BR0306684A - 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
BR0306684A
BR0306684A BR0306684-3A BR0306684A BR0306684A BR 0306684 A BR0306684 A BR 0306684A BR 0306684 A BR0306684 A BR 0306684A BR 0306684 A BR0306684 A BR 0306684A
Authority
BR
Brazil
Prior art keywords
coding
mode
moving image
motion compensation
motion
Prior art date
Application number
BR0306684-3A
Other languages
English (en)
Inventor
Kiyofumi Abe
Shinya Kadono
Satoshi Kondo
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of BR0306684A publication Critical patent/BR0306684A/pt

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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
    • H04N19/10—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
    • 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
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal 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
    • H04N19/134—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
    • H04N19/10—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
    • H04N19/172—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 picture, frame or field
    • 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
    • H04N19/50—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
    • 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
    • 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
    • H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
    • 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
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

MéTODO DE CODIFICAçãO DE IMAGEM EM MOVIMENTO E MéTODO DE DECODIFICAçãO DE IMAGEM EM MOVIMENTO". A presente invenção refere-se a um aparelho de codificação de imagem em movimento inclui uma unidade de codificação de compensação de movimento (107) para decidir um modo de codificação para codificar um bloco corrente a ser codificado e para gerar dados de imagem por prognóstico baseado no modo de codificação; e uma unidade de julgamento de habilitação/desabilitação de modo direto (109) para julgar se o processamento escalar pode ser executado ou não quando o modo de codificação decidido pela unidade de codificação de compensação de movimento (107) é um modo direto temporal. Quando se é julgado que o processamento escalar não pode ser executado, a unidade de codificação de compensação de movimento (107) executa a compensação de movimento utilizando-se outro modo de codificação ou sem o processamento escalar.
BR0306684-3A 2002-11-01 2003-10-06 Método de codificação de imagem em movimento e método de decodificação de imagem em movimento BR0306684A (pt)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2002320458 2002-11-01
JP2002344580 2002-11-27
JP2002370600 2002-12-20
PCT/JP2003/012756 WO2004040915A1 (ja) 2002-11-01 2003-10-06 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
BR0306684A true BR0306684A (pt) 2004-12-07

Family

ID=32233998

Family Applications (2)

Application Number Title Priority Date Filing Date
BRPI0306684-3A BRPI0306684B1 (pt) 2002-11-01 2003-10-06 “Método e aparelho de codificação de um sinal de imagem e método e aparelho de decodificação de um sinal de imagem”
BR0306684-3A BR0306684A (pt) 2002-11-01 2003-10-06 Método de codificação de imagem em movimento e método de decodificação de imagem em movimento

Family Applications Before (1)

Application Number Title Priority Date Filing Date
BRPI0306684-3A BRPI0306684B1 (pt) 2002-11-01 2003-10-06 “Método e aparelho de codificação de um sinal de imagem e método e aparelho de decodificação de um sinal de imagem”

Country Status (12)

Country Link
US (9) US9426490B2 (pt)
EP (4) EP2169960B1 (pt)
KR (2) KR100967237B1 (pt)
CN (3) CN101873488B (pt)
AU (1) AU2003268763B2 (pt)
BR (2) BRPI0306684B1 (pt)
CA (1) CA2470717C (pt)
ES (4) ES2495440T3 (pt)
MX (1) MXPA04006242A (pt)
MY (1) MY135215A (pt)
TW (1) TWI280781B (pt)
WO (1) WO2004040915A1 (pt)

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US9426490B2 (en) 2016-08-23
MY135215A (en) 2008-02-29
CA2470717C (en) 2013-11-26
US20180376136A1 (en) 2018-12-27
US20180124393A1 (en) 2018-05-03
US20160330440A1 (en) 2016-11-10
EP3145186A1 (en) 2017-03-22
TWI280781B (en) 2007-05-01
KR100967237B1 (ko) 2010-06-30
US20160330441A1 (en) 2016-11-10
TW200415914A (en) 2004-08-16
US20080069235A1 (en) 2008-03-20
CN1685732B (zh) 2010-10-13
KR100990829B1 (ko) 2010-10-29
AU2003268763A1 (en) 2004-05-25
US10097824B2 (en) 2018-10-09
EP1562385A4 (en) 2007-05-09
BRPI0306684B1 (pt) 2018-03-13
AU2003268763B2 (en) 2008-06-12
CN1685732A (zh) 2005-10-19
KR20100029133A (ko) 2010-03-15
CN101873488B (zh) 2012-05-30
EP2169960A3 (en) 2010-08-04
US20050141612A1 (en) 2005-06-30
US10623730B2 (en) 2020-04-14
US9699455B2 (en) 2017-07-04
CN101790095B (zh) 2013-02-27
ES2496979T3 (es) 2014-09-22
EP2169960A2 (en) 2010-03-31
ES2618481T3 (es) 2017-06-21
EP2793473A1 (en) 2014-10-22
US20190306493A1 (en) 2019-10-03
EP1562385A1 (en) 2005-08-10
WO2004040915A1 (ja) 2004-05-13
EP1562385B1 (en) 2014-07-02
CN101790095A (zh) 2010-07-28
CA2470717A1 (en) 2004-05-13
US10623729B2 (en) 2020-04-14
US9888238B2 (en) 2018-02-06
US10375388B2 (en) 2019-08-06
US20170264894A1 (en) 2017-09-14
EP3145186B1 (en) 2019-03-27
ES2729258T3 (es) 2019-10-31
EP2793473B1 (en) 2016-12-14
ES2495440T3 (es) 2014-09-17
US20190306492A1 (en) 2019-10-03
EP2169960B1 (en) 2014-08-06
KR20050061396A (ko) 2005-06-22
MXPA04006242A (es) 2004-11-01
CN101873488A (zh) 2010-10-27
US9693059B2 (en) 2017-06-27

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