with contextual metadata, which facilitates identification and correlation with other content and metadata when it is posted to a network.. . ... Digimarc Corporation

03/16/17 / #20170078883

Context-related arrangements

In one arrangement, a first device presents a display that is based on context data, derived from one or more of its sensors. This display is imaged by a camera in a second device. ... Digimarc Corporation

03/02/17 / #20170061564

Closed form non-iterative watermark embedding

The present disclosure relates generally digital watermarking and data hiding techniques. One claim recites a method comprising: obtaining data representing imagery; using one or more configured processors, transforming the data into a multi-channel color space; obtaining information indicating an impact of adding a color channel encoded signal to a color direction of the data; determining a color space direction for encoded signal detection; obtaining weighting factors based on the information indicating an impact of adding a color channel encoded signal; weighting the color channel encoded signal with weighting factors to yield a modified color channel encoded signal; using one or more configured processors, embedding the modified color channel encoded signal in the data representing imagery. ... Digimarc Corporation

03/02/17 / #20170061563

Anti-counterfeiting detection using machine readable indicia

This disclosure relates to counterfeit detection and deterrence using advanced signal processing technology including steganographic embedding and digital watermarking. Digital watermark can be used on consumer products, labels, logos, hang tags, stickers and other objects to provide counterfeit detection mechanisms.. ... Digimarc Corporation

02/09/17 / #20170039669

Hierarchical watermark detector

The present invention relates generally to digital watermarking. One aspect of the disclosure includes a method comprising: obtaining data representing imagery; using one or more configured processors, analyzing a plurality of portions of the data to detect a watermark orientation component, said analyzing employing a match filter, in which the match filter yields a correlation value for each of the plurality of portions; determining a first portion from the plurality of portions that comprises a correlation value meeting a predetermined value; and directing a watermark decoder at the first portion to decode a plural-bit watermark payload, in which the watermark decoder produces a watermark signature for the first portion, and in which the watermark decoder searches a plurality of areas at or around the first portion to decode the plural-bit watermark payload. ... Digimarc Corporation

02/02/17 / #20170032213

Histogram methods and systems for object recognition

A multidimensional histogram is used to characterize an image (or object), and is used to identify candidate matches with one or more reference images (or objects). An exemplary implementation employs hue information for two of the dimensions, and a second derivative function based on luminance for a third dimension. ... Digimarc Corporation

01/26/17 / #20170026717

Second screen methods and arrangements

Cell phones and other devices are used to complement enjoyment of television or other video media, through use of corresponding software applications. A great variety of related features and arrangements are particularly detailed.. ... Digimarc Corporation

01/26/17 / #20170024845

Serialized digital watermarking for variable data printing

Digital watermarking is adapted for the variable data printing. A reference signal serves as a proxy for optimizing the embedding a watermark in a host image to be printed. ... Digimarc Corporation

01/26/17 / #20170024844

Digital watermarking methods, apparatus and systems

The present invention relate generally to digital watermarking and data hiding. One claim recites an apparatus comprising: electronic memory for storing first color data and second color data, the first color data and the second color data represent data from a color image signal or color video signal, and a digital watermark signal, the digital watermark signal serving to facilitate detection of a watermark message; means for separating the digital watermark signal into first frequency components and second frequency components; means for modifying the first color data by hiding the first frequency components therein; and means for modifying the second color data by hiding the second frequency components therein. ... Digimarc Corporation

01/26/17 / #20170024840

Sparse modulation for robust signaling and synchronization

The present disclosure relates to advanced image processing and encoded signal processing. One claim currently recites an image processing method comprising the acts: receiving a digital representation of artwork, the artwork having an area of uniform color; generating a two-dimensional data signal that redundantly encodes a plural-bit message, the data signal comprising plural elements, each of which has a single bit value; receiving a two-dimensional synchronization signal comprising plural elements, each of which has a plural-bit value, each element of said data signal having an element of the synchronization signal corresponding thereto; processing the two-dimensional data signal with the two-dimensional synchronization signal and with a gradient function to yield a two-dimensional gradient marking signal; and printing an ink counterpart of the gradient marking signal on a medium with the artwork, said printing comprising printing plural dithered two-dimensional blocks of at least four contiguous elements each, in which one or more elements of each block are printed to be dark. ... Digimarc Corporation

01/26/17 / #20170024723

Methods and arrangements for device to device communication

The disclosure relates, e.g., to image processing technology including device to device communication. One claim recites an apparatus comprising: a camera for capturing imagery; and one or more processors configured for: analyzing a plurality of image frames captured with said camera, the plurality of image frames representing a plurality of graphics displayed on a display screen of a portable device, in which each of the graphics comprises an output from an erasure code generator, in which the erasure code generator produces a plurality of outputs corresponding to a payload; analyzing the plurality of image frames to decode outputs from the plurality of graphics; reconstructing the payload from decoded outputs; and utilizing the payload to carry out an action. ... Digimarc Corporation

01/26/17 / #20170024627

Data hiding for spot colors in product packaging

The present disclosure relates generally to data hiding for retail product packaging and other printed objects. One embodiment embeds an information signal in a spot color for product packaging. ... Digimarc Corporation

01/26/17 / #20170024467

Distributed computing for portable computing devices

This disclosure describes a distributed reader architecture for a mobile computing device such as cellular telephone handset. One claim recites a portable computing device including: memory for storing a library of processing components, the library including a signal detector component and an audio fingerprinting component; a microphone for capturing ambient audio; one or more processors configured for: invoking the audio fingerprinting component for processing captured audio to produce an audio fingerprint, wherein the audio fingerprinting component comprises a filtering process, in which the filtering process produces components of the captured audio that are used to produce the audio fingerprint; and invoking the signal detector component, in which the signal detector component comprises a fast detect process for analyzing the captured audio to determine the presence of an auxiliary signal within the captured audio, and when the presence of the auxiliary signal is detected, controlling the signal detector component for detecting the auxiliary signal to yield a detected auxiliary signal. ... Digimarc Corporation

01/12/17 / #20170011134

Rules driven pan id metadata routing system and network

Content objects are associated with metadata via content identifiers that are derived from sensed signals captured by requesting mobile devices. In response to a content based query from a mobile device, content fingerprints and extracted digital codes decoded from the sensed signals are issued to a network based router system. ... Digimarc Corporation

01/05/17 / #20170004597

Hardware-adaptable watermark systems

There are many advantages to implementing a watermark-based system using dedicated hardware, rather than using software executing on a general purpose processor. These include higher speed and lower power consumption. ... Digimarc Corporation








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



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