BRPI0519842A2 - dispositivo e método para codificar e decodificar de forma redimensionável, um fluxo de dados de imagem, um sinal, programa de computador e um módulo de adaptação para uma qualidade de imagem correspondente - Google Patents

dispositivo e método para codificar e decodificar de forma redimensionável, um fluxo de dados de imagem, um sinal, programa de computador e um módulo de adaptação para uma qualidade de imagem correspondente

Info

Publication number
BRPI0519842A2
BRPI0519842A2 BRPI0519842-9A BRPI0519842A BRPI0519842A2 BR PI0519842 A2 BRPI0519842 A2 BR PI0519842A2 BR PI0519842 A BRPI0519842 A BR PI0519842A BR PI0519842 A2 BRPI0519842 A2 BR PI0519842A2
Authority
BR
Brazil
Prior art keywords
level
encoding
data stream
resizable
decoding
Prior art date
Application number
BRPI0519842-9A
Other languages
English (en)
Inventor
Isabelle Amonou
Nathalie Cammas
Stephane Pateux
Original Assignee
France Telecom
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 France Telecom filed Critical France Telecom
Publication of BRPI0519842A2 publication Critical patent/BRPI0519842A2/pt
Publication of BRPI0519842B1 publication Critical patent/BRPI0519842B1/pt

Links

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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • 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
    • H04N19/615—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding using motion compensated temporal filtering [MCTF]
    • 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
    • H04N19/60—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
    • 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
    • H04N19/115—Selection of the code volume for a coding unit prior to coding
    • 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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/146—Data rate or code amount at the encoder output
    • 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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/34—Scalability techniques involving progressive bit-plane based encoding of the enhancement layer, e.g. fine granular scalability [FGS]
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/37—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability with arrangements for assigning different transmission priorities to video input data or to video coded data
    • 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
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets

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)
  • Compression Of Band Width Or Redundancy In Fax (AREA)

Abstract

DISPOSITIVO E MéTODO PARA CODIFICAR E DECODIFICAR DE FORMA REDIMENSIONáVEL, UM FLUXO DE DADOS DE IMAGEM, UM SINAL, PROGRAMA DE COMPUTADOR E UM MóDULO DE ADAPTAçãO PARA UMA QUALIDADE DE IMAGEM CORRESPONDENTE. A invenção refere-se a um método para codificar uma seqúência de imagens gerando um fluxo de dados na forma de uma estrutura de camadas de dados incorporadas de níveis sucessivos n cada um dos quais corresponde à resolução predeterminada das referidas imagens. O referido método compreende um estágio de codificação consistindo em codificar pelo menos uma das referidas camadas de um nível n+1 pela predição com base na referida camada de nível n e na codificação de cada camada de dados do nível n na forma de um sub-fluxo de base e opcionalmente na forma de pelo menos um sub-fluxo de intensificação permitindo a obtenção de pelo menos uma versão da qualidade intensificada das referidas imagens. O método inventivo também consiste em codificar, para pelo menos uma camada de dados do nível n, pelo menos um único sub-fluxo permitindo a reconstrução da versão das referidas imagens na referida resolução de nível n com uma qualidade mais elevada do que as referidas qualidades intensificadas, onde o referido sub-fluxo único da camada de nível n não é utilizado durante a codificação de predição das camadas de um nível diferente do nível n.
BRPI0519842A 2005-01-12 2005-12-20 Método e dispositivo para codificar e decodificar de forma redimensionável, fluxo de dados de imagem, sinal para transmissão de um fluxo de dados, módulo para adaptar aqualidade de uma imagem e suporte para armazenamento de dados BRPI0519842B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0500331A FR2880743A1 (fr) 2005-01-12 2005-01-12 Dispositif et procedes de codage et de decodage echelonnables de flux de donnees d'images, signal, programme d'ordinateur et module d'adaptation de qualite d'image correspondants
PCT/EP2005/056986 WO2006074855A1 (fr) 2005-01-12 2005-12-20 Dispositifs et procedes de codage et de decodage echelonnables de flux de donnees d'images, signal, programme d'ordinateur et module d'adaptation de qualite d'image correspondants

Publications (2)

Publication Number Publication Date
BRPI0519842A2 true BRPI0519842A2 (pt) 2009-03-17
BRPI0519842B1 BRPI0519842B1 (pt) 2018-12-04

Family

ID=34952769

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0519842A BRPI0519842B1 (pt) 2005-01-12 2005-12-20 Método e dispositivo para codificar e decodificar de forma redimensionável, fluxo de dados de imagem, sinal para transmissão de um fluxo de dados, módulo para adaptar aqualidade de uma imagem e suporte para armazenamento de dados

Country Status (12)

Country Link
US (1) US8315315B2 (pt)
EP (1) EP1839442B1 (pt)
JP (1) JP5042856B2 (pt)
KR (1) KR101291555B1 (pt)
CN (2) CN101120591B (pt)
AT (1) ATE458355T1 (pt)
BR (1) BRPI0519842B1 (pt)
DE (1) DE602005019473D1 (pt)
ES (1) ES2341178T3 (pt)
FR (1) FR2880743A1 (pt)
PL (1) PL1839442T3 (pt)
WO (1) WO2006074855A1 (pt)

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Also Published As

Publication number Publication date
CN101120591A (zh) 2008-02-06
US8315315B2 (en) 2012-11-20
DE602005019473D1 (de) 2010-04-01
BRPI0519842B1 (pt) 2018-12-04
JP2008527870A (ja) 2008-07-24
PL1839442T3 (pl) 2010-07-30
ATE458355T1 (de) 2010-03-15
CN102065295B (zh) 2012-09-26
JP5042856B2 (ja) 2012-10-03
US20090016434A1 (en) 2009-01-15
EP1839442B1 (fr) 2010-02-17
CN102065295A (zh) 2011-05-18
WO2006074855A1 (fr) 2006-07-20
KR20070102547A (ko) 2007-10-18
ES2341178T3 (es) 2010-06-16
EP1839442A1 (fr) 2007-10-03
CN101120591B (zh) 2011-01-19
FR2880743A1 (fr) 2006-07-14
KR101291555B1 (ko) 2013-08-08

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