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| Number | Title | Issue Date |
| 8185967 | Method and apparatus for content management The present application relates generally to content management (e.g., managing audio and video items in portable devices). One claim recites a method comprising: utilizing electronic memory housed in a portable device, maintaining a listing of up to N identifiers a... | 05/22/2012 |
| 8175617 | Sensor-based mobile search, related 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... | 05/08/2012 |
| 8140848 | Digital watermark key generation The present invention relates to message encoding. In a first implementation, a message is provided. The message is transformed by a secret key. The secret key is generated by providing a plural-bit seed. The seed is randomized and then error correction encoded. We ... | 03/20/2012 |
| 7676060 | Distributed content identification A method of identifying content in a distributed computing system. The method receives an image or audio signal in a first device in the distributed computing system, such as a cell phone or other wireless device. In this device, the method performs an analysis of c... | 03/09/2010 |
| 7532740 | Method and apparatus for embedding auxiliary information within original data This patent application is generally related to watermarking and steganography. In one implementation, a method of embedding auxiliary information within original data is provided. The original data is divided into a series of groups, with each group in the series o... | 05/12/2009 |
| 7197164 | Time-varying video watermark A digital watermark embedder reduces a watermark signal as a function of time varying properties of video such that a watermark that would otherwise be static over frames is selectively reduced to make it imperceptible. The method computes a watermark signal corresp... | 03/27/2007 |
| 7197160 | Geographic information systems using digital watermarks The present invention relates to systems and methods for managing images and related information. In one implementation, geographic information system (GIS) layer information is registered or aligned to an image using digital watermark information embedded within th... | 03/27/2007 |
| 7197156 | Method and apparatus for embedding auxiliary information within original data The present invention relates generally to embedding and/or encoding auxiliary information within original data. For example, in one embodiment, a method of embedding auxiliary information in data is provided. The auxiliary information is not lost with compression o... | 03/27/2007 |
| 7194106 | Creating electronic forms through digital watermarking The present invention relates to creating electronic versions of printed documents. A printed document will include steganographic, but machine-readable, indicia thereon. The steganographic indicia provides clues on how best to create a corresponding electronic vers... | 03/20/2007 |
| 7191156 | Digital watermarking systems A variety of systems responsive to watermarked documents are detailed. In one, watermarking is employed to facilitate e-commerce transactions. More particularly, watermarking is employed to assure that an on-line purchaser of goods has physical custody of the credit... | 03/13/2007 |
| 7187780 | Image processing methods using reversible watermarking The ability to remove a watermark from an encoded image opens the possibility of various novel applications. Several such applications are detailed. One employs a reversible watermark in conjunction with a second (robust) watermark. In this arrangement, the payload ... | 03/06/2007 |
| 7184570 | Methods and systems for steganographic processing Electronic content data that is copied without authorization can be traced back to its source using steganographically encoded information. Such arrangements are useful, e.g., where electronic content is rendered to an audience—one of whom may be making an illicit... | 02/27/2007 |
| 7185201 | Content identifiers triggering corresponding responses Fingerprint data derived from audio or other content is used as an identifier, to trigger machine responses corresponding to the content. The fingerprint can be derived from the content, and also separately encoded in a file header. Digital watermarks can also be si... | 02/27/2007 |
| 7184572 | Using steganographic encoded information with maps A map depicts a plurality of different locations. Steganographic encoding is embebbed in first and second map areas. Steganographic encoding in each area conveys an identifier that is associated with its respective map area. Different encoded identifiers are used to... | 02/27/2007 |
| 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 the auxiliary information is included, and modulates a carrier signal... | 02/20/2007 |
| 7181042 | Digital authentication with digital and analog documents A watermark embedder transforms a media signal from its perceptual domain to frequency domain regions and embeds a hash of data from one frequency domain region into a watermark in another frequency domain region. Alternatively, it encodes instances of the same mess... | 02/20/2007 |
| 7177443 | Method and apparatus for associating identifiers with content Watermark detection in an image or the like can be optimized by exploiting the innate biases in the image to emphasize the watermark signal. The watermark signal can be trial-located with different origins in the image to find one that yields improved results. Simil... | 02/13/2007 |
| 7174031 | Methods for using wireless phones having optical capabilities A wireless phone is equipped with a 2D optical sensor, enabling a variety of applications. For example, such a phone may also be provided with a digital watermark decoder, permitting decoding of steganographic data on imaged objects. Movement of a phone may be infer... | 02/06/2007 |
| 7171020 | Method for utilizing fragile watermark for enhanced security A fragile watermark is embedded in a document. The fragile watermark provides enhance security. In one implementation, a method is provided for embedding information in an image so that the image will have different information when a scanning or printing process re... | 01/30/2007 |
| 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 identifier from a media object and possibly additional context inform... | 01/30/2007 |
| 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 digital watermark data. When found, such data is decoded and used to ide... | 01/30/2007 |
