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| Number | Title | Issue Date |
| 7711143 | Methods for marking images An image is marked by making slight changes to pixel values. These changes are essentially imperceptible on human scrutiny, but detectable by computer analysis. Such markings have applications in identifying ownership of images (including video), and also in device ... | 05/04/2010 |
| 7486799 | Methods for monitoring audio and images on the internet An Internet monitoring method identifies content on the Internet through embedded data and pattern matching, determines the owners of the content and notifies the owners of this use of their audio or images on the Internet. ... | 02/03/2009 |
| 7466840 | Soft error decoding of steganographic data Soft error decoding is used to decode steganographic messages embedded in image and audio signals. Content signals with auxiliary embedded data are analyzed to make determinations about changes made to the signals to embed the data. These determinations are weighted... | 12/16/2008 |
| 7460718 | Conversion device for performing a raster scan conversion between a JPEG decoder and an image memory The conversion device includes an input for receiving data corresponding to an image to be displayed. The received data is in a JPEG decoder output data format A processor is included for reconstructing and writing the image to be displayed into the image memory, in... | 12/02/2008 |
| 7460727 | Error diffusion method and hardware architecture A system and method for performing threshold stamping are disclosed. First and second threshold values corresponding to first and second pixels may be retrieved from a threshold memory. A plurality of upscaled threshold values may optionally be computed based on the... | 12/02/2008 |
| 7460705 | Head-top detecting method, head-top detecting system and a head-top detecting program for a human face A head-top detecting method is provided for detecting a head-top of a human face from an image with the human face included therein. After detecting a human face and setting a head-top detecting window at an upper part of the image, an image feature quantity within ... | 12/02/2008 |
| 7460710 | Converting digital images containing text to token-based files for rendering A computer-implemented method is provided for converting a scanned-in electronic image into a token-based file. The method includes generally five steps. First, various tokens (i.e., graphical units) are identified in the electronic image. Second, the identified tok... | 12/02/2008 |
| 7457470 | Image processing apparatus An image processing apparatus subjects, to image processing for reproduction, input compressed image data or compressed image data read from a recording medium, and the apparatus includes an expansion processing unit which subjects the compressed image data to expan... | 11/25/2008 |
| 7454070 | Image encoding apparatus and method, computer program, and computer-readable storage medium According to this invention, encoded data of a target data amount is generated by one image input operation while both lossless encoding and lossy encoding are adopted. For this purpose, an encoding sequence control unit controls a first encoding unit for lossy (JPE... | 11/18/2008 |
| 7450734 | Digital asset management, targeted searching and desktop searching using digital watermarks The present invention provides methods and systems to improve network searching for watermarked content. In some implementations we employ keyword searching to narrow the universe of possible URL candidates. A resulting URL list is searched for digital watermarking.... | 11/11/2008 |
| 7447353 | Methods for qualitative evaluation of a material with at least one identification characteristic A material, with at least one identification characteristic, is subjected to a qualitative evaluation. A color image of this at least one identification characteristic is taken using an electronic image sensor which produces an electrical signal that is evaluated by... | 11/04/2008 |
| 7447359 | System and method for anatomical structure parsing and detection A method for segmenting a digitized image includes providing a digitized image comprising a plurality of intensities defined on a lattice of pixels, initializing a Bayesian prior probability and likelihood function for segmenting said image, decomposing said image i... | 11/04/2008 |
| 7444000 | Content identification, and securing media content with steganographic encoding The present invention relates generally to content identification. Examples of content include imagery, video and audio. One claim recites decompressing a compressed encoded signal, the encoded signal comprising plural-bit information hidden therein; determining whe... | 10/28/2008 |
| 7440626 | Image transcoding A method transcodes an image in the form of an encoded input bitstream. The input bitstream includes quality layers, each quality layer includes a resolution levels, each resolution level includes components, each component includes precincts, and each precinct incl... | 10/21/2008 |
| 7440630 | Image compressing apparatus that achieves desired code amount An apparatus for compressing an image, comprising: a coding unit configured to generate code data by encoding data derived from image data; a memory unit which stores truncation data items identified by respective data sequence numbers, wherein a truncation data ite... | 10/21/2008 |
| 7440629 | Image encoding apparatus and image encoding method In the image encoding apparatus, the bus traffic monitoring unit monitors the traffic of the memory bus and when the memory bus is congested, the prediction selector is instructed to select the output from the DC prediction unit. Conversely, when the memory bus is n... | 10/21/2008 |
| 7430328 | Rice lossless compression module A Rice coding data compression module includes a memory interface operable to receive sensor data from memory, a data normalization module operable to normalize received sensor data, an encoder operable to apply a Rice compression algorithm to the normalized data to... | 09/30/2008 |
| 7424131 | Authentication of physical and electronic media objects using digital watermarks Digital watermark methods for encoding auxiliary data into a host signal are used to authenticate physical and electronic objects. One such method computes a content specific message dependent on the host signal, encodes the content specific message into a watermark... | 09/09/2008 |
| 7424160 | Methods and apparatus for monitoring compressed bitstreams Methods and an apparatus for monitoring compressed bitstreams are disclosed. The disclosed methods and apparatus receive an encoded signal including encoded video frames and determine if video represented by the encoded video frames is frozen or blacked out based on... | 09/09/2008 |
| 7421116 | Image processing methods and systems Systems and methods according to the present invention provide techniques to automatically insert an object from one image into a region of another image. The systems and methods require little or no user interaction to allow efficient re-use and updating of existin... | 09/02/2008 |
