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7619545 |
Systems and methods of using application and protocol specific parsing for compression
Systems and methods of storing previously transmitted data and using it to reduce bandwidth usage and accelerate future communications are described. By using algorithms to identify long...
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7616138 |
Data compression using a stream selector with edit-in-place capability for compressed data
A method for encoding an input file into an output file that is compressed so that the number of bits required to represent the output file is less than the number of bits of the input file. The...
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7616136 |
Message compression methods and systems
A method for message compression comprises receiving a first text message, acquiring at least one frequent character combination in the first text message, calculating frequencies for the frequent...
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7616133 |
Data bus inversion apparatus, systems, and methods
Apparatus, systems, and methods are disclosed such as those that operate to encode data bits transmitted on a plurality of channels according to at least one of multiple Data Bus Inversion (DBI)...
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7612695 |
Determination of compression state information for use in interactive compression
The invention is directed at a method and apparatus for determining compression state information which is to be used in the compression of data being transmitted between two communicating parties....
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7612694 |
Efficient coding of small integer sets
Techniques for coding integer sets are described herein. According to one embodiment, for each data range of parameters to be encoded, a number of bits required to represent a maximum parameter...
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7612693 |
Difference coding adaptive context model
Techniques for improving encoding and decoding data are described herein. According to one embodiment, in response to a symbol retrieved from an input stream having a sequence of symbols, it is...
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7612692 |
Bidirectional context model for adaptive compression
Techniques for improving encoding and decoding data are described herein. According to one embodiment, in response to a symbol retrieved from an input stream having a sequence of symbols, it is...
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7612691 |
Encoding and decoding systems
Methods and systems enable uncompressed source data, corresponding to previously-compressed data, to be manipulated or otherwise modified, prior to being rendered by a rendering application. For...
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7609722 |
Method and apparatus for transmitting and receiving compressed frame of data over a wireless channel
A transmitting apparatus and method is described that determines, on a frame-by-frame basis, whether to transmit a compressed frame or a non-compressed frame, depending upon whether the compressed...
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7609182 |
Generating dynamic huffman codes
Huffman trees may be rapidly and effectively created by sorting a plurality of nodes by weight in an insertion sorter stack, popping the two lowest weighted nodes from the insertion sorter stack,...
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7609179 |
Method for compressed data with reduced dictionary sizes by coding value prefixes
The speed of dictionary based decompression is limited by the cost of accessing random values in the dictionary. If the size of the dictionary can be limited so it fits into cache, decompression is...
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7607073 |
Methods, algorithms, software, circuits, receivers and systems for iteratively decoding a tailbiting convolutional code
Methods, software, circuits and systems involving a low complexity, tailbiting decoder. The method relates to appending and/or prepending data subblocks to a serial data block, decoding and...
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7605723 |
Circuits and methods for implementing mode selection in multiple-mode integrated circuits
Mode selection circuitry selects one of a plurality of operational modes supported by an integrated circuit by detecting a selected connection between a first terminal of the integrated circuit and...
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7605721 |
Adaptive entropy coding compression output formats
The performance (compression ratio) of an entropy coding compressor can be improved by separating its output into two streams: encoded output symbols compressed according to a probability model,...
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7602319 |
Image decoding apparatus and decoding method
An image decoding apparatus having: a table selection controller configured to output a syntax selection signal which selects one of a prefix, a suffix, and a syntax; a variable length code...
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7602317 |
Data encoding and decoding using Slepian-Wolf coded nested quantization to achieve Wyner-Ziv coding
A system and method for realizing a Wyner-Ziv encoder may involve the following steps: (a) apply nested quantization to input data from an information source in order to generate intermediate data;...
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7598891 |
Data development device and data development method
A data development device includes an LZ77 development part expanding data by referring to a dictionary including previous development result when data same to previous data is output, a PNG...
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7592936 |
Input distribution determination for denoising
A denoising process or system uses convex optimization to determine characteristics of a clean signal. In one embodiment, a noisy signal that represents a set of symbols can be scanned to determine...
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7592935 |
Information retrieval architecture for packet classification
An information retrieval architecture for performing a multi-dimensional search for a lookup value associated with a set of input values, the set of input values organized into one or more fields,...
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7587526 |
Endianness independent data structures
Embedding endianness information within data and sending and receiving data with the embedded endianness information. Data may be contained in a data structure. To embed endianness information in a...
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7586426 |
Image coding apparatus and method thereof
An image coding apparatus includes a variable length coding section, an arithmetic coding section and a common buffer memory. The variable length coding section inputs image data and outputs a...
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7586424 |
Data coding using an exponent and a residual
A method of coding audio and/or video data. A data symbol may be coded using an exponent and a residual, in which the exponent is coded using a variable length code, such as but not limited to a...
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7583207 |
Logic circuit
A logic circuit that executes a prescribed arithmetic processing includes a decoder that converts one or more binary input data into a first plurality of bit data of a constant hamming weight...
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7580642 |
Modulation scheme for tedons
A system and method for increasing transmission distance and/or transmission data rates using tedons and an encoding scheme to reduce the number of ones in a data signal is described. For example,...
