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Digimarc Corporation patents (2018 archive)


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


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 redundantly embedded watermark signal, the analyzing producing detection statistics for each of the plurality of portions, the detection statistics comprising a payload signature, a rotation angle and a scale factor for each portion of the plurality of portions; accumulating payload signatures based on compatible rotation angles and scale factors, said accumulating yielding an accumulated payload signature; and decoding a plural-bit payload from the accumulated payload signature. ... Digimarc Corporation

Content metadata directory services

Signals sensed from packaging of products are processed in a distributed reader and metadata routing system to provide metadata responses to mobile application programs. A routing system registers identifiers for different content id schema. ... Digimarc Corporation

Digital watermarking applications

In one aspect, assembly of multi-part food packaging is checked by reference to payloads of steganographically-encoded digital watermarks printed across the packaging components. Marking all surfaces of the packaging components allows arbitrary orientation of feed stock in assembly equipment, and wide latitude in placement of inspection cameras along the packaging line. ... Digimarc Corporation

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

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

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

Space-time calibration system and method

A space-time calibration system and method implement space-time solutions, in which, in one preferred embodiment, a single node determines its own space-time solutions based on other network nodes with which the single node communicates. In other preferred embodiments, space-time solutions for the node can be generated using other resources in the network. ... Digimarc Corporation

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

05/10/18 / #20180130472

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

05/10/18 / #20180130170

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

05/10/18 / #20180130169

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

05/10/18 / #20180130165

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

05/10/18 / #20180130164

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

05/10/18 / #20180129847

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

05/10/18 / #20180126769

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








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