Volume marking with low-frequency

Digital watermarking of low bit rate video

Method and apparatus for setting a detection threshold given a desired false probability

Methods and arrangements for composing information-carrying artwork

Methods and apparatus for enhancing the robustness of watermark extraction from digital host content

Using classification techniques in digital watermarking

Blind wavelet-based watermarking method

Decoding message data embedded in an image print via halftone dot orientation

Digital watermark embedding apparatus and digital watermark detection apparatus

Methods for Extracting Identifying Information From Video and Audio Content

Processing data representing video and audio and methods related thereto

System and method for forensic analysis of media works

Information burying device and detecting device

Extracting multiple identifiers from audio and video content

Optimized digital watermarking functions for streaming data

Embedding hidden auxiliary information in media

Methods for managing content using intentional degradation and insertion of steganographic codes

Optimization methods for the insertion, protection, and detection of digital watermarks in digitized data

Protection method for preventing hard copy of document from being released or reproduced

Information processing apparatus and information processing method

Multimedia data embedding and decoding

Signal processing utilizing host carrier information

Deriving identifying data from video and audio

Data processing apparatus and method

Digital watermark embedding device and digital watermark detecting device

Decoding watermark information items of a watermarked audio or video signal using correlation

DATA PROCESSING APPARATUS AND METHOD

Method and apparatus for watermarking an audio or video signal with watermark data using a spread spectrum

Method and Device for Watermarking on Stream

Digital File Marked By a Series of Marks the Concatenation of Which Forms a Message and Method for Extracting a Mark from Such a Digital File

Method and apparatus for determining and using the sampling frequency for decoding watermark information embedded in a received signal sampled with an original sampling frequency at encoder side

Method of detecting embedded data from image data having a plurality of types of data embedded therein

Stegotext encoder and decoder

Method and apparatus for determining whether or not a reference pattern is present in a received and possibly watermarked signal

Internet linking from audio

Apparatus and method for steganalysis

Image processing apparatus and image forming apparatus

Detecting embedded signals in media content using coincidence metrics

Digital watermark detecting device

Identifying embedded data in an image

WATERMARK EMBEDDING USING LOOK-UP TABLES

Identifying steganographic data in an image

Extracting data from images

Method and apparatus for associating identifiers with content

Image processor, image forming apparatus, image processing method and computer readable medium

Method and device for reading digital watermark, computer software package and corresponding storage means

Apparatus and method for image process

Image processor, image forming apparatus, image processing method and computer readable medium

Error processing of steganographic message signals

Digital watermark detecting apparatus

Deriving multiple identifiers from multimedia content

Detecting hidden auxiliary code signals in media

Content identification through deriving identifiers from video, images and audio

Processing data representing video and audio and methods and apparatus related thereto

Variable message coding protocols for encoding auxiliary data in media signals

WATERMARKING METHOD RESISTANT TO GEOMETRIC ATTACK IN WAVELET TRANSFORM DOMAIN

CONTENT PLAYBACK DEVICE, CONTENT PLAYBACK METHOD, CONTENT PLAYBACK PROGRAM, AND INTEGRATED CIRCUIT

Methods and apparatus to process video and audio media

Marking images of text with speckle patterns for theft deterrence

Watermark Detection

Search for a Watermark in a Data Signal

Digital-Invisible-Ink Data Hiding Schemes

Techniques for detecting, analyzing, and using visible authentication patterns

Image zone detecting using color gradation levels, method, apparatus and computer readable medium

Method to ensure temporal synchronization and reduce complexity in the detection of temporal watermarks

Content authentication and recovery using digital watermarks

Controlling use of audio or image content

Generating and matching hashes of multimedia content

Apparatus and methods to process video or audio

Remote Informed Watermark Detection System

Method, apparatus and computer-readable recording medium for obtaining information

Protecting images with an image watermark

Method and apparatus for steganalysis for texture images

Banknotes with a printed security image that can be detected with one-dimensional signal processing

Stegotext encoder and decoder

Methods for controlling rendering of images and video

Apparatus and method for embedding data into image, and computer product

Sensing data from physical objects

Device, method, and recording medium for embedding/detecting a digital watermark

System and method for decoding digital encoded images

Electronic watermark embedment apparatus and electronic watermark detection apparatus