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7580470 |
Apparatus for recovering E8-VSB map information and method thereof
A Kerdock decoder of the present invention generates correlation reliability from a relation between correlation values to output together with a Kerdock-decoded map data. A map deciding unit...
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7580429 |
System and methods for improving data compression
An improved data compression system and method is disclosed. The data compression method uses smaller fixed bit words to represent streams of digital data. The fixed bit words are sent instead of...
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7576663 |
Inline audio/visual conversion
A system, method, and apparatus for inline audio/visual conversion are described. Power to an inline converter is provided over the A/V cable that couples the converter to a destination such as a...
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7573405 |
System updating accumulated statistics coding variable values after multiple encodings
A system for, and method of, entropy coding. In one embodiment, the system includes: (1) a memory configured to contained initialized accumulated statistics coding variable values and (2) a...
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7571552 |
Scale reading apparatus
Scale reading apparatus having a scale and readhead moveable relative to one another. The scale has a first incremental scale pattern with a fine pitch and a second incremental scale pattern with a...
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7570180 |
Method for syntactically analyzing a bit stream using a schema and a method of generating a bit stream based thereon
A method and apparatus for transforming a description of an encoded bit stream is described. The encoded bit stream comprises data packets and the description is written in a markup language such...
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7564383 |
Compression ratio of adaptive compression algorithms
The performance (compression ratio) of an entropy coding compressor can be improved by separating its output into two streams: encoded output symbols compressed according to a probability model,...
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7564378 |
Data encoding/decoding method and related device capable of lowering signal power spectral density
A data encoding and decoding method capable of lowering signal power spectral density for a binary data transmission system is disclosed. The data encoding method includes receiving binary data,...
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7561074 |
Method and system for generating high definition multimedia interface (HDMI) codewords using a TMDS encoder/decoder
Systems and methods for processing information are disclosed. The method may include creating a first symbol from a codeword. One or more of a TERC4 symbol, a TMDS symbol and/or a guard band symbol...
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7557738 |
Text encoding system and method
The invention provides a method of encoding a binary data message for transmission over a data network. The method comprises allocating consecutive six bit sequences from the binary data message to...
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7548652 |
Rapid comparison of similar data strings
A comparison routine for comparing two data strings includes pre-processing, copying letters and digits into local buffers, comparing the contents of the local buffers using a left-to-right,...
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7538697 |
Heuristic modeling of adaptive compression escape sequence
Techniques for improving encoding and decoding data are described herein. According to one embodiment, buffering an initial chunk of an input stream. A number of escape tokens that would be emitted...
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7538696 |
System and method for Huffman decoding within a compression engine
An apparatus to implement Huffman decoding in an INFLATE process in a compression engine. An embodiment of the apparatus includes a bit buffer, a set of comparators, and a lookup table. The bit...
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7538695 |
System and method for deflate processing within a compression engine
An apparatus to implement a deflate process in a compression engine. An embodiment of the apparatus includes a hash table, a dictionary, comparison logic, and encoding logic. The hash table is...
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7538694 |
Network device with improved storage density and access speed using compression techniques
A network device, also referred to as the Compression Enhanced Network Processor (CENP), with embedded parallel (or fast serial) compression and/or decompression capability. The network device may...
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7538693 |
Method and apparatus for updating decoder configuration
A method of and apparatus for updating decoding information are provided. A method of transmitting media data includes generating a media stream including one or more media data items, one or more...
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7535385 |
Time base adjustment in a data processing device
A data processing device and adjusting method for adjusting the timing of a higher-rate stream of second data samples derived from a lower-rate stream of first data samples are described. A...
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7535383 |
Methods and systems for signaling multi-layer bitstream data
Aspects of the present invention relate to systems, methods and devices for signaling layer characteristics of multi-layer video sequences and for employing these signals in encoding, decoding and...
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7532133 |
Methods and apparatuses for generating and recovering 3D compression data
A method of generating three-dimensional (3D) compression data, and an apparatus to perform the method, the method including generating configuration information of the 3D compression data;...
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7528749 |
Decoding apparatus and decoding method
A decoding apparatus for arithmetically decoding input coded data into symbol data by using a state variable and a context variable includes: a first decoding unit executes arithmetic decoding...
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7525463 |
Compression rate control system and method with variable subband processing
A system, method and computer program product provide finer rate control in data compression by processing a data stream through a plurality of parallel subbands, wherein a first subband processes...
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7525456 |
Methods for adaptively selecting entropy encoding modes
The presently preferred methods of the present invention take advantage of the syntax structure of H.264 and adaptively switch the entropy coding mode between CABAC and CAVLC. In those profiles of...
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7522076 |
Parallel context adaptive binary arithmetic coding
A method for performing parallel processing of at least two bins in an arithmetic coded bin stream includes: utilizing a current range to calculate a range for a first bin in the bin stream;...
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7522075 |
Encoding and decoding alphanumeric data
Information, such as ticket information is encoded, for transmission of the encoded information to a device that can display the encoded information as visible alphanumeric characters. Original...
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7522071 |
Metric sampling method
An arbitrary metric stream is processed initially at an interim sampling rate to derive a plurality of samples. The samples are analyzed preferably to determine an estimate of the effective...
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