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US20130272423 TRANSFORM COEFFICIENT CODING  
Techniques are described for determining a scan order for transform coefficients of a block. The techniques may determine context for encoding or decoding significance syntax elements for the...
US20130182772 DETERMINING CONTEXTS FOR CODING TRANSFORM COEFFICIENT DATA IN VIDEO CODING  
In one example, a device for coding video data includes a video coder configured to determine a context for coding a transform coefficient of a video block based on a region of the video block in...
US20120230418 CODING OF TRANSFORM COEFFICIENTS FOR VIDEO CODING  
This disclosure describes techniques for coding transform coefficients associated with a block of residual video data in a video coding process. Aspects of this disclosure include the selection of...
US20050002457 Video coding using bit-plane coding based on significance of neighboring samples  
A video encoding system and method utilizes a three-dimensional (3-D) wavelet transform and entropy coding that utilize motion information in a way to reduce the sensitivity to motion. In one...
US20130016789 CONTEXT MODELING TECHNIQUES FOR TRANSFORM COEFFICIENT LEVEL CODING  
In one embodiment, a method for encoding video data is provided that includes receiving a transform unit comprising a two-dimensional array of transform coefficients and processing the transform...
US20130003857 METHODS AND SYSTEM FOR USING A SCAN CODING PATTERN DURING INTER CODING  
A method for processing a block of transform coefficients during inter coding includes receiving, during inter coding, an N×M block of transform coefficients, wherein N is a row width of the block...
US20130003838 Lossless Coding and Associated Signaling Methods for Compound Video  
An apparatus used in video encoding comprising a processor configured to receive a video frame, select at least one region in the video frame, bypass a quantization step in encoding of the at...
US20130215970 METHOD AND APPARATUS FOR LAST COEFFICIENT GROUP POSITION CODING  
A method, apparatus, article of manufacture, and a memory structure for encoding and decoding transform unit coefficients is disclosed. In one embodiment, the encoding of the transform unit...
US20130083856 CONTEXTS FOR COEFFICIENT LEVEL CODING IN VIDEO COMPRESSION  
This disclosure describes techniques for coding video data. In particular, this disclosure describes techniques for entropy coding of residual transform coefficients generated by a video coding...
US20130003856 MODE-DEPENDENT TRANSFORMS FOR RESIDUAL CODING WITH LOW LATENCY  
An apparatus and method for processing video data are provided. The method includes determining a primary transform CN for application to residual data at the encoder, determining a secondary...
US20120195374 NONLINEAR, IN-THE-LOOP, DENOISING FILTER FOR QUANTIZATION NOISE REMOVAL FOR HYBRID VIDEO COMPRESSION  
A method and apparatus is disclosed herein for using an in-the-loop denoising filter for quantization noise removal for video compression. In one embodiment, the video encoder comprises a...
US20060285590 Nonlinear, prediction filter for hybrid video compression  
A method and apparatus for non-linear prediction filtering are disclosed. In one embodiment, the method comprises performing motion compensation to generate a motion compensated prediction using a...
US20050117647 Method and apparatus for scalable video encoding and decoding  
A method and apparatus for scalable video and decoding are provided. A method for video coding includes eliminating temporal redundancy in constrained temporal level sequence from a plurality of...
US20050047509 Scalable video coding and decoding methods, and scalable video encoder and decoder  
Scalable video coding and decoding methods, a scalable video encoder, and a scalable video decoder. The scalable video coding method includes receiving a GOP, performing temporal filtering and...
US20140079135 PERFORMING QUANTIZATION TO FACILITATE DEBLOCKING FILTERING  
A method of encoding video data includes encoding a quantization parameter delta value in a coding unit (CU) of the video data before coding a version of a block of the CU in a bitstream so as to...
US20130003837 METHODS AND SYSTEM FOR USING A SCAN CODING PATTERN DURING INTRA CODING  
A method for processing a block of transform coefficients during intra coding includes receiving an N×M block of transform coefficients, wherein N is a row width of the block and M is a column...
US20050117640 Method and apparatus for scalable video encoding and decoding  
Disclosed is a scalable video coding algorithm. A method for video coding includes temporally filtering frames in the same sequence to a decoding sequence thereof to remove temporal redundancy,...
