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US20130279820 Method for Coding Pictures Using Hierarchical Transform Units  
A bitstream includes coded pictures, and split-flags for generating a transform tree. The bit stream is a partitioning of coding units (CUs) into Prediction Units (PUs). The transform tree is...
US20120308148 ENCODING/DECODING METHOD AND APPARATUS USING A TREE STRUCTURE  
The present disclosure provides an encoding/decoding method using a tree structure. The encoding method for encoding image information includes: grouping predetermined areas having the image...
US20130272622 EFFICIENT CONTENT COMPRESSION AND DECOMPRESSION SYSTEM AND METHOD  
A content compression/compression system and method are disclosed in which a pre-processing step is performed before any compression and a post-processing step is performed once a compressed piece...
US20120314948 MULTIPLE DESCRIPTION CODING WITH PLURAL COMBINED DIVERSITY  
An apparatus, system, and method utilizing multi-description coding (MDC) for multimedia content with a plurality of forms of diversity. A source scene can be fragmented into one or more region of...
US20120183236 FAST IMPLEMENTATION OF CONTEXT SELECTION OF SIGNIFICANCE MAP  
A fast implementation context selection of a significance map includes caching the significance of each coefficient in a buffer, storing an extended significance map in an extended buffer and...
US20120251015 DECODING METHOD, DECODING APPARATUS, CODING METHOD, AND CODING APPARATUS  
A decoding method includes: obtaining a plurality of quantization parameter sets from a header of a coded stream (S400); parsing an identifier from a header of a coded picture included in the...
US20140037221 CODING ARTIFACTS REMOVING METHOD, CODING METHOD, DECODING METHOD, CODING ARTIFACTS REMOVING APPARATUS, CODING APPARATUS, AND DECODING APPARATUS  
A method of removing coding artifacts in first and second processed edges that are processed edges in an image signal and in different directions includes: determining, based on at least pixel...
US20130301944 ENTROPY CODING METHOD USING AN INDEX MAPPING TABLE, AND IMAGE-ENCODING/DECODING APPARATUS AND METHOD USING SAID ENTROPY CODING METHOD  
Disclosed is an entropy coding method using an index mapping table, and an apparatus using the method. An imagedecoding method comprises: a step of mapping an inputted codeword to a code number...
US20130094776 METHOD FOR CODING AND AN APPARATUS  
The disclosure relates to encoding and decoding image information. The encoding comprises receiving a block of pixels; determining a set of potential reference samples for the block of pixels;...
US20110176739 Pixel Block Processing  
A compressed pixel block (400) is decompressed by defining multiple available property values. At least one reference point relative the pixel block (300) is identified based on a reference...
US20100092098 REDUCED DC GAIN MISMATCH AND DC LEAKAGE IN OVERLAP TRANSFORM PROCESSING  
In certain embodiments, overlap operators are applied during encoding and/or decoding of digital media, where the overlap operators have reduced DC gain mismatch and/or DC leakage between interior...
US20150086124 METHOD AND APPARATUS FOR DETERMINING OFFSET VALUES USING HUMAN VISUAL CHARACTERISTICS  
A method of determining an offset includes dividing a current image into a plurality of blocks, determining a category of pixels in each of the plurality of blocks based on values of neighboring...
US20140010469 PICTURE ENCODING AND DECODING METHOD, PICTURE ENCODING AND DECODING DEVICE AND NETWORK SYSTEM  
A picture encoding and decoding method, a picture encoding and decoding device and a network system are provided, in which, the picture encoding method includes: determining a prediction block...
US20150003751 PICTURE CODING APPARATUS, PICTURE CODING PROGRAM, PICTURE DECODING APPARATUS, AND PICTURE DECODING PROGRAM  
A temporary prediction mode determining unit temporarily determines a prediction mode used to code a coding target pixel, based on a relation between the decoded value of a locally decoded pixel...
US20090060038 Encoding device and encoding method and decoding device and decoding method  
An encoding device including a calculation result storage unit adapted to store information based on a result of a difference calculation of the differential encoding along with information on a...
US20130142428 LOW-LATENCY REMOTE DISPLAY RENDERING USING TILE-BASED RENDERING SYSTEMS  
Apparatus, systems and methods for low latency remote display rendering using tile-based rendering systems are disclosed. In one implementation, a system includes a network interface and a content...
US20120294543 SYSTEM AND METHODS OF COMPRESSED SENSING AS APPLIED TO COMPUTER GRAPHICS AND COMPUTER IMAGING  
Compressed sensing can be mapped to a more general set of problems in computer graphics and computer imaging. Representation of a rendered scene in the formulation y=Âx produces higher-quality...
