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| Number | Title | Issue Date |
| 8385670 | Image restoration by vector quantization utilizing visual patterns The restoration of images by vector quantization utilizing visual patterns is disclosed. One disclosed embodiment comprises restoring detail in a transition region of an unrestored image, by first identifying the transition region and forming blurred visual pattern ... | 02/26/2013 |
| 8374452 | Method and apparatus for fast cell search The GCL sequence index of each cell/sector is assigned so that a difference of the indices between adjacent cells/sectors is more than N, where N≧1. During GCL index detection, the adjacent N−1 indices of an index with the largest magnitude can be deleted from h... | 02/12/2013 |
| 8340450 | Successively refinable lattice vector quantization A vector quantizer includes a lattice quantizer (10) approximating a vector x by a lattice vector belonging to a lattice Λ0. A lattice vector decomposer (14) connected to the lattice quantizer successively decomposes the lattice vector into... | 12/25/2012 |
| 8340451 | Method for constructing image database for object recognition, processing apparatus and processing program Provided is a method for constructing an image database for object recognition, which includes a feature extraction step of extracting local descriptors from object images which are to be stored in an image database, a scalar quantization step of quantizing a numeri... | 12/25/2012 |
| 8270747 | Image encoding device, image decoding device, and integrated circuit An image encoding device that receives a plurality of component values of a color input signal inputted to an object pixel, vector quantizes, and encodes each of the plurality of component values includes: a difference vector quantization unit that vector quantizes ... | 09/18/2012 |
| 8077994 | Compression of MQDF classifier using flexible sub-vector grouping Systems and methods to compress MQDF data are disclosed herein. A plurality of eigenvectors is identified. Each eigenvector in the plurality of eigenvectors can correspond to a pattern to be recognized. Each eigenvector in the plurality of eigenvectors can be split ... | 12/13/2011 |
| 7844125 | Systems and methods for image pattern recognition Systems and methods for image pattern recognition comprise digital image capture and encoding using vector quantization (“VQ”) of the image. A vocabulary of vectors is built by segmenting images into kernels and creating vectors corresponding to each kernel. Ima... | 11/30/2010 |
| 7738720 | Image distribution apparatus, communication terminal apparatus, and control method thereof An image distribution apparatus divides image data of a single frame into a plurality of blocks, orthogonally transforms the blocks and calculates transformation coefficients, quantizes the calculated transformation coefficients, codes the quantized transformation c... | 06/15/2010 |
| 7729553 | Vector quantizer based on N-dimensional spatial dichotomy A method and system for quantizing a vector corresponding to an input signal is described. The vector has a plurality of components corresponding to an N-dimensional space. In one aspect, the method and system include recursively dividing the space into equal spaces... | 06/01/2010 |
| 7502519 | Systems and methods for image pattern recognition Systems and methods for image pattern recognition comprise digital image capture and encoding using vector quantization (“VQ”) of the image. A vocabulary of vectors is built by segmenting images into kernels and creating vectors corresponding to each kernel. Ima... | 03/10/2009 |
| 7474796 | Quantization and compression of information in a direct acyclic graph A technique wherein the number and position of a quantization parameter node is determined in response to the quantization parameters and a preselected error. The size of scene graph and the corresponding amount of memory required to store the scene graph can be red... | 01/06/2009 |
| 7444030 | Image encoding with dynamic buffer-capacity-level-based compression adjustment Methods, systems, and computer programs for encoding images are described. In one aspect, quantized frequency domain vectors are sequentially generated from a sequence of blocks of the image. Each quantized frequency domain vector includes a set of quantized forward... | 10/28/2008 |
| 7436884 | Method and system for wavelet packet transmission using a best base algorithm A data compression system and method provides a best base searching method to determine the best orthogonal basis function for wavelet-based, data compression. A processing device may receive data signals from a source and wavelet-based data compression may be perfo... | 10/14/2008 |
| 7417772 | Vector error diffusion A vector error diffusion (VED) method employable in cycles with respect to a hi-tonal color printing engine which prints bi-tonal color images in a device output color space. The method generally includes (a) acquiring input color-image data which is characterized w... | 08/26/2008 |
| 7415392 | System for separating multiple sound sources from monophonic input with non-negative matrix factor deconvolution A method and system separates components in individual signals, such as time series data streams. A single sensor acquires concurrently multiple individual signals. Each individual signal is generated by a different source. An input non-negative matrix representing ... | 08/19/2008 |
| 7397962 | Automatic method of identifying image subregions for reuse during datastream transmission A method, system, and computer program product are provided, wherein the bandwidth necessary to transmit an item of image data is reduced. When items of image data are identified in a datastream, they are extracted from the datastream. The image data item is then di... | 07/08/2008 |
| 7391918 | Fixed, variable and adaptive bit rate data source encoding (compression) method According to the invention, quantization encoding is conducted using the probability density function of the source, enabling fixed, variable and adaptive rate encoding. To achieve adaptive encoding, an update is conducted with a new observation of the data source, ... | 06/24/2008 |
| 7391917 | Image processing method Stored digital data is searched for on the basis of an input image, difference information is extracted by comparing the retrieved digital data and the input image, and the difference information is composited to the digital data. Digital data generated by compositi... | 06/24/2008 |
| 7388992 | Digital photographic device for controlling compression parameter of image data and method of deciding compression parameter value of image data This device includes an image data creator that creates a first type of image data for test shooting and creating a second type of image data for real shooting; a compressor that compresses the image data in a predetermined compression format; and a processor; where... | 06/17/2008 |
| 7359569 | Method of reducing a blocking artifact when coding moving picture A method of coding a moving picture is provided that reduces blocking artifacts. The method can include defining a plurality of defining pixels S0, S1, and S2, which are centered around a block boundary. If a default mode is selected... | 04/15/2008 |
