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US20110267208 ENCODING AND DECODING METHODS AND DEVICES EMPLOYING DUAL CODESETS  
A method for encoding an input sequence of symbols to produce a bitstream and a method of decoding the bitstream to generate a reconstructed binary sequence. Encoding employs an encoding tree...
US20120081241 Methods and Systems for Context Initialization in Video Coding and Decoding  
Aspects of the present invention are related to systems and methods for context model initialization in entropy encoders and decoders.
US20120098682 METHOD AND DEVICE FOR BUFFER-BASED INTERLEAVED ENCODING OF AN INPUT SEQUENCE  
A method for encoding an input sequence of symbols. The method includes, sequentially, for each symbol in the input sequence, determining an estimated probability for that symbol based on a...
US20110210874 METHOD AND DEVICE FOR BUFFER-BASED INTERLEAVED ENCODING OF AN INPUT SEQUENCE  
A method for encoding an input sequence of symbols. The method includes, sequentially, for each symbol in the input sequence, determining an estimated probability for that symbol based on a...
US20130027230 ENTROPY CODING  
An encoder for encoding a sequence of symbols is described which includes an assigner configured to assign a number of parameters to each symbol of the sequence of symbols based on information...
US20110260896 APPARATUS FOR PARALLEL ENTROPY ENCODING AND DECODING  
An entropy encoder block for use in a context adaptive encoder and an entropy decoder block for use in a context adaptive decoder are provided.
US20110122004 METHOD OF DECODING A SIGNAL IMPLEMENTING A PROGRESSIVE CONSTRUCTION OF A DECODING TREE, CORRESPONDING COMPUTER PROGRAM AND DECODING DEVICE  
A method of decoding a data signal includes progressively constructing a decoding tree, implementing at least two iterations of the following steps: selecting at least one child node of a current...
US20120082215 Simplified Binary Arithmetic Coding Engine  
A method of entropy coding in a video encoder is provided that includes assigning a first bin to a first single-probability bin encoder based on a probability state of the first bin, wherein the...
US20140327559 SYSTEMS AND METHODS FOR ORDERING CODEWORDS BASED ON POSTERIOR INFORMATION IN SUCCESSIVE INTERFERENCE CANCELLATION (SIC) RECEIVERS  
Systems and methods are provided for determining a decoding order in a successive interference cancellation receiver. The method includes receiving, using control circuitry, a plurality of...
US20120081242 METHODS AND DEVICES FOR PARALLEL ENCODING AND DECODING USING A BITSTREAM STRUCTURED FOR REDUCED DELAY  
Methods and devices for encoding and decoding that involve sorting bins according to their respective estimated probabilities to form subsequences, each subsequence having an associated estimated...
US20130028334 ADAPTIVE BINARIZATION FOR ARITHMETIC CODING  
The present invention first provides adaptive binarization in which a binarizer outputs binary symbol in length, which is variable adaptively to the probability of the source. When the probability...
US20100310174 EFFICIENT INCREMENTAL CODING OF PROBABILITY DISTRIBUTIONS FOR IMAGE FEATURE DESCRIPTORS  
A method and device for incremental encoding of a type of a sequence is provided. A sequence of symbols is obtained where each symbol is defined within a set of symbols. The type of sequence may...
US20120086587 SYSTEM AND METHOD FOR OPTIMIZING CONTEXT-ADAPTIVE BINARY ARITHMETIC CODING  
A system and method is provided for ordering intervals rLPS and rMPS of a range to increase speed of binary symbol decoding in a binary arithmetic decoder. The method comprises the steps of:...
US20110291867 ENCODING AND DECODING METHODS AND DEVICES USING A SECONDARY CODEWORD INDICATOR  
A method for encoding an input sequence of symbols as a plurality of codewords including primary codewords and secondary codewords, and a method of decoding the plurality of codewords. The...
US20130187798 ENTROPY ENCODING AND DECODING SCHEME  
In PIPE coding, where alphabet symbols are distributed among a plurality of specialized entropy en/decoders according to their probability distribution estimate, a categorizing stage is provided...
US20110200104 PARALLEL ENTROPY CODING AND DECODING METHODS AND DEVICES  
A method for entropy coding data using parallel entropy coders to encode an input sequence as a plurality of encoded subsequences, which are then combined to form an output bitstream. The input...
