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WO2008149840A1 - 画像予測符号化装置、画像予測復号装置、画像予測符号化方法、画像予測復号方法、画像予測符号化プログラム、及び画像予測復号プログラム - Google Patