BR112013001241A2 - método de codificação de imagem em movimento e método de decodificação de imagem em movimento - Google Patents

método de codificação de imagem em movimento e método de decodificação de imagem em movimento

Info

Publication number
BR112013001241A2
BR112013001241A2 BR112013001241A BR112013001241A BR112013001241A2 BR 112013001241 A2 BR112013001241 A2 BR 112013001241A2 BR 112013001241 A BR112013001241 A BR 112013001241A BR 112013001241 A BR112013001241 A BR 112013001241A BR 112013001241 A2 BR112013001241 A2 BR 112013001241A2
Authority
BR
Brazil
Prior art keywords
moving
image
motion vector
picture
method
Prior art date
Application number
BR112013001241A
Other languages
English (en)
Inventor
Sasai Hisao
Nishi Takahiro
Sugio Toshyasu
Shibahara Youji
Original Assignee
Panasonic Corp
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
Priority to US201161431883P priority Critical
Application filed by Panasonic Corp filed Critical Panasonic Corp
Priority to PCT/JP2012/000131 priority patent/WO2012096173A1/ja
Publication of BR112013001241A2 publication Critical patent/BR112013001241A2/pt

Links

Classifications

    • 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/31Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the temporal domain
    • 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
    • H04N19/50Methods 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
    • H04N19/573Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction

Abstract

método de codificação de imagem em movimento e método de decodificação de imagem em movimento. a presente invenção refere-se a um método de codificação de imagem em movimento e um método de decodificação de imagem em movimento, o que torna possível derivar um vetor de movimento mais adequado para uma imagem atual a ser codificada e aumentar uma taxa de compressão. um aparelho de codificação de imagem em movimento (100) inclui: uma unidade de controle de interprognóstico (109) que determina codificar um vetor de movimento usando, entre uma pluralidade de vetores de movimento candidatos prognosticados, um vetor de movimento candidato provado pela estimativa de movimento; uma unidade de determinação do tipo de imagem (110) que gera informação do tipo de imagem; uma unidade de cálculo de vetor de direção temporal (111) que deriva um vetor de movimento candidato prognosticado em condução temporal; e uma unidade de determinação de direção de referência colocalizada (112) que gera, para cada imagem, uma marca de direção de referência colocalizada.
BR112013001241A 2011-01-12 2012-01-11 método de codificação de imagem em movimento e método de decodificação de imagem em movimento BR112013001241A2 (pt)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US201161431883P true 2011-01-12 2011-01-12
PCT/JP2012/000131 WO2012096173A1 (ja) 2011-01-12 2012-01-11 動画像符号化方法および動画像復号化方法

Publications (1)

Publication Number Publication Date
BR112013001241A2 true BR112013001241A2 (pt) 2018-01-23

Family

ID=46455227

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112013001241A BR112013001241A2 (pt) 2011-01-12 2012-01-11 método de codificação de imagem em movimento e método de decodificação de imagem em movimento

Country Status (7)

Country Link
US (2) US9083981B2 (pt)
EP (1) EP2665271A4 (pt)
JP (4) JPWO2012096173A1 (pt)
KR (2) KR101820997B1 (pt)
CN (2) CN106878742A (pt)
BR (1) BR112013001241A2 (pt)
WO (1) WO2012096173A1 (pt)

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CN106878742A (zh) 2017-06-20
CN106851306A (zh) 2017-06-13
US9083981B2 (en) 2015-07-14
US10237569B2 (en) 2019-03-19
US20150245048A1 (en) 2015-08-27
US20120177125A1 (en) 2012-07-12
JP2014042307A (ja) 2014-03-06
JP6478133B2 (ja) 2019-03-06
CN103004209A (zh) 2013-03-27
JP6187886B2 (ja) 2017-08-30
JP5970654B2 (ja) 2016-08-17
EP2665271A4 (en) 2014-06-18
KR20180009387A (ko) 2018-01-26
JPWO2012096173A1 (ja) 2014-06-09
KR20140029347A (ko) 2014-03-10
EP2665271A1 (en) 2013-11-20
KR101820997B1 (ko) 2018-01-22
JP2017204882A (ja) 2017-11-16
KR101913086B1 (ko) 2018-10-29
WO2012096173A1 (ja) 2012-07-19
JP2016187204A (ja) 2016-10-27

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