US20120328026 CONTEXT-ADAPTIVE CODING VIDEO DATA  
In an example, aspects of this disclosure relate to a method of coding data that includes coding a sequence of bins according to a context adaptive entropy coding process. A current coding cycle...
US20120194363 METHODS AND DEVICES FOR LOAD BALANCING IN PARALLEL ENTROPY CODING AND DECODING  
Devices and methods for entropy decoding a bitstream of encoded data by extracting a plurality of encoded subsequences from a payload field of the bitstream for parallel decoding on a set of...
US20080291065 Wyner-Ziv Coding with Multiple Side Information  
A Wyner-Ziv coding scheme jointly utilizes multiple side information at the decoder is described. A new probability model is introduced based on an extended turbo decoding trellis, so that the...
US20120249346 METHOD AND APPARATUS FOR SOFT SYMBOL DETERMINATION  
A method for wireless communication is disclosed that includes selecting a plurality of probabilities for a symbol based on a bit-to-symbol mapping; calculating a conditional mean of the symbol...
US20110254714 METHOD AND APPARATUS FOR SOFT SYMBOL DETERMINATION  
A method for wireless communication is disclosed that includes selecting a plurality of probabilities for a symbol based on a bit-to-symbol mapping; calculating a conditional mean of the symbol...
US20120218131 METHODS FOR ARITHMETIC CODING AND DECODING  
A method for arithmetic coding of symbols in a stream is described. The method comprises the following steps: coding a current symbol with a current probability model, andupdating the current...
US20140191888 ESTIMATOR FOR ESTIMATING A PROBABILITY DISTRIBUTION OF A QUANTIZATION INDEX  
The invention relates to an estimator for estimating a probability distribution of a quantization index generated from a source coder encoding a source signal, into a sequence of quantization...
US20110187565 EFFICIENT RATELESS DISTRIBUTED COMPRESSION OF NON-BINARY SOURCES  
A method, system and computer program product are disclosed for rateless compression of non-binary sources. In one embodiment, the method comprises representing a sequence of non-binary source...
US20100303354 EFFICIENT CODING OF PROBABILITY DISTRIBUTIONS FOR IMAGE FEATURE DESCRIPTORS  
A method for encoding or compressing probability distributions is disclosed. A first mapping of probability distribution of samples to the types from the predefined set of types is generated. A...
US20100195921 Universal Lossy Compression Methods  
The present invention provides methods for universal lossy compression that provide performance at or near the rate-distortion limit and that are based on universal, implementable lossy source...
US20080024335 Local Erasure Map Decoder  
The present invention relates to a method for decoding at least one codeword, the at least one codeword having receive codeword been generated by an encoder comprising a structure providing a code...
US20100007534 ENTROPY DECODER WITH PIPELINED PROCESSING AND METHODS FOR USE THEREWITH  
An entropy decoding module includes a binary arithmetic coding module that generates a bin string by pipeline processing a bit stream, based on a clock signal and based on context model...
US20140077977 Method and Decoder for Reconstructing a Source Signal  
In a method for reconstructing a source signal, which is encoded by a set of at least two descriptions, the method comprises: receiving a subset of the set of descriptions; reconstructing a...
US20110285560 CONTEXT-BASED ADAPTIVE BINARY ARITHMETIC CODING (CABAC) DECODING DEVICE AND DECODING METHOD THEREOF  
A context-based adaptive binary arithmetic coding (CABAC) decoding device and a coding method thereof are provided. The device comprises: a context memory address calculator, calculating an...
US20090146853 Scalable context adaptive binary arithmetic coding  
One embodiment of the invention concerns performing renormalization in content adaptive binary arithmetic coding (CABAC) only after multiple bins are processed.
US20120314760 METHOD AND SYSTEM TO REDUCE MODELLING OVERHEAD FOR DATA COMPRESSION  
A method for decoding compressed data that has been encoded using a context model, each context having a context state corresponding to a probability estimate. Each bin of the data has been...
US20090273491 ARITHMETIC DECODING DEVICE  
Disclosed herein is an arithmetic decoding device including: an arithmetic decoding unit configured to decode coded data resulting from arithmetic coding on a basis of a context variable...
