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6996279 |
Compressed storage of data items
Storing of data items in a memory ( 31 ) is provided wherein the data items are divided into successive data pieces of decreasing significance, and the data pieces are stored in respective parts of...
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6992671 |
Method and apparatus for compressing Bezier descriptions of letterforms in outline fonts using vector quantization techniques
Vector quantization provides font contour data reduction. Characters are defined in a font collection using segmented outline forms and common references stored to curve segments for similar...
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6993188 |
Video information processing apparatus and transmitter for transmitting information to the same
A video information processing apparatus includes an input device which inputs video, a memory device which stores identification information corresponding to the blinking pattern of a blinking...
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6993196 |
Digital image storage method
A method of storing a digital image file, includes the steps of: storing a header defined by a standard; storing image data encoded according to the standard after the header; and storing an image...
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6990241 |
Circuit and method for decoding an encoded version of an image having a first resolution directly into a decoded version of the image having a second resolution
An image processing circuit includes a processor that receives an encoded portion of a first version of an image. The processor decodes this encoded portion directly into a decoded portion of a...
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6990246 |
Image coding
An image coding method comprising generating an ordered sequence of coded image data, the sequence beginning with coded data representative of an area of the image having high importance, and...
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6985630 |
Image processing apparatus and method, program and storage medium
To provide an image processing apparatus and method, a program, and a storage medium which enables, in the case where encoded data is generated by encoding image data including mixed multi-level...
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6983072 |
Dark frame subtraction using compression
A method and system for improving the quality of an image in an electronic imaging system is disclosed. The method and system comprise capturing an image frame, capturing a compressed dark frame,...
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6980667 |
Image processing apparatus including an image data encoder having at least two scalability modes and method therefor
An image processing apparatus and method therefor for presenting an image corresponding to the capability of equipment to which an image is supplied, and the needs of users. The apparatus present...
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6980694 |
Picture decoding apparatus, picture decoding method and recording medium for storing the picture decoding method
In a demultiplexer, picture signals of channels included in an input transport stream are separated from each other and supplied to VBV buffers for the respective channels to be stored therein....
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6975680 |
Macroblock mode decision biasing for video compression systems
A method, system, and computer program for coding video frames in a video compression system. One aspect includes automatically scaling coding mode biases as a function of the number of bits of...
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6973217 |
Method and apparatus for sending additional sideband information in a codestream
A method and apparatus for sending additional sideband information in a codestream is described. In one embodiment, the method comprises receiving a JPEG 2000 codestream of compressed image data...
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6970510 |
Method for downstream editing of compressed video
In a MPEG or other video system, editing is performed using “independently coded regions” (ICRs) embedded into an input video signal. These regions facilitate quick editing and formatting of a...
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6965328 |
Apparatus and method for supporting plural codecs
Different video codecs can be integrated or duplicated functions of each codec can be shared. According to an apparatus and method for supporting plural codecs of the present invention, a decoding...
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6965647 |
Robust time domain block decoding
A method for robust time domain block decoding is disclosed. In one embodiment, the method includes receiving a block of transform domain coefficients, detecting errors in one or more transform...
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6963668 |
Method and system for fast image correction
Compressed image files are partially preprocessed to expedite color correction and delivery of color corrected images. Color correction may be accomplished by processing only the luminance channel,...
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6961472 |
Method of inverse quantized signal samples of an image during image decompression
Briefly, in accordance with one embodiment of the invention, a method of inverse quantizing quantized signal samples of an image during image decompression includes the following. A process to...
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6961134 |
Method, system, and logic using multiplexers to select data for pixels from multiple objects
Method, system, and program for processing pixel data. A first and second logic units each receive line work data and control data for pixels on a sheet from at least one object. The control data...
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6959110 |
Multi-mode texture compression algorithm
A multi-mode texture compression algorithm is provided for effective compression and decompression texture data during graphics processing. Initially, a request is sent to memory for compressed...
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6956511 |
Multi-symbol/coefficient decode operation for Huffman codes
Method and apparatus for use in Huffman decoding are described. In exemplary systems, a JPEG Huffman decoder is capable of simultaneously decoding multiple coefficients and/or symbols in a single...
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6956974 |
Image encoder and image decoder
An image encoder/decoder by which a partial image is encoded easily with a resolution meeting the user's demand, wherein the encoded amount of data is not increased and a necessary capacity of...
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6954555 |
Variable length coding unit and variable length decoding unit
A variable length encoding unit includes a run-length converter, a table memory, and a variable length encoder. The run-length converter converts block data consisting of a plurality of image...
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6954554 |
Block coding/decoding method and apparatus for increasing code rate
In a coding method, a (2N−1) st original block of m bits is encoded as an A type weighted block of n bits and a 2N th original block of m bits is encoded as a B type weighted block of n bits....
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6947600 |
Information processing method, apparatus and storage medium for receiving and decoding a code sequence obtained by encoding an image
An entropy decoder receives a code sequence which is obtained by breaking up coefficients that have undergone discrete wavelet transformation into bit planes, and encoding the bit planes, and...
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6944861 |
Program reception/execution apparatus that can commence execution of a machine program having only received the program in part, and a program transmission apparatus that enables such execution
When a program transmission apparatus divides a program into a plurality of partial programs before transmission, a program reception execution apparatus executes a partial program when the partial...