| 7352916 | Method of coding artifacts reduction A method to reduce coding artifacts within a discrete decoded picture includes a spatial and/or temporal filtering with respective filter characteristics dependent on an image quality value (Q). Preferably, the spatial filtering includes a deblocking filtering, wher... | 04/01/2008 |
| 7349135 | Time multiplexed image data decompression circuit A circuit which uses a compressor to divide each separation image into 8-line strips, and to independently compress each strip, a single decompressor to decompress two or more color image separations, strip by strip, by interleaving them, and to apply them to two or... | 03/25/2008 |
| 7343046 | Systems and methods for organizing image data into regions The image data is initially processed in a manner that is similar to that used to convert the image data into 3-layer mixed raster content format. After the image data is initially processed through a first stage of the three-layer segmentation process, rather than ... | 03/11/2008 |
| 7343291 | Multi-pass variable bitrate media encoding An encoder uses multi-pass VBR control strategies to provide constant or relatively constant quality for VBR output while guaranteeing (within tolerance) either compressed file size or, equivalently, overall average bitrate. The control strategies include various te... | 03/11/2008 |
| 7340103 | Adaptive entropy encoding/decoding for screen capture content Adaptive entropy encoding and decoding techniques are described. For example, a screen capture encoder and decoder perform adaptive entropy encoding and decoding of palettized screen capture content in screen capture video. The encoder selects between different entr... | 03/04/2008 |
| 7337025 | Neural network based method for exponent coding in a transform coder for high quality audio A method and apparatus for assigning an exponent coding strategy in a digital audio transform coder. Different coding strategies having different differential coding limits may be assigned to different set of transform exponents according to the frequency domain cha... | 02/26/2008 |
| 7328847 | Barcode data communication methods, barcode embedding methods, and barcode systems Barcode data communication methods, barcode embedding methods, and barcode systems are described. According to one embodiment, a barcode data communication method includes accessing a composite image comprising a disguised barcode image incapable of being directly r... | 02/12/2008 |
| 7327340 | Liquid-crystal driving circuit and method A liquid-crystal driving circuit has an image data processor that, for example, encodes the present image, decodes the encoded image, delays the encoded image by one frame interval, decodes the delayed encoded image, and uses the two decoded images to generate compe... | 02/05/2008 |
| 7321624 | Bit-rate allocation system for object-based video encoding A video sequence is encoded, where the video sequence includes a background composite and foreground regions. The video sequence is encoded based on balancing bits per pixel for the background composite with bits per pixel for the foreground regions. ... | 01/22/2008 |
| 7319796 | Adaptive hyperspectral data compression A method is disclosed herein for compressing spectral data corresponding to an image comprising a plurality of pixels. The method includes the step of creating a set of potential endmembers. A first plurality of the potential endmembers are identified as a first set... | 01/15/2008 |
| 7315648 | Digital signal coding with division into tiles A method of dividing a digital signal representing physical quantities, including the step of determining an initial partitioning of the signal, displaying representation of the signal and the previously determined signal partitioning, acquiring at least one partiti... | 01/01/2008 |
| 7315522 | Communication methods using slotted replies An RFID tag population is selected by an interrogator. Each tag of the selected tag population then responds to the interrogator in accordance with a slotted arbitration scheme. According to the slotted arbitration scheme, each tag of the selected tag population pic... | 01/01/2008 |
| 7313282 | Method and apparatus for digital signal processing The present invention is a method and an apparatus for digital signal processing. The method extracts a plurality of data which is not zero or repeated and recognizes a plurality of coordinate data corresponding to the extracted data. The method saves memory space a... | 12/25/2007 |
| 7313287 | Method for digital quantization There is disclosed the use of a beehive cell arrangement of shaped quantization blocks for grouping pixels for the digital approximation of analog video information. A frame may consist of beehive-arranged hexagonal quantization cell blocks or brick-wall-arranged re... | 12/25/2007 |
| 7305140 | System and method for robust image representation over error-prone channels An image distribution system has a source that encodes digital images and transmits them over an error-prone channel to a destination. The source has an image coder that processes the digital images using vector transformation followed by vector quantization. This p... | 12/04/2007 |
| 7305035 | Variable length encoding method and variable length decoding method A variable length coding method is provided for coding coefficients in each block which are obtained by performing frequency transformation on picture data of a moving picture per block having a predetermined size, and includes: a coefficient scanning step of scanni... | 12/04/2007 |
| 7302490 | Media file format to support switching between multiple timeline-altered media streams In a networked client/server system, media content is streamed from a server computer to a client computer. A media file format is used to store data for multiple timeline-altered streams that provides support for switching between the different timeline-altered str... | 11/27/2007 |
| 7302102 | System and method for dynamically switching quality settings of a codec to maintain a target data rate A video compression system includes a compression module to compress each of a plurality of segments of an input signal using an initial quality setting. A rate calculation module calculates, for each compressed segment, a data rate for an output signal that would r... | 11/27/2007 |
| 7302107 | JPEG encoding for document images using pixel classification The invention provides a system and method for JPEG encoding an image that includes variable quantization for each block, depending upon the classification of each block, which is dependent on the classification of pixels in that block. ... | 11/27/2007 |
| 7295702 | Method for segmenting an image A method for isolating an element of an image made up of pixels comprising the steps of classifying the pixels into different groups based on the color value of the pixel, blurring the image, locating a pixel in the blurred image that has a predetermined color value... | 11/13/2007 |