Contents border detection apparatus, monitoring method, and contents location detection method and program and storage medium therefor

Integrating steganographic encoding in multimedia content

System and method for network-based object authentication

Providing reports associated with video and audio content

System and method for improving an appearance of a raster image comprising glyph shapes

Decoding device, decoding method and decoding program

Printing system, printer, printing method, reader, and reading method

Content identification, and securing media content with steganographic encoding

Digital watermarks for checking authenticity of printed objects

Code image processing method and code image processing apparatus

Image forming apparatus and image processing method

Signal continuity assessment using embedded watermarks

Watermark-based goods authentication

Adaptive prediction filtering for digital watermarking

Distributed content identification

Method and apparatus for associating identifiers with content

Soft error decoding of steganographic data

Watermarking to convey auxiliary information, and media embodying same

Monitoring of video or audio based on in-band and out-of-band data

Method for identifying marked content, such as by using a class-wise non-principal component approach

System and/or method for image tamper detection

Digital watermark detection method and apparatus

Digital watermark detection method and apparatus

Digital watermark detection method and apparatus

Digital watermark detection method and apparatus

Digital watermark detection method and apparatus

Digital watermark detection method and apparatus

Digital watermark detection method and apparatus

Video steganography or encoding

Digital watermark detection method and apparatus

Digital watermark detection method and apparatus

Watermark Synchronization System and Method for Embedding in Features Tolerant to Errors in Feature Estimates at Receiver

Digital watermark detection method and apparatus

Documents and apparatus to encode documents

Method for decoding an encoded point matrix image and an electronic device implementing the same

Method for identifying marked images using statistical moments based at least in part on a JPEG array

Method for fingerprinting multimedia content

Method for identifying marked images based at least in part on frequency domain coefficient differences

Apparatus, method, and program product for detecting digital watermark

Watermarking method and apparatus

Watermark detection

Watermark detection

Watermark detection by correlation shape analysis

Image detecting method

Digital watermark detection using predetermined color projections

Marking images of text with speckle patterns for theft deterrence

Image processing apparatus, pattern detecting method, program, and recording medium

Estimation of quantisation step sizes for a watermark detector

Watermarked information embedding apparatus

Documents, articles and authentication of documents and articles

Encoding and detecting apparatus

Computing distortion of media signals using embedded data with repetitive structure and log-polar mapping

Stowable mezzanine bed

Steganographic data hiding using a device clock

Copy detection system using correlations of copy detection patterns

Data embedding apparatus

Method and apparatus for determining encoding availability, and computer product

Embedding hidden auxiliary code signals in media

Methods for steganographic encoding media

Methods and apparatus to process media

Digital watermark detection utilizing host carrier information

Watermarking of multimedia signals

Digital watermarks

Watermarked document reading apparatus with improved error processing

Detection of a watermark in a digital signal

Information processing apparatus and its control method, computer program and storage medium

Detecting a watermark using a subset of available detection methods

Optimization methods for the insertion, protection, and detection of digital watermarks in digitized data

Video fingerprinting to identify video content

Method and apparatus for watermarking stream data

Image processing apparatus, image processing method, medium, code reading apparatus, and program

System and method for steganalysis

Methods and apparatus for enhancing the robustness of watermark extraction from digital host content

Digital watermark and steganographic decoding

Method and apparatus for encoding symbols carrying payload data for watermarking an audio or video signal, and method and apparatus for decoding symbols carrying payload data of a watermarked audio or video signal

Image processing apparatus and image forming apparatus

Digital watermark embedding apparatus and digital watermark detection apparatus

Method of detecting watermarks

Apparatus and methods for inserting and detecting electronic watermark

Robust hidden data extraction method for scaling attacks

Authentication of identification documents

Raising detectability of additonal data in a media signal having few frequency components

Watermark orientation signals conveying payload data

Watermark detection

Data processing apparatus and method

Digital information carrier

Multiple transform utilization and application for secure digital watermarking

Internet linking from audio and image content

Data processing apparatus and method

Electronic watermark embedding device, electronic watermark detection device, method thereof, and program

Method and arrangement for watermark detection

Method and arrangement for watermark detection

Method of extracting a watermark

Method for Authenticating the Compressed Image Data

System, method and computer program product for video fingerprinting

Watermark encoding and decoding

Derivation and quantization of robust non-local characteristics for blind watermarking

