BR112016012009A2 - Método de codificação de vídeo usando uma predição com base em cópia intrabloco de imagem. - Google Patents

Método de codificação de vídeo usando uma predição com base em cópia intrabloco de imagem.

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Publication number
BR112016012009A2
BR112016012009A2 BR112016012009A BR112016012009A BR112016012009A2 BR 112016012009 A2 BR112016012009 A2 BR 112016012009A2 BR 112016012009 A BR112016012009 A BR 112016012009A BR 112016012009 A BR112016012009 A BR 112016012009A BR 112016012009 A2 BR112016012009 A2 BR 112016012009A2
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BR
Brazil
Prior art keywords
mode
intrablock
intrabc
video coding
prediction
Prior art date
Application number
BR112016012009A
Other languages
English (en)
Other versions
BR112016012009B1 (pt
Inventor
Liu Shan
Xu Xiaozhong
Original Assignee
Mediatek Singapore Pte Ltd
Hfi Innovation Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mediatek Singapore Pte Ltd, Hfi Innovation Inc filed Critical Mediatek Singapore Pte Ltd
Publication of BR112016012009A2 publication Critical patent/BR112016012009A2/pt
Publication of BR112016012009B1 publication Critical patent/BR112016012009B1/pt

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • H04N19/517Processing of motion vectors by encoding
    • H04N19/52Processing of motion vectors by encoding by predictive encoding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/107Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/12Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/13Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/136Incoming video signal characteristics or properties
    • H04N19/137Motion inside a coding unit, e.g. average field, frame or block difference
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/186Methods 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 colour or a chrominance component
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/96Tree coding, e.g. quad-tree coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards

Abstract

MÉTODO DE CODIFICAÇÃO DE VÍDEO USANDO UMA PREDIÇÃO COM BASE EM COPIA INTRABLOCO DE IMAGEM. É divulgado um método de sinalização de modos de codificação incluindo um modo IntraBC (modo de cópia intrabloco) para melhorar a eficiência de codificação. Em uma modalidade, o modo de partição associado com o modo IntraBC e o modo de partição correspondente para o modo Inter utiliza o mesmo processo de binarização e a mesma modelagem de contexto. Em uma outra modalidade, o vetor de deslocamento da predição IntraBC para o bloco de croma é derivado dos vetores de deslocamento do bloco de lume correspondente. Em uma outra modalidade, uma PU não quadrada é repartida em uma multiplicidade de TUs (unidades de transformada) e a predição IntraBC é efetuada TU por TU.
BR112016012009-4A 2013-11-27 2014-11-14 Método de sinalização de modo de codificação incluindo um modo intrabc para uma imagem BR112016012009B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201361909499P 2013-11-27 2013-11-27
US61/909,499 2013-11-27
US201461926577P 2014-01-13 2014-01-13
US61/926,577 2014-01-13
PCT/CN2014/091058 WO2015078304A1 (en) 2013-11-27 2014-11-14 Method of video coding using prediction based on intra picture block copy

Publications (2)

Publication Number Publication Date
BR112016012009A2 true BR112016012009A2 (pt) 2017-09-19
BR112016012009B1 BR112016012009B1 (pt) 2023-11-07

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BR112016012009-4A BR112016012009B1 (pt) 2013-11-27 2014-11-14 Método de sinalização de modo de codificação incluindo um modo intrabc para uma imagem

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US (1) US11032568B2 (pt)
EP (1) EP3033886B1 (pt)
CN (2) CN105594211B (pt)
BR (1) BR112016012009B1 (pt)
CA (1) CA2924501C (pt)
WO (1) WO2015078304A1 (pt)

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Publication number Publication date
EP3033886B1 (en) 2021-01-06
BR112016012009B1 (pt) 2023-11-07
CA2924501C (en) 2021-06-22
CN105594211A (zh) 2016-05-18
CA2924501A1 (en) 2015-06-04
EP3033886A1 (en) 2016-06-22
US20160227245A1 (en) 2016-08-04
EP3033886A4 (en) 2017-06-07
CN105594211B (zh) 2019-03-15
CN110087089B (zh) 2023-03-10
CN110087089A (zh) 2019-08-02
WO2015078304A1 (en) 2015-06-04
US11032568B2 (en) 2021-06-08

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