US20050025239 Video coding device and video decoding device  
A video coding device capable of adaptively processing input video data according to property of the data and realizing effective progressive transmission of the coded data even if image...
US20130051472 Quality Scalable Video Data Stream  
An apparatus for generating a quality-scalable video data stream includes a coder for coding a video signal using block-wise transformation to obtain transform blocks of transformation coefficient...
US20130003858 Simplified Context Selection For Entropy Coding of Transform Coefficient Syntax Elements  
A method for entropy encoding syntax elements of transform coefficient levels in a video encoder to generate a compressed video bit stream is provided that includes selecting a context for a first...
US20060104354 Multi-layered intra-prediction method and video coding method and apparatus using the same  
A video coding method using a multi-layer structure, and more particularly, a method and apparatus for facilitating a search for an intra-prediction mode in an upper layer using an...
US20050169371 Video coding apparatus and method for inserting key frame adaptively  
A method of adaptively inserting a key frame according to video content to allow a user to easily access a desired scene. A video encoder includes a coding mode determination unit receiving a...
US20170171546 METHOD AND APPARATUS FOR DIAGONAL SCAN AND SIMPLIFIED CONTEXT SELECTION FOR PARALLEL ENTROPY CODING OF SIGNIFICANCE MAP OF TRANSFORM COEFFICIENTS  
A method and apparatus for encoding bit code utilizing context dependency simplification to reduce dependent scans. The method includes retrieving at least one 2 dimensional array of transform...
US20170041635 ARITHMETIC ENCODING DEVICE, ARITHMETIC DECODING DEVICE, ARITHMETIC ENCODING METHOD, AND ARITHMETIC DECODING METHOD  
The amount of processing is reduced with high coding efficiency maintained. There is provided an arithmetic decoding device including syntax decoding means for decoding each of at least a first...
US20130028329 DEVICE AND METHODS FOR SCANNING RECTANGULAR-SHAPED TRANSFORMS IN VIDEO CODING  
Devices and methods that allow for applying a wavefront scan to rectangular transform blocks are described herein. Such devices and methods may allow greater efficiencies for entropy coding by...
US20110249754 VARIABLE LENGTH CODING OF CODED BLOCK PATTERN (CBP) IN VIDEO COMPRESSION  
In one example, this disclosure describes method of coding video data. The method comprises coding a block of video data as one or more luminance blocks of transform coefficients and one or more...
US20060268982 Apparatus and method for image encoding and decoding  
Provided is an apparatus and method for video encoding and decoding, in which video encoding and decoding are performed using blocks of a predetermined shape that increases the number of adjacent...
US20060078049 Method and system for entropy coding/decoding of a video bit stream for fine granularity scalability  
A method, program product and device for encoding and/or decoding video data can include treating coefficients in the enhancement layer corresponding to a non-zero coefficient in the base layer...
US20050175096 Apparatus and method for allocating bits temporaly between frames in a coding system  
A method and apparatus for temporally allocating bits between frames in a coding system such that temporal fluctuations are smoothed out. Namely, a picture quality is monitored on a frame by frame...
US20050169379 Apparatus and method for scalable video coding providing scalability in encoder part  
A method and apparatus for scalable encoding providing scalability in an encoder. The scalable video encoding apparatus includes a mode selector that determines a temporal filtering order of a...
US20140161194 VIDEO ENCODING METHOD AND APPARATUS AND VIDEO DECODING METHOD AND APPARATUS, BASED ON HIERARCHICAL CODED BLOCK PATTERN INFORMATION  
A method and apparatus for decoding video and a method and apparatus for encoding video are provided. The method for decoding video includes: receiving and parsing a bitstream of encoded video;...
US20130294524 TRANSFORM SKIPPING AND LOSSLESS CODING UNIFICATION  
An example method includes determining whether an encoded block of residual video data was encoded losslessly in accordance with a lossless coding mode, based on whether transform operations were...
US20130195177 METHOD AND DEVICE FOR THE TRANSFORMATION AND METHOD AND DEVICE FOR THE REVERSE TRANSFORMATION OF IMAGES  
An image transforming method, an image transforming apparatus, an image inverse-transforming method, and an image inverse-transforming apparatus are provided. The image transforming method...
