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7415129 Providing reports associated with video and audio content  
The present invention relates generally to generating or otherwise providing reports associated with content (e.g., audio or video). One claim recites a method including: processing data...
7412074 Hiding codes in input data  
The present invention relates to hiding codes in input data. In one embodiment, a method is provided including: obtaining input data associated with image or visual information; selecting portions...
7362879 Substituting objects based on steganographic encoding  
The application discloses various methods and systems to provide substitute information or objects for, e.g., substitution when making copies of media objects (e.g., audio, video or images). One...
7362781 Wireless methods and devices employing steganography  
Wireless devices and methods employ steganography to convey auxiliary data in addition to audio information. An exemplary application is a battery-powered cell phone, having, e.g., a microphone, a...
7359528 Monitoring of video or audio based on in-band and out-of-band data  
The presently claimed invention relates generally to monitoring and/or filtering video or audio data. In one implementation a method is provided including: obtaining data representing video or...
7333153 Expanded information capacity for existing communication transmission systems  
A system for transmitting digital programming includes a program source providing digital information, circuitry for modulating the digital information onto a visual carrier modulated with analog...
7248717 Securing media content with steganographic encoding  
Methods and apparatus to provide security for audio or image content are provided. In one embodiment, a method includes receiving audio or image content and steganographically encoding auxiliary...
7224819 Integrating digital watermarks in multimedia content  
A method for tracking media signals in multimedia content is provided by uniquely identifying the multimedia content with a digital watermark identifier. A video channel is preferably embedded with...
7181022 Audio watermarking to convey auxiliary information, and media embodying same  
Methods of processing audio to convey auxiliary information therein without audible evidence of data alteration. Various arrangements are disclosed. One receives plural bit auxiliary data in which...
7180942 Joint adaptive optimization of soft decision device and feedback equalizer  
The present invention uses a novel adaptive soft decision device in order to jointly optimize decision device and DFE operation. The soft decision device receives the input and output samples of...
7171018 Portable devices and methods employing digital watermarking  
Media objects are transformed into active, connected objects via identifiers embedded into them or their containers. In the context of a user's playback experience, a decoding process extracts the...
7171016 Method for monitoring internet dissemination of image, video and/or audio files  
An automated monitoring service downloads image files (including, e.g., graphic and video files) and audio files from various Internet sites, and checks these files for the presence of embedded...
7113614 Embedding auxiliary signals with multiple components into media signals  
A digital watermark system embeds auxiliary signals in multimedia types, including audio, still and moving images, and physical objects. These auxiliary signals, referred to as digital watermarks,...
7111168 Digital watermarking systems  
A variety of systems responsive to watermarked documents are detailed. In one, watermarking is employed to facilitate secure online transactions. In another, a system for exchanging data is...
7103197 Arrangement for embedding subliminal data in imaging  
Various improvements to steganographic systems, and applications therefore, are disclosed. The improvements include facilitating scale and rotation registration for steganographic decoding by use...
7068811 Protecting images with image markings  
A method and system for embedding signatures within visual images in both digital representation and print or film. A signature is inseparably embedded within the visible image, the signature...
7062070 Image marking adapted to the image  
A digital image is processed to hide information, by generally inconspicuous adjustments of pixel values. Desirably, the processing is adapted to the particular image being encoded, so as to better...
7058697 Internet linking from image content  
Address information is steganographically encoded into audio or graphic data, and thereafter decoded to permit linking to the internet. The address information can be a literal URL, or may be an...
7054463 Data encoding using frail watermarks  
Image, video, or audio data is encoded with both a frail and a robust watermark. The two watermarks respond differently to different forms of processing (e.g., copying the object may render the...
7051086 Method of linking on-line data to printed documents  
The present invention relates to linking on-line data to printed documents, such as business cards, envelopes, stickers, stationary, letterhead, résumés, etc. In one embodiment, a card-user...
7050603 Watermark encoded video, and related methods  
Watermarks in video signals or the accompanying audio track are used to associate video objects in a video sequence with object specific actions or information. A video object refers to a spatial...
7050201 Method and apparatus for encoding paper with information  
Paper is textured with a pattern that yields a known signature signal when transformed to the frequency domain. This signature can be used for various purposes, including determining the angular...
7044395 Embedding and reading imperceptible codes on objects  
Watermarks and related machine-readable coding techniques are used to embed data within the information content on object surfaces. These techniques may be used as a substitute for (or in...
7039214 Embedding watermark components during separate printing stages  
The present invention relates to embedding a document with multiple watermark components at different printing stages. A document is preprinted to include a first digital watermark component. The...
7027614 Hiding information to reduce or offset perceptible artifacts  
The present invention relates to digital watermarking. In a preferred embodiment, a multi-channel media signal is embedded with first and second digital watermark components. The first component is...