US20130343662 MOVING PICTURE ENCODING APPARATUS, MOVING PICTURE ENCODING METHOD, AND MOVING PICTURE ENCODING PROGRAM, AND MOVING PICTURE DECODING APPARATUS, MOVING PICTURE DECODING METHOD, AND MOVING PICTURE DECODING PROGRAM  
A prediction mode selection unit selects, before a pixel subject to encoding is encoded, a prediction mode used to encode the pixel subject to encoding, using a local decoded value of a pixel on a...
US20130094774 TRACKING A REFERENCE PICTURE BASED ON A DESIGNATED PICTURE ON AN ELECTRONIC DEVICE  
A method for tracking a reference picture on an electronic device is described. The method includes receiving a bitstream. The method also includes decoding a portion of the bitstream to produce a...
US20130094773 TRACKING A REFERENCE PICTURE BASED ON A DESIGNATED PICTURE ON AN ELECTRONIC DEVICE  
A method for tracking a reference picture on an electronic device is described. The method includes receiving a bitstream. The method also includes decoding a portion of the bitstream to produce a...
US20130094772 TRACKING A REFERENCE PICTURE BASED ON A DESIGNATED PICTURE ON AN ELECTRONIC DEVICE  
A method for tracking a reference picture on an electronic device is described. The method includes receiving a bitstream. The method also includes decoding a portion of the bitstream to produce a...
US20120063692 APPARATUS AND METHOD FOR MULTILAYER PICTURE ENCODING/DECODING  
Provided is a multilayer picture encoding/decoding apparatus and method for reducing a dynamic range of residual pictures occurring in enhancement layers. The multilayer picture encoding method...
US20130034308 PICTURE CODING METHOD AND PICTURE DECODING METHOD  
The method includes the following units: a coefficient number detecting unit (109) for detecting the number of coefficients which has a value other than 0 for each block according to the generated...
US20110299788 IMAGE ENCODING AND DECODING DEVICE  
A picture encoding device (100) may include a unit (110) for selecting a division method of a target region from among a plurality of division methods, and a unit (104) for dividing the target...
US20110206288 IMAGE ENCODING/DECODING SYSTEM USING GRAPH BASED PIXEL PREDICTION AND ENCODING SYSTEM AND METHOD  
Provided are an image encoding/decoding system and method using a graph-based pixel prediction, and a depth map encoding system and method. The encoding system may generate an edge map based on a...
US20070122045 SYSTEM FOR SCALING A PICTURE UNIT FROM A FIRST VIDEO RESOLUTION FORMAT TO A SECOND VIDEO RESOLUTION FORMAT  
A system for scaling a picture unit from a first video resolution format to a second video resolution format, the picture unit being encoded utilizing a specific encoding scheme, is disclosed. The...
US20150071558 Entropy Coding for Recompression of Images  
A code is received. The code conveys data about a quantized coefficient that corresponds to a pixel of an image file. A decoding mode and a version of a code mapping format for decoding the...
US20140064628 ENTROPY CODING FOR RECOMPRESSION OF IMAGES  
A code is received. The code conveys data about a quantized coefficient that corresponds to a pixel of an image file. A decoding mode and a version of a code mapping format for decoding the...
US20130077871 Methods and Apparatus for Determining Quantization Parameter Predictors from a Plurality of Neighboring Quantization Parameters  
Methods and apparatus are provided for determining quantization parameter predictors from a plurality of neighboring quantization parameters. An apparatus includes an encoder for encoding image...
US20150023609 METHOD AND APPARATUS FOR DECODING A PROGRESSIVE JPEG IMAGE  
A progressive JPEG (joint photographic experts group) decoder is disclosed. The progressive JPEG decoder includes a processing unit that receives a plurality of progressive scans and generates a...
US20120183234 METHODS FOR PARALLELIZING FIXED-LENGTH BITSTREAM CODECS  
Bi-directional bitstream ordering is able to be used for expedited processing. The first part of the bitstream is coded in a standard format, but the end of the bitstream is coded in reverse...
US20080317364 Methods for determining neighboring locations for partitions of a video stream  
This invention describes methods for pre-computing neighboring locations for partitions in a video stream and for placing those pre-computed neighboring locations into a table for later retrieval...
