BR112013031624A8 - Método de decodificação de imagem, método de codificação de imagem, dispositivo de decodificação de imagem, dispositivo de codificação de imagem, e dispositivo de codificação/decodificação de imagem - Google Patents

Método de decodificação de imagem, método de codificação de imagem, dispositivo de decodificação de imagem, dispositivo de codificação de imagem, e dispositivo de codificação/decodificação de imagem

Info

Publication number
BR112013031624A8
BR112013031624A8 BR112013031624A BR112013031624A BR112013031624A8 BR 112013031624 A8 BR112013031624 A8 BR 112013031624A8 BR 112013031624 A BR112013031624 A BR 112013031624A BR 112013031624 A BR112013031624 A BR 112013031624A BR 112013031624 A8 BR112013031624 A8 BR 112013031624A8
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BR
Brazil
Prior art keywords
image
decoding
image encoding
picture
intraprediction
Prior art date
Application number
BR112013031624A
Other languages
English (en)
Other versions
BR112013031624A2 (pt
BR112013031624B1 (pt
Inventor
Shibahara Youji
Nishi Takahiro
Matsunobu Toru
Sasai Hisao
Sugio Toshiyasu
Tanikawa Kyoko
Original Assignee
Panasonic Corp
Panasonic Ip Corp America
Sun Patent Trust
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 Panasonic Corp, Panasonic Ip Corp America, Sun Patent Trust filed Critical Panasonic Corp
Publication of BR112013031624A2 publication Critical patent/BR112013031624A2/pt
Publication of BR112013031624A8 publication Critical patent/BR112013031624A8/pt
Publication of BR112013031624B1 publication Critical patent/BR112013031624B1/pt

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Classifications

    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • 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
    • H04N19/16—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter for a given display mode, e.g. for interlaced or progressive display mode
    • 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
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • H04N19/10—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
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • 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
    • 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
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • H04N19/197—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters including determination of the initial value of an encoding parameter
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission

Abstract

MÉTODO DE DECODIFICAÇÃO DE IMAGEM, MÉTODO DE CODIFICAÇÃO DE IMAGEM, APARELHO DE DECODIFICAÇÃO DE IMAGEM, APARELHO DE CODIFICAÇÃO DE IMAGEM, E APARELHO DE CODIFICAÇÃO E DECODIFICAÇÃO DE IMAGEM. A invenção refere-se a um método de decodificação de imagem para decodificar, em uma base de bloco por bloco, o s dados de imagem incluídos em um fluxo codificado que inclui: derivar candidatos para um modo de intrapredição a ser utilizado para intrapredição para um bloco-alvo de decodificação, o número de candidatos constantemente sendo um número plural; obter, do fluxo codificado, um índice para identificar um dos candidatos derivados para o modo de intrapredição; e determinar, com base no índice obtido, um dos candidatos derivados para o modo de intrapredição como o modo de intrapredição a ser utilizado para intrapredição para o bloco-alvo de decodificação.
BR112013031624-1A 2011-06-13 2012-06-13 Método de decodificação de imagem, método de codificação de imagem, dispositivo de decodificação de imagem, dispositivo de codificação de imagem, e dispositivo de codificação/decodificação de imagem BR112013031624B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161496237P 2011-06-13 2011-06-13
US61/496,237 2011-06-13
PCT/JP2012/003839 WO2012172791A1 (ja) 2011-06-13 2012-06-13 画像復号方法、画像符号化方法、画像復号装置、画像符号化装置および画像符号化復号装置

Publications (3)

Publication Number Publication Date
BR112013031624A2 BR112013031624A2 (pt) 2017-06-13
BR112013031624A8 true BR112013031624A8 (pt) 2017-07-04
BR112013031624B1 BR112013031624B1 (pt) 2022-07-19

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US (7) US9860539B2 (pt)
EP (1) EP2720461B1 (pt)
JP (3) JP5386657B2 (pt)
KR (1) KR101955051B1 (pt)
CN (1) CN103609110B (pt)
AU (1) AU2012270960B2 (pt)
BR (1) BR112013031624B1 (pt)
CA (1) CA2838214C (pt)
ES (1) ES2961495T3 (pt)
MX (1) MX2013013909A (pt)
MY (1) MY165837A (pt)
PL (1) PL2720461T3 (pt)
RU (1) RU2607246C2 (pt)
TW (2) TWI556628B (pt)
WO (1) WO2012172791A1 (pt)

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Publication number Publication date
EP2720461A4 (en) 2014-09-03
US20200045320A1 (en) 2020-02-06
US11431989B2 (en) 2022-08-30
US10484692B2 (en) 2019-11-19
US20180098075A1 (en) 2018-04-05
KR20140033102A (ko) 2014-03-17
RU2013154414A (ru) 2015-07-20
CA2838214A1 (en) 2012-12-20
JP6103408B2 (ja) 2017-03-29
RU2607246C2 (ru) 2017-01-10
JP2013258759A (ja) 2013-12-26
CA2838214C (en) 2019-02-12
WO2012172791A1 (ja) 2012-12-20
EP2720461A1 (en) 2014-04-16
TWI602421B (zh) 2017-10-11
BR112013031624A2 (pt) 2017-06-13
ES2961495T3 (es) 2024-03-12
MY165837A (en) 2018-05-17
US20190182492A1 (en) 2019-06-13
AU2012270960B2 (en) 2017-02-16
BR112013031624B1 (pt) 2022-07-19
KR101955051B1 (ko) 2019-03-06
EP2720461B1 (en) 2023-08-02
AU2012270960A1 (en) 2014-01-09
US11758155B2 (en) 2023-09-12
US10887606B2 (en) 2021-01-05
CN103609110A (zh) 2014-02-26
PL2720461T3 (pl) 2024-02-05
US10250887B2 (en) 2019-04-02
US20230370619A1 (en) 2023-11-16
US20120328009A1 (en) 2012-12-27
JPWO2012172791A1 (ja) 2015-02-23
TWI556628B (zh) 2016-11-01
TW201701662A (zh) 2017-01-01
AU2012270960A2 (en) 2014-01-23
JP5386657B2 (ja) 2014-01-15
US20210084310A1 (en) 2021-03-18
US9860539B2 (en) 2018-01-02
JP2016136789A (ja) 2016-07-28
TW201306595A (zh) 2013-02-01
JP5932733B2 (ja) 2016-06-08
CN103609110B (zh) 2017-08-08
US20220353515A1 (en) 2022-11-03
MX2013013909A (es) 2014-01-24

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