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6940511 |
Graphics texture processing methods, apparatus and computer program products using texture compression, block overlapping and/or texture filtering
A pixel is textured by storing a first texel reference value, a second texel reference value, and texel mapping values where each texel mapping value represents a k-tuple of (ternary) references to...
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6941253 |
Control code read-out system
Embodiments of the present invention include a control code read-out system in which a control code for access restriction corresponding to a playback control code of a recording medium is held in...
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6940909 |
Video decoding during I-frame decode at resolution change
A method of buffering a video signal is disclosed. The method generally includes the steps of (A) storing a plurality of pictures decoded from the video signal having a first resolution in a memory...
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6937769 |
Decoding of digital data
Method of decoding a set of data representing physical quantities, the data previously having been coded by the steps of formation of blocks and coding of these blocks into codeblocks, these...
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6937768 |
Apparatus and method for encoding/decoding image frame
An apparatus and a method of encoding/decoding an input image frame in an image data processing system are disclosed. Using the apparatus and the method of the present invention, a total memory...
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6931065 |
Apparatus and method for motion detection of image in digital video recording system using MPEG video compression
Provided are apparatus and method for precise motion detection in a digital video recording (DVR) system using a Moving Picture Expert Group (MPEG) video compression technique and a...
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6925208 |
Methods and apparatus for partitioning transform data
Transform data is partitioned to more efficiently process requests in a server to transfer source data to a client. The transform data, generated from source data, comprises spatially related...
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6917711 |
Embedded quadtree wavelets in image compression
A new effective and fast method and apparatus for still image compression implements an embedded progressive sorting scheme in a quadtree-like structure. In contrast to zerotree-based methods for...
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6915019 |
Method for combining vector-quantization decoding with color transform or halftoning or both
A method of decompressing image data, includes reception of a VQ encoded image. The received image is decoded. Output image color space processing is performed in combination with the decoding as...
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6915012 |
System and method of storing data in JPEG files
The present invention comprises a system for communicating image data and other data. The system comprises a JPEG file having a JPEG data, at least one non-JPEG data, and a computer. The computer...
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6912320 |
Data decompressing method, data decompressing unit, and computer-readable storage medium storing data decompressing program
Disclosed herein is a method for decompressing compressed data. First, a table is prepared in which the number of bits, consecutively present to the right of the certain bit and having the same...
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6912314 |
Reformatting binary image data to improve compression using byte oriented compression
A system and method for compressing and decompressing image data. The system and method reformats the data by interleaving, before it is sent to the compressor. The step of interleaving uses raster...
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6909746 |
Fast robust data compression method and system
A video compression process speeds the optimal choice of quantizers for compressing a data stream by setting up the optimization problem as a path-optimization problem in configuration space and...
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6909809 |
Decoding method using plus and/or minus rounding of images
An image decoding method is utilized to obtain high quality images without error accumulation. Such an image decoding method comprises receiving an encoded bitstream including information of P and...
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6909751 |
Device jointly implementing a post-processing and a decoding of data
The present invention relates to a device for processing blocks of coded data included in a sequence of coded digital images (ES) according to a block-based coding technique, said device comprising...
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6907079 |
Deblocking filter conditioned on pixel brightness
An encoder, decoder, and corresponding method are disclosed for encoding pixel data as a plurality of block transform coefficients and decoding encoded block transform coefficients to provide...
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6904172 |
Coding device and method, and decoding device and method
Conventionally, to code a digitized image signal, a corresponding quantity of information is allocated to an edge part for carrying out coding, and therefore reduction in the quantity of...
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6895122 |
Method and system for determining DCT block boundaries
The horizontal and vertical offset for the M×N DCT block boundaries are determined for a decompressed image originally produced by a DCT-based compression system, regardless of the amount of...
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6895101 |
System and method for embedding information in digital signals
A lossless, reversible data embedding technique uses a generalization of least-significant-bit modification. The portions of the signal that are susceptible to embedding distortion are compressed...
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6895119 |
Method and apparatus for decoding compressed image data and capable of preventing error propagation
In a method and apparatus for decoding an image data block having multiple data lines compressed into codeword streams, when one of multiple different code types and a line-end code, which are...
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6891547 |
Multimedia data decoding apparatus and method capable of varying capacity of buffers therein
A multimedia data decoding apparatus to decode multimedia data and method thereof includes a data information extracting unit extracting detail information from the multimedia data. An input...
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6885774 |
Coefficient computation in image compression using set partitioning in hierarchical trees
An improved method is disclosed for the encoding phase for Wavelet-based compression of digital data representing an object or image. Subband decomposition transforms the data into hierarchical...
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6882751 |
Arithmetic decoding method and device and storage medium
An arithmetic decoding method and apparatus process both binary image data and multi-level image data. When 4-bit image data is decoded, four complete sets of pairs of a more probable symbol and a...
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6879417 |
Color image processing apparatus that performs color conversion processing
When a first mode is designated, an RGB image signal obtained by reading an image is compressed, decoded and stored. After that, the resultant signal is converted into a CMYK image signal on the...
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6879725 |
Method, system, and program for decoding a section from compressed data
Provided is a method, system, program, and data structure for decompressing a compressed data stream whose decoded output comprises lines of two-dimensional data or other data whose decoding...
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