| 7421155 | Archive of text captures from rendered documents A facility for storing a text capture data structure for a particular user is described. The data structure comprises a number of entries. Each entry corresponds to a text capture operation performed by the user from a rendered document. Each entry contains informat... | 09/02/2008 |
| 7418143 | Encoding device and method, decoding device and method, and image information processing system and method An encoding device and method, a decoding device and method, and an image information processing system and method, which can speed up encoding processing and/or decoding processing, are proposed. There is provided a first storing unit which, when an encoding unit o... | 08/26/2008 |
| 7418129 | Image processing device method and program The present invention relates to an apparatus, a method, and a program for processing images that can reproduce images in which color tones are preserved even when a luminance signal level is changed by gradation conversion. A Y-matrix unit 112 and a C-matrix... | 08/26/2008 |
| 7415159 | Image data compression device and encoder An image data compression device includes a quantization section, a FIFO buffer section, an encoded data generation section, and a rate control section. The quantization section quantizes image data by a quantization step which changes based on a quantization parame... | 08/19/2008 |
| 7415171 | Multigraph optical character reader enhancement systems and methods Systems, methods, and software consistent with the present invention use combinations of two or more letters (xgraphs) or characters, such as three letter combinations (trigraphs), to aid in deciphering ambiguous characters in OCR systems. Embodiments consistent wit... | 08/19/2008 |
| 7415155 | Methods and apparatus for reversible data hiding through histogram modification Methods and apparatus are provided for encoding a pixel domain image with hidden data by modifying the histogram of the pixel domain image to make space for such hidden data. ... | 08/19/2008 |
| 7412079 | Image processing apparatus An image processing apparatus according to the present invention includes: an input unit for inputting a moving image signal; an extracting unit for extracting a portion of the moving image signal for a plurality of frames input by the input unit; an encoding unit f... | 08/12/2008 |
| 7412102 | Interlace frame lapped transform A video encoder/decoder implements a lapped transform by applying an overlap filter in the spatial or transform domains to transform blocks. For interlace frames whose alternating scan lines are temporally displaced, the encoder/decoder imposes a limitation on appli... | 08/12/2008 |
| 7406207 | Multi-point predictive foveation for bandwidth reduction of moving images A scene of an image sequence is transmitted that has been compressed using a number of foveation zones, each foveation zone being weighted based on a probability of a viewer looking at a corresponding portion of the first scene. ... | 07/29/2008 |
| 7403655 | Moving picture system and moving picture extraction method A client acquires the size of the moving picture, decides a segment of a moving picture to be extracted from the original moving picture and extracts the moving picture of the segment decided. The client uploads, to a server on a network, the moving picture extracte... | 07/22/2008 |
| 7403654 | Enhanced automatic red eye removal A method for removing red eyes includes (1) identifying potential red eye pixels in a low resolution image (hereafter “LR red eye pixels”), (2) grouping contiguous LR red eye pixels into red eye regions (herafter “LR red eye regions”), (3) determining workin... | 07/22/2008 |
| 7400762 | Strategies for performing scaling operations on image information Strategies are set forth for performing a scaling operation on image information using a filter. According to one exemplary implementation, the strategies involve: computing, based on scaling to be performed, a number of filter kernels required to implement the filt... | 07/15/2008 |
| 7397960 | Method of and computer system for executing area-division and compression of document image A personal computer is operable to sectionalize a document image to form a plurality of image areas each having an attribute associated with a compression mode. Then, it is determined whether the image areas overlap with one another to form an overlap area. When the... | 07/08/2008 |
| 7391915 | Cache friendly method for performing inverse discrete wavelet transform This invention is a method for inverse Wavelet transform using a breadth-first output data calculation which uses input data to calculate at least one output data for each iteration of a software loop even if the same input data is used in a later iteration for calc... | 06/24/2008 |
| 7386169 | Method for edge detection and contour stroke generation A method for contour stroke generation. First, edge pixels of an image are detected. The connected edge pixels are traced to generate non-branched edges. Each non-branched edge represents a list of connected edge pixels without branches. Thereafter, the non-branched... | 06/10/2008 |
| 7386180 | Image signal reproduction apparatus and image signal reproduction method An image signal reproduction apparatus and an image signal reproduction method that can reproduce video signals at high speed with stability. A skip decoding field counter is set on the basis of a factor by which the reproduction speed is multiplied and the number o... | 06/10/2008 |
| 7386179 | Encoding apparatus and method, and decoding apparatus, method and program An encoding apparatus and an encoding method, a decoding apparatus, a decoding method and a decoding program capable of speeding up the encoding or decoding process is provided. The present invention provides with a plurality of pixels corresponding to a processing ... | 06/10/2008 |
| 7376278 | Graphic codec for network transmission Various embodiments of the invention provide a method, system, and apparatus for transmitting screen display information from a remote server to a client. One embodiment features a video decoder that comprises (i) an input port to receive data that includes a data i... | 05/20/2008 |
| 7373002 | Image processing apparatus and method, and computer program The present invention provides an image processing apparatus that records currently displayed video onto an external medium as a still image. A JPEG file includes compressed data and auxiliary Exif information, and the auxiliary information includes a user informati... | 05/13/2008 |
| 7373011 | Density-dependent sharpening A sharpening filter is disclosed for performing density-dependent sharpening on digital images. In one embodiment, a digital image to be sharpened is decomposed into a plurality of high-pass versions of the image at different resolutions. These high-pass images are ... | 05/13/2008 |