US20120093425 ENTROPY ENCODING/DECODING METHOD AND APPARATUS FOR HIERARCHICAL IMAGE PROCESSING AND SYMBOL ENCODING/DECODING APPARATUS FOR THE SAME  
Entropy decoding, after encoding, includes performing symbol decoding on a bitstream of a received residual picture in units of two, three, or four symbols according to a context model which is...
US20130188882 DECODING A PICTURE BASED ON A REFERENCE PICTURE SET ON AN ELECTRONIC DEVICE  
A method for decoding a picture on an electronic device is described. The method includes obtaining a bitstream. The method also includes obtaining a current picture. The method further includes...
US20110091120 METHODS AND APPARATUS FOR TEXTURE COMPRESSION USING PATCH-BASED SAMPLING TEXTURE SYNTHESIS  
Methods and apparatus are provided for texture compression using patch-based sampling texture synthesis. An apparatus includes an encoder for encoding texture for a picture by synthesizing the...
US20100266216 PROGRESSIVE MESH DECODING APPARATUS AND METHOD  
A progressive mesh decoding apparatus, a progressive mesh decoding method and a computer readable recording medium using the same are provided. In the progressive mesh decoding method, a first...
US20150055882 VEXTEX CORRECTION METHOD AND APPARATUS FOR ROTATED THREE-DIMENSIONAL (3D) COMPONENTS  
A 3D model can be modeled using pattern-instance representation, wherein an instance component may be represented as transformation (for example, rotation, translation, and scaling) of a pattern....
US20060222247 Hardware implementation of inverse scan for a plurality of standards  
Presented herein are hardware implementations for inverse scanning for a plurality of standards. In one embodiment, there is presented a system for decoding video data. The system comprises an...
US20070116371 Decoding apparatus, inverse quantization method, and computer readable medium  
A decoding apparatus includes a classification section, a distribution-information generation section and an inverse-quantization-value generation section. The classification section classifies...
US20100296746 Prediction-Based Image Processing  
A pixel block (300) is compressed by selecting a start depth value and a restart depth value based on the multiple depth values of the pixels (310-318) in the block START (300). A respective plane...
US20090136145 Editing Apparatus, Editing Method, Editing Program, and Editing System  
An editing process is to be properly performed for video data that have been compression-encoded using inter-frame compression. Identification information that identifies a device that has...
US20100054613 Methods and devices for coding and decoding, a telecommunication system and computer program implementing them  
The method of coding a multidimensional digital signal, said signal comprising a plurality of samples denoted “initial”, characterized in that it comprises: —a step of determining at least one...
US20120281915 DECODING SYSTEM AND METHOD OPERABLE ON ENCODED TEXTURE ELEMENT BLOCKS  
A decoding system comprises N different decoders each having a unique circuitry that is different from the circuitries of the other N−1 decoders. The decoders each generate at least one texel...
US20140286586 METHOD AND APPARATUS FOR ENCODING AND DECODING IMAGE BY USING LARGE TRANSFORM UNIT  
A method of decoding an image includes performing entropy-decoding to obtain quantized transformation coefficients of at least one transformation unit in a coding unit of the image, determining a...
US20140093181 COMPRESSOR, DRIVING DEVICE, AND DISPLAY DEVICE  
A compressor includes a memory storing a de-compression pixel value de-compressed after a pixel value is compressed, a direct compression unit compressing a pixel value corresponding to a...
US20130266232 ENCODING DEVICE AND ENCODING METHOD, AND DECODING DEVICE AND DECODING METHOD  
The present technology relates to an encoding device and encoding method, and a decoding device and decoding method, whereby encoding efficiency when performing intra prediction can be improved. A...
US20140023285 DECODER PERFORMANCE THROUGH QUANTIZATION CONTROL  
A codec includes an encoder having a quantization level generator that defines a quantization level specific to a block of values (e.g., transform coefficients), a quantizer that quantizes the...
US20140023284 DECODER PERFORMANCE THROUGH QUANTIZATION CONTROL  
A codec includes an encoder having a quantization level generator that defines a quantization level specific to a block of values (e.g., transform coefficients), a quantizer that quantizes the...
US20060067582 Progressive JPEG decoding system  
An apparatus and a method for efficient decoding progressive JPEG bitstreams are invented. This invention provides a memory-efficient progressive JPEG decoding method with minimal memory...
US20130230096 METHODS FOR ENCODING AND DECODING AN IMAGE, AND CORRESPONDING DEVICES  
A method for encoding at least one frame comprising a plurality of blocks of pixels, each block having a block type, includes the steps of: transforming pixel values for a block among said...