US20050088324 Device for arithmetic decoding/encoding, and device using the same  
An arithmetic decoding device comprises an adaptive arithmetic decoding unit, a context calculating unit, and a decoding control unit. The adaptive arithmetic decoding unit includes an arithmetic...
US20080252498 Coding data using different coding alphabets  
Coding unsigned integer data of a sequence. A plurality of segments of the sequence are identified, wherein a segment of the plurality of segments comprises at least one unsigned integer of the...
US20090058695 ARCHITECTURE FOR MULTI-STAGE DECODING OF A CABAC BITSTREAM  
Techniques for optimizing the Context-based Adaptive Binary Arithmetic Coding (CABAC) bitstream decoding are disclosed. In one configuration, a device has a first processing circuit operative to...
US20100259427 ENTROPY CODING APPARATUS  
An entropy coding apparatus configured to categorize each binarized symbol according to a corresponding bit position and a target arithmetic coding mode, and configured to parallelly perform...
US20130241752 METHODS AND DEVICES FOR CODING AND DECODING THE POSITION OF THE LAST SIGNIFICANT COEFFICIENT  
Methods and devices are described for entropy coding data using an entropy coder to encode quantized transform domain coefficient data. Last significant coefficient information is signaled in the...
US20100097250 Parallel CABAC Decoding for Video Decompression  
A method of video decoding is provided that includes receiving a data stream comprising a sequence of syntax elements that were compressed using context-adaptive binary arithmetic coding (CABAC),...
US20090079601 ENTROPY ENCODING APPARATUS, ENTROPY ENCODING METHOD, AND COMPUTER PROGRAM  
An entropy encoding apparatus comprises: a binarization unit configured to convert an input syntax element into binarized data; a context calculation unit configured to generate a context index; a...
US20080012740 Source-aware non-uniform information transmission with minimum distortion  
A method is provided for transmitting information in a data communication system. The method includes: receiving a codeword having a plurality of bits; mapping more significant bits of the...
US20120182165 Digital to analog converter (DAC) with ternary or tri-state current source  
Digital to analog converter (DAC) with ternary or tri-state current source. A DAC including a number of ternary or tri-state devices operates based upon codewords provided thereto. Generally, each...
US20080266151 Method of CABAC Coefficient Magnitude and Sign Decoding Suitable for Use on VLIW Data Processors  
This invention decodes coefficient magnitudes in compressed video data using a selected context and speculatively decodes a coefficient sign. The next context selection depends upon a number of...
US20100127904 IMPLEMENTATION OF A RAPID ARITHMETIC BINARY DECODING SYSTEM OF A SUFFIX LENGTH  
The present invention relates to a system for the parallel processing of a number of binstream bins comprising: (a) inputs for receiving the codIOffset, the codIRange and the bitstream suffix...
US20080198953 Decoding Method and Decoding Apparatus  
Disclosed herein is a decoding method of performing maximum a posteriori probability (MAP) decoding of selecting one decoded word from one or more decoded word candidates obtained by subjecting a...
US20080246639 Decoding Apparatus and Communications Apparatus  
A decoding apparatus includes a row processing unit 5 and a column processing unit 6 for performing a calculation and an update of probability information with row processing and column processing...
US20090322573 CABAC TYPE ENCODING DEVICE AND METHOD  
An encoding device and method, of CABAC type, for an initial stream of binary digital information intended to generate an outgoing stream to form video images, after decoding, the method included...
US20120133533 Storage of probability values for contexts used in arithmetic coding  
Arithmetic coding utilises probability values associated with contexts and context indexed values. The probability values are stored within a random access memory 6 from where they are fetched to...
US20080267513 Method of CABAC Significance MAP Decoding Suitable for Use on VLIW Data Processors  
This invention decodes a next significance symbol using a selected context. The invention operates in a loop for each symbol decode for a whole block until the number of decoded map elements...
US20090219183 ARITHMETIC DECODING APPARATUS  
Disclosed herein is an arithmetic decoding apparatus that decodes encoded data while updating first and second state variables based on first and second context variables. The first context...

Matches 1 - 50 out of 78 1 2 >