7003132 Embedding hidden auxiliary code signals in media  
Methods for embedding and reading auxiliary messages from image signals use embedded code signals modulated with the auxiliary message. These embedded ode signals may be used to convey hidden...
6993153 Self-orienting watermarks  
A watermarking method converts a watermark message into a Frequency Shift Keying (FSK) signal and embeds the FSK signal in a host signal. The spectral properties of the FSK watermark signal...
6987862 Video steganography  
An input content signal, e.g., representing video, is encoded to hide plural-bit auxiliary data therein. The process generates an intermediate signal that is a function of (a) the plural-bit...
6983051 Methods for audio watermarking and decoding  
An identification code signal is hidden in a carrier signal (such as an electronic data signal or a physical medium) in a manner that permits the identification signal later to be discerned. The...
6982948 Method and apparatus for transmission and reception of FM in-band on-channel digital audio broadcasting  
A transmitter for transmitting data in a digital audio broadcasting system includes a signal generator for providing a plurality of orthogonal frequency division multiplexed sub-carriers, with the...
6975746 Integrating digital watermarks in multimedia content  
A method for decoding auxiliary data from media signals in multimedia content decodes watermarks from different media signals and uses the watermarks to control processing of the multimedia...
6968564 Multi-band spectral audio encoding  
An encoder includes a sampler that samples an audio signal and that generates from the samples a plurality of short blocks of sampled audio. Each of the short blocks has a duration less than a...
6968057 Emulsion products and imagery employing steganography  
Images are steganographically marked with codes that can be used, e.g., by reference to a remote registry, to identify the image proprietors. Some embodiments pre-mark blank emulsion film or paper...
6965682 Data transmission by watermark proxy  
A media object sensed at one location is delivered at a second remote location, or an application associated with the object is made available at the second location. In some embodiments, the...
6959386 Hiding encrypted messages in information carriers  
An identification code signal is hidden in a carrier signal (such as an electronic data signal or a physical medium) in a manner that permits the identification signal later to be discerned. The...
6944298 Steganographic encoding and decoding of auxiliary codes in media signals  
One aspect of the invention is a method of decoding an auxiliary code embedded in an audio signal. The method performs a statistical decoding of a multibit auxiliary code embedded in an audio...
6922480 Methods for encoding security documents  
Line art on a banknote or other security document is slightly changed to effect the encoding of plural-bit digital data (i.e. the banknote is digitally watermarked). When such a banknote is...
6917724 Methods for opening file on computer via optical sensing  
By printing documents and other objects with machine readable indicia, such as steganographic digital watermarks or barcodes, a great variety of document management functions can be enabled. The...
6917691 Substituting information based on watermark-enable linking  
OLE-like principles are implemented using watermark data in digital objects in order to effect object linking or embedding. In one embodiment, a photocopier scans an original paper document to...
6879652 Method for encoding an input signal  
An encoder transforms at least a portion of a signal, counts the resulting transform coefficients having a zero value, and encodes the signal with the zero count. A decoder decodes the signal in...
6869023 Linking documents through digital watermarking  
The present invention relates to linking documents through digital watermarking. In one implementation, an identification document is embedded with a first digital watermark. The first digital...
6850626 Methods employing multiple watermarks  
Image, video, or audio data is encoded with both a frail and a robust watermark. The two watermarks respond differently to different forms of processing (e.g., copying the object may render the...
6829368 Establishing and interacting with on-line media collections using identifiers in media signals  
Media objects are transformed into active, connected objects via identifiers embedded into them or their containers. In the context of a user's playback experience, a decoding process extracts the...
6823075 Authentication watermarks for printed objects and related applications  
The disclosure describes systems for creating and authenticating printed objects using authentication and copy detection watermarks. For example, one verification system includes a watermark...
6804377 Detecting information hidden out-of-phase in color channels  
The present invention relates to detecting steganographically hiding images and information. In a preferred embodiment, an image is hidden within a media signal. The media preferably includes a...
6804376 Equipment employing watermark-based authentication function  
Image, video, or audio data is encoded with both a frail and a robust watermark. The two watermarks respond differently to different forms of processing (e.g., copying the object may render the...
6788800 Authenticating objects using embedded data  
This disclosure describes a method of making a secure product using data hidden in the product itself and a method of using the hidden data to authenticate the product. The method assigns a product...
6775392 Computer system linked by using information in data objects  
Various improvements to steganographic systems, and applications therefore, are disclosed. The improvements include facilitating scale and rotation registration for steganographic decoding by use...
6768809 Digital watermark screening and detection strategies  
To enhance decoding of signals suspected of containing an embedded auxiliary signal, a suspect signal is screened to compute detection values evincing presence and strength of the embedded signal....
6760463 Watermarking methods and media  
Audio and image (including video) content data is watermarked by processes that take into account human perception attributes of the content. Some methods assess the input content data to discern...
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