BR0206308A - Método de codificação de filme e método de decodificação de filme - Google Patents

Método de codificação de filme e método de decodificação de filme

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Publication number
BR0206308A
BR0206308A BR0206308A BR0206308A BR0206308A BR 0206308 A BR0206308 A BR 0206308A BR 0206308 A BR0206308 A BR 0206308A BR 0206308 A BR0206308 A BR 0206308A BR 0206308 A BR0206308 A BR 0206308A
Authority
BR
Brazil
Prior art keywords
image
decoding
film
encoding
unit
Prior art date
Application number
BR0206308A
Other languages
English (en)
Other versions
BR0206308B1 (pt
Inventor
Satoshi Kondo
Shinya Kadono
Makoto Hagai
Original Assignee
Matsushita Electric Ind 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 Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Publication of BR0206308A publication Critical patent/BR0206308A/pt
Publication of BR0206308B1 publication Critical patent/BR0206308B1/pt

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    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H—ELECTRICITY
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    • 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
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    • 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
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
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    • 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
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
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    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
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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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    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures

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  • 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

"MéTODO DE CODIFICAçãO DE FILME E MéTODO DE DECODIFICAçãO DE FILME". A presente invenção refere-se a um aparelho de codificação de filme (70) para a execução de uma codificação de previsão interimagens para imagens que constituem um filme, é provido com uma unidade de codificação (103) para a execução de uma codificação de erro de previsão para dados de imagem; uma unidade de decodificação (105) para a execução de uma decodificação de previsão interimagens para uma saída da unidade de codificação (103); uma memória de imagem de referência (117) para a manutenção dos dados de saída da unidade de decodificação (105); e uma unidade de detecção de vetor de movimento (108) para a detecção de vetores de movimento com base nos dados de imagem decodificados armazenados na memória. Quando da codificação de uma imagem B como uma imagem alvo, uma informação indicando se a imagem alvo deve ou não ser usada como uma imagem de referência quando da codificação de uma outra imagem alvo é adicionada como uma informação de cabeçalho. Portanto, em um aparelho de decodificação para a decodificação de um fluxo de bits Bs extraído a partir do aparelho de codificação de filme (70), o gerenciamento de uma memória para a manutenção da imagem de referência pode ser facilitada com base na informação de cabeçalho.
BRPI0206308A 2001-11-06 2002-11-06 "método de codificação para codificar uma imagem" BR0206308B1 (pt)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2001340698 2001-11-06
JP2001373311 2001-12-06
JP2001388466 2001-12-20
JP2002012117 2002-01-21
JP2002118598 2002-04-19
PCT/JP2002/011553 WO2003041415A1 (en) 2001-11-06 2002-11-06 Moving picture coding method and moving picture decoding method

Publications (2)

Publication Number Publication Date
BR0206308A true BR0206308A (pt) 2004-02-17
BR0206308B1 BR0206308B1 (pt) 2018-01-09

Family

ID=27532030

Family Applications (3)

Application Number Title Priority Date Filing Date
BR0206305A BR0206305A (pt) 2001-11-06 2002-11-06 Método de codificação de imagem em movimento e método de decodificação de imagem em movimento
BRPI0206305-0A BRPI0206305B1 (pt) 2001-11-06 2002-11-06 "image decoding method"
BRPI0206308A BR0206308B1 (pt) 2001-11-06 2002-11-06 "método de codificação para codificar uma imagem"

Family Applications Before (2)

Application Number Title Priority Date Filing Date
BR0206305A BR0206305A (pt) 2001-11-06 2002-11-06 Método de codificação de imagem em movimento e método de decodificação de imagem em movimento
BRPI0206305-0A BRPI0206305B1 (pt) 2001-11-06 2002-11-06 "image decoding method"

Country Status (13)

Country Link
US (17) US7310373B2 (pt)
EP (15) EP2271110B1 (pt)
KR (6) KR100973374B1 (pt)
CN (2) CN1484922A (pt)
AU (1) AU2002343215C1 (pt)
BR (3) BR0206305A (pt)
CA (2) CA2432453C (pt)
DK (3) DK2271110T3 (pt)
ES (10) ES2721514T3 (pt)
MX (2) MXPA03010729A (pt)
PT (3) PT1445960T (pt)
TR (4) TR201812420T4 (pt)
WO (2) WO2003041385A2 (pt)

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