BR9801156A - Método de decodificação de predição de imagem, aparelho de decodificação de predição de imagem, método de codificação de predição de imagem, aparelho de codificação de predição de imagem e meio de armazenamento de dados. - Google Patents

Método de decodificação de predição de imagem, aparelho de decodificação de predição de imagem, método de codificação de predição de imagem, aparelho de codificação de predição de imagem e meio de armazenamento de dados.

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Publication number
BR9801156A
BR9801156A BR9801156-1A BR9801156A BR9801156A BR 9801156 A BR9801156 A BR 9801156A BR 9801156 A BR9801156 A BR 9801156A BR 9801156 A BR9801156 A BR 9801156A
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BR
Brazil
Prior art keywords
image
image prediction
decoding
prediction decoding
prediction
Prior art date
Application number
BR9801156-1A
Other languages
English (en)
Other versions
BR9801156B1 (pt
Inventor
Choong Seng Boon
Original Assignee
Matsushita Eleectric Ind Co Lt
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 Eleectric Ind Co Lt filed Critical Matsushita Eleectric Ind Co Lt
Publication of BR9801156A publication Critical patent/BR9801156A/pt
Publication of BR9801156B1 publication Critical patent/BR9801156B1/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
    • H04N19/50—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
    • 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
    • H04N19/105—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
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • 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
    • H04N19/169—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
    • 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
    • H04N19/186—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 a colour or a chrominance component
    • 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
    • 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
    • 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
    • H04N19/553—Motion estimation dealing with occlusions
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/587—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal sub-sampling or interpolation, e.g. decimation or subsequent interpolation of pictures in a video sequence
    • 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
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • 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
    • H04N19/20—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding

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

Abstract

Patente de Invenção: <B>"MéTODO DE DECODIFICAçãO DE PREDIçãO DE IMAGEM, APARELHO DE DECODIFICAçãO DE PREDIçãO DE IMAGEM, MéTODO DE CODIFICAçãO DE PREDIçãO DE IMAGEM, APARELHO DE CODIFICAçãO DE PREDIçãO DE IMAGEM E MEIO DE ARMAZENAMENTO DE DADOS"<D>. é revelado um método de decodificação de predição de imagem no qual são informados os dados obtidos por compressivamente codificar uma imagem de tamanho variável usando um método prescrito, uma imagem de predição é gerada usando, como uma imagem de referência, pelo menos uma imagem reproduzida que tenha sido reproduzida antes de uma imagem sendo um objeto da decodificação, e a imagem objeto é sujeita a decodificação de predição. Neste método, a imagem de predição é gerada usando-se, como uma imagem de referência, pelo menos uma imagem reproduzida e que inclua dados de imagem significantes a serem referidos. Portanto, quando vários objetos constituindo uma imagem são sujeitos a codificação compreensiva e transmitidos objeto por objeto para aumentar a eficiência da compressão, é impedido que uma imagem de comprimento variável que já tenha desaparecido seja usada como a imagem de referência para a decodificação de predição. Como resultado, os dados codificados obtidos pela codificação compressiva eficiente que suprimem a quantidade de código podem ser apropriadamente decodificados.
BRPI9801156-1A 1997-04-09 1998-04-08 método de decodificação de predição de imagem. BR9801156B1 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9065997 1997-04-09

Publications (2)

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BR9801156A true BR9801156A (pt) 1999-10-19
BR9801156B1 BR9801156B1 (pt) 2012-10-16

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BRPI9801156-1A BR9801156B1 (pt) 1997-04-09 1998-04-08 método de decodificação de predição de imagem.

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US (3) US6370276B2 (pt)
EP (4) EP1079634B1 (pt)
KR (2) KR100319248B1 (pt)
CN (1) CN1134992C (pt)
BR (1) BR9801156B1 (pt)
DE (4) DE69824896T2 (pt)
ES (4) ES2265531T3 (pt)
ID (1) ID20775A (pt)
IN (1) IN192209B (pt)
MY (1) MY129665A (pt)
SG (1) SG65064A1 (pt)
TW (1) TW395136B (pt)

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EP1065883A2 (en) 2001-01-03
DE69834959D1 (de) 2006-07-27
DE69824896T2 (de) 2005-08-11
SG65064A1 (en) 1999-05-25
US6370276B2 (en) 2002-04-09
DE69815922D1 (de) 2003-08-07
EP1079634A1 (en) 2001-02-28
EP0871336A3 (en) 2000-07-19
CN1134992C (zh) 2004-01-14
DE69834959T2 (de) 2007-01-25
US6459813B1 (en) 2002-10-01
US20020027955A1 (en) 2002-03-07
DE69816342T2 (de) 2004-05-27
BR9801156B1 (pt) 2012-10-16
KR100451326B1 (ko) 2004-10-06
US20010014178A1 (en) 2001-08-16
EP1322122B1 (en) 2006-06-14
EP1065883A3 (en) 2001-01-10
DE69824896D1 (de) 2004-08-05
ES2202678T3 (es) 2004-04-01
KR19980081235A (ko) 1998-11-25
KR100319248B1 (ko) 2002-02-19
CN1199308A (zh) 1998-11-18
ES2203383T3 (es) 2004-04-16
ES2221824T3 (es) 2005-01-16
ID20775A (id) 1999-03-04
IN192209B (pt) 2004-03-13
EP0871336A2 (en) 1998-10-14
DE69815922T2 (de) 2004-04-22
US6633678B2 (en) 2003-10-14
EP1079634B1 (en) 2004-06-30
ES2265531T3 (es) 2007-02-16
EP1065883B1 (en) 2003-07-09
MY129665A (en) 2007-04-30
TW395136B (en) 2000-06-21
DE69816342D1 (de) 2003-08-14
EP1322122A1 (en) 2003-06-25
EP0871336B1 (en) 2003-07-02

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