Hierarchical watermark detector

Steganographic encoding and decoding of auxiliary codes in media signals

Derivation and quantization of robust non-local characteristics for blind watermarking

Derivation and quantization of robust non-local characteristics for blind watermarking

Derivation and quantization of robust non-local characteristics for blind watermarking

Method for concealing data in curves of an image

Digital watermarking system using scrambling method

Method and system for watermark detection

Data processing apparatus and method, data processing program, and storage medium

Background watermark processing

Securing media content with steganographic encoding

Apparatus for identifying a photographer of an image

System and method for network-based object authentication

Method and arrangement for processing a signal using a digital processor having a given word length

Watermark payload encryption for media including multiple watermarks

Fingerprint embedding

Methods for steganographic encoding media

System and method for decoding digital encoded images

Method and system for frequency domain watermarking using a phase based filter signature

Method of embedding a digital watermark and a digital watermark embedding apparatus

Optimized digital watermarking functions for streaming data

Systems and methods for embedding media forensic identification markings

Method and apparatus for associating identifiers with content

System and method for robust reversible data hiding and data recovery in the spatial domain

Authentication of physical and electronic media objects using digital watermarks

Method and system for watermarking an electrically depicted image

Derivation and quantization of robust non-local characteristics for blind watermarking

Method to make wavelet watermarks resistant to affine transformations

Method to decode temporal watermarks in compressed video

Method and system for watermarking an electronically depicted image

Increasing integrity of watermarks using robust features

Method to ensure temporal synchronization and reduce complexity in the detection of temporal watermarks

Derivation and quantization of robust non-local characteristics for blind watermarking

Derivation and quantization of robust non-local characteristics for blind watermarking

Derivation and quantization of robust non-local characteristics for blind watermarking

Collusion-resistant watermarking and fingerprinting

Derivation and quantization of robust non-local characteristics for blind watermarking

Method and device for embedding watermark information and method and device for extracting embedded watermark information

Embedding hidden auxiliary code signals in media

Asymmetric spread-spectrum watermarking systems and methods of use

Asymmetric spread-spectrum watermarking systems and methods of use

Robust and stealthy video watermarking into regions of successive frames

Derivation and quantization of robust non-local characteristics for blind watermarking

Collusion-resistant watermarking and fingerprinting

Collusion-resistant watermarking and fingerprinting

Collusion-resistant watermarking and fingerprinting

Collusion-resistant watermarking and fingerprinting

Embedding information in a digital image digitized from a developed photographic film

Stealthy secret key encoding and decoding

Increasing integrity of watermarks using robust features

Watermarking electronic text documents

Progressive watermark decoding on a distributed computing platform

Watermark-based goods authentication

Discrete fourier transform (DFT) watermark

Apparatus and methods for improving detection of watermarks in content that has undergone a lossy transformation

Digital watermarking of tonal and non-tonal components of media signals

Data content identification

Determination of a segmentation of a digital signal for inserting watermarking signals and the associated insertion

Method and apparatus for providing reduced reference techniques for low frequency watermarking

Methods and apparatus to produce security documents

Image processing apparatus, image processing method, and storage medium

Image processing apparatus, image processing method, and storage medium

Dual watermarking method for trajectory data based on robust watermarking and fragile watermarking

Watermarking method for high-definition map based on invisible characters

Modulating surface topcoats to embed digital watermarking

Encoding signals with printed clear topcoats

Methods and arrangements for configuring object localizers

Image path that supports device based infrared mark imaging

Verifying document security using an infrared VOID pantograph mark

Embedding 3D information in documents

Signal encoding for physical objects including dark ink

Signal encoding based on spectral requirements

Detection of encoded signals and icons

Signal encoding for inks with low reflectivity

Image processing methods and arrangements useful in automated store shelf inspections

Detecting conflicts between multiple different encoded signals within imagery

Compensating for geometric distortion of images in constrained processing environments

Methods and arrangements for adaptation of barcode reading camera systems for digital watermark decoding

Image processing methods and arrangements

Localization of machine-readable indicia in digital capture systems

Optimizing optical scanners for digital watermark detection

Power efficient detection of watermarks in media signals

Altering scans to include security features identifying scan origination