| 7164780 | Digital watermarking apparatus and methods The present invention relates to various steganographic methods and apparatus. In one embodiment, a plurality of microlenses can provide a steganographic signal for a handheld device. The pattern corresponds to (or conveys) a device identifier. In another embodiment... | 01/16/2007 |
| 7164413 | Enhanced input peripheral A mouse having X- and Y-position encoders, and associated circuitry for generating X- and Y-movement data, additionally includes an optical sensor for producing grey-scale image data, thereby allowing the mouse to serve both as a positioning device and an optical in... | 01/16/2007 |
| 7162052 | Steganographically encoding specular surfaces The present invention provides techniques to steganographically mark specular surfaces. In one implementation, we steganographically mark a specular surface by providing a steganographic signal including at least plural-bit data, and arranging ink in a pattern on th... | 01/09/2007 |
| 7158654 | Image processor and image processing method A pattern signal is steganographically encoded in a content object to aid in identifying distortion (e.g., image rotation) to which the object may be subjected. The signal may include a feature that can be used to unambiguously identify correct orientation. ... | 01/02/2007 |
| 7152786 | Identification document including embedded data The present invention provides methods and systems to authenticate identification documents. In a first implementation, an identification document includes a photograph and a digital watermark. The digital watermark carries first facial recognition data correspondin... | 12/26/2006 |
| 7152021 | Computing distortion of media signals embedded data with repetitive structure and log-polar mapping A digital watermark detection method uses a matched filtering technique on a log polar re-mapping of a watermarked signal to detect peaks associated with a repetitive structure of a watermark. ... | 12/19/2006 |
| 7151854 | Pattern recognition of objects in image streams The disclosure describes pattern recognition detectors and software used to detect objects in image streams. The detectors operate on streams of image data, making them suitable for detecting certain types of objects in documents and images passed between processes ... | 12/19/2006 |
| 7143950 | Ink with cohesive failure and identification document including same The present invention provides ink that is designed to cohesively fail upon a de-lamination attack. A resulting failure pattern is preferably difficult to predict. The ink is applied to an identification document including a core and laminate layer. The ink is chara... | 12/05/2006 |
| 7143949 | Internet-linking scanner A scanner is programmed to extract a machine-readable identifier (e.g., encoded in watermark or barcode form) from an object, and transmit same to a remote computer (e.g., over the Internet). The remote computer responds with supplemental information or e-commerce o... | 12/05/2006 |
| 7142691 | Watermark embedding functions in rendering description files A method for controlling watermark embedding in a media object through the use of a watermark embedding command. In the process of creating the media object, the method includes a watermark embedding command among a set of one or more rendering commands that specify... | 11/28/2006 |
| 7139408 | Transform domain watermarking of image signals The invention provides methods and related systems for embedding and detecting watermarks in images, such as JPEG or MPEG formatted images as well as other types of image signals. One method receives transform coefficients of the image, and changes the value of sele... | 11/21/2006 |
| 7136502 | Printing media and methods employing digital watermarking Stationery, or other printable media, is encoded with a digital watermark. The watermark is not conspicuous to a human observer of the media, yet conveys plural bits of auxiliary information when optically scanned and digitally processed. The watermark can be formed... | 11/14/2006 |
| 7136503 | Encoding hidden data A digital image is processed to hide information, by generally inconspicuous adjustments thereof. These adjustments can define a pattern that extends across some or all of the image. Desirably, the pattern is adapted to the particular image being encoded, so as to b... | 11/14/2006 |
| 7131585 | Inventory management system and methods for secure identification document issuance An inventory management system tracks consumables used in creation of secure documents through an identification document issuance process. The system assigns states to card and non-card consumables, and these states are used to track consumables from the vendor's i... | 11/07/2006 |
| 7130087 | Methods and apparatus to produce security documents Security documents (e.g. passports, currency, event tickets, and the like) are encoded to convey machine-readable multi-bit binary information (e.g., a digital watermark), usually in a manner not alerting human viewers that such information is present. The documents... | 10/31/2006 |
| 7127744 | Method and apparatus to protect media existing in an insecure format The present invention provides methods, systems and apparatus to manage processing of video content. In one implementation, a method of managing processing of video content is provided. The video content includes picture data representing picture elements to be rend... | 10/24/2006 |
| 7123740 | Watermark systems and methods A number of novel watermarking applications, and improvements to watermarking methods, are disclosed. Included are techniques for encoding printed circuit boards and street signs with watermarks, deterring credit card fraud and controlling software licensing using w... | 10/17/2006 |
| 7116781 | Counteracting geometric distortions in watermarking A digital watermarking method receives multimedia data, such as images or audio, in compressed or uncompressed form, and extracts a digital watermark while counteracting geometric distortions. To counteract geometric distortion, a watermark reading process translate... | 10/03/2006 |
| 7113596 | Embedding information related to a subject of an identification document in the identification document The present invention relates to an identification document for a subject. The identification document includes a substrate, and a visual image formed on the substrate. The visual image includes a face image of the subject in a first area, and invisible but retrieva... | 09/26/2006 |