US20130188728 COMPLEXITY REDUCTION OF SIGNIFICANCE MAP CODING  
The complexity of coding a significant_coeff_flag in video coding such as High Efficiency Video Coding (HEVC) is able to be reduced using the same mapping to select luma and chroma contexts for...
US20130101047 CONTEXT REDUCTION OF SIGNIFICANCE MAP CODING OF 4X4 AND 8X8 TRANSFORM COEFFICIENT IN HM4.0  
Reducing contexts of a significance map includes merging some of the adjacent partitions of the higher frequency transform coefficients into one partition so that the significance of the...
US20110206118 Data Compression for Video  
The present invention provides an encoded bitstream and corresponding decoder. An encoded bit stream of compressed video data represents a plurality of successive video frames with each frame...
US20100086045 VIDEO ENCODING/DECODING METHOD AND APPARATUS  
A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one...
US20100080301 VIDEO ENCODING/DECODING METHOD AND APPARATUS  
A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one...
US20060093038 Encoding of video cross-fades using weighted prediction  
A video encoder and method are provided for encoding video signal data for at least one cross-fade picture disposed between a fade-out start picture and a fade-in end picture, where the encoder...
US20060013312 Method and apparatus for scalable video coding and decoding  
A method and apparatus for video coding supporting spatial scalability by performing wavelet transform using filters with different coefficients according to wavelet decomposition levels are...
US20050147174 Encoding apparatus and method of same and decoding apparatus and method of same  
Encoding and decoding systems for MPEG encoding and decoding at a high speed using a parallel processing system, wherein macroblocks to be processed are designated for first to third processors...
US20050094729 Software and hardware partitioning for multi-standard video compression and decompression  
A system, method, and computer readable medium adapted to provide software and hardware partitioning for multi-standard video compression and decompression comprises a master-slave bus, a...
US20140161193 VIDEO ENCODING METHOD AND APPARATUS AND VIDEO DECODING METHOD AND APPARATUS, BASED ON HIERARCHICAL CODED BLOCK PATTERN INFORMATION  
A method and apparatus for decoding video and a method and apparatus for encoding video are provided. The method for decoding video includes: receiving and parsing a bitstream of encoded video;...
US20140153650 VIDEO ENCODING METHOD AND APPARATUS AND VIDEO DECODING METHOD AND APPARATUS, BASED ON HIERARCHICAL CODED BLOCK PATTERN INFORMATION  
A method and apparatus for decoding video and a method and apparatus for encoding video are provided. The method for decoding video includes: receiving and parsing a bitstream of encoded video;...
US20120230422 Method and System Using Prediction and Error Correction for the Compact Representation of Quantization Matrices In Video Compression  
In some implementations, a method for encoding data comprising a matrix of elements for scaling transform coefficients before quantization of the scaled transform coefficients includes generating...
US20110211636 IMAGE ENCODER AND IMAGE DECODER  
An image encoder includes a preprocessing unit 1 for dividing an image signal into two-dimensional blocks of a prescribed size, and for deciding, for each of the blocks divided, the type of a...
US20110134999 METHOD AND APPARATUS FOR ENCODING VIDEO, AND METHOD AND APPARATUS FOR DECODING VIDEO  
A method and apparatus for encoding a video, and a method and apparatus for decoding a video, for increasing image compression efficiency by spatially transforming, scaling and...
US20100091869 VIDEO ENCODING/ DECODING METHOD AND APPARATUS  
A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one...
US20060233240 Context-based adaptive arithmetic coding and decoding methods and apparatuses with improved coding efficiency and video coding and decoding methods and apparatuses using the same  
Context-based adaptive arithmetic coding and decoding methods and apparatuses with improved coding efficiency using the same are provided. The context-based adaptive arithmetic coding method...
US20060209961 Video encoding/decoding method and apparatus using motion prediction between temporal levels  
A video encoding/decoding method and apparatus is disclosed that can efficiently compress/decompress motion vectors in a video codec including a hierarchical temporal level decomposition process....

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