BR112013002055A2 - direção de predição de movimento de codificação em codificação de vídeo - Google Patents
direção de predição de movimento de codificação em codificação de vídeoInfo
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- BR112013002055A2 BR112013002055A2 BR112013002055A BR112013002055A BR112013002055A2 BR 112013002055 A2 BR112013002055 A2 BR 112013002055A2 BR 112013002055 A BR112013002055 A BR 112013002055A BR 112013002055 A BR112013002055 A BR 112013002055A BR 112013002055 A2 BR112013002055 A2 BR 112013002055A2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
- H04N19/513—Processing of motion vectors
- H04N19/517—Processing of motion vectors by encoding
- H04N19/52—Processing of motion vectors by encoding by predictive encoding
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- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
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- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/114—Adapting the group of pictures [GOP] structure, e.g. number of B-frames between two anchor frames
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- H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
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- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
- H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
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- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
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- H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
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- H04N19/177—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a group of pictures [GOP]
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- H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
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- H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
direção de predição de movimento de codificação em codificação de vídeo. esta descrição refere-se a técnicas para reduzir um ucs to de codificação de informação de predição em codificação de vídeo. blocos de vídeo em um quadro p/b generalizado (gpb) são codificados utilizanto até dois vetores de movimento calculados a partir de imagem de referência em duas listas de imagem de referência separadas que são idênticas. quando uma das listas de imagem de referência é preferível á outra lista de imagem de referência é preferível á outra lista de imagem de referência, a lista de imagem de referência preferida pode ser utilizada para predição unidirecional, por padrão. quando um quadro gpb é habilitado de tal modo que a primeira e segunda listas de imagem de referência são idênticas, qualquer uma da primeira e segunda listas de imagem de referência podem ser utilizadas para a predição unidirecional. as técnicas de codificação incluem um ou mais elementos de sintaxe indicando que um bloco de vídeo é codificado utilizando um dos modos de predição unidirecional em relação a uma imagem de referência em uma lista de imagem de referência e o modo de predição bidirecional utilizando menos do que dois bits.
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US36852910P | 2010-07-28 | 2010-07-28 | |
US37658310P | 2010-08-24 | 2010-08-24 | |
US37930310P | 2010-09-01 | 2010-09-01 | |
US40738910P | 2010-10-27 | 2010-10-27 | |
US41466810P | 2010-11-17 | 2010-11-17 | |
US201161500029P | 2011-06-22 | 2011-06-22 | |
US13/179,400 US9398308B2 (en) | 2010-07-28 | 2011-07-08 | Coding motion prediction direction in video coding |
PCT/US2011/044732 WO2012015650A2 (en) | 2010-07-28 | 2011-07-20 | Coding motion prediction direction in video coding |
Publications (1)
Publication Number | Publication Date |
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BR112013002055A2 true BR112013002055A2 (pt) | 2019-09-24 |
Family
ID=45526691
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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BR112013002055A BR112013002055A2 (pt) | 2010-07-28 | 2011-07-20 | direção de predição de movimento de codificação em codificação de vídeo |
Country Status (12)
Country | Link |
---|---|
US (2) | US9357229B2 (pt) |
EP (3) | EP2599313B1 (pt) |
JP (2) | JP5951606B2 (pt) |
KR (2) | KR101460921B1 (pt) |
CN (2) | CN103026709B (pt) |
AU (1) | AU2011283039A1 (pt) |
BR (1) | BR112013002055A2 (pt) |
CA (1) | CA2805883A1 (pt) |
RU (1) | RU2013108810A (pt) |
SG (1) | SG187137A1 (pt) |
TW (2) | TW201215162A (pt) |
WO (2) | WO2012015650A2 (pt) |
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CN103026709A (zh) | 2013-04-03 |
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EP2599313B1 (en) | 2016-04-20 |
RU2013108810A (ru) | 2014-09-20 |
EP2599313A2 (en) | 2013-06-05 |
WO2012015649A2 (en) | 2012-02-02 |
CN103026709B (zh) | 2016-03-23 |
JP2013535913A (ja) | 2013-09-12 |
EP3038364A1 (en) | 2016-06-29 |
KR20130036772A (ko) | 2013-04-12 |
AU2011283039A1 (en) | 2013-02-21 |
JP5951606B2 (ja) | 2016-07-13 |
EP2599312A2 (en) | 2013-06-05 |
KR101383436B1 (ko) | 2014-04-11 |
US9398308B2 (en) | 2016-07-19 |
WO2012015650A3 (en) | 2012-03-22 |
CN103039074A (zh) | 2013-04-10 |
WO2012015649A3 (en) | 2012-03-22 |
KR20130069758A (ko) | 2013-06-26 |
SG187137A1 (en) | 2013-02-28 |
US20120027089A1 (en) | 2012-02-02 |
CA2805883A1 (en) | 2012-02-02 |
KR101460921B1 (ko) | 2014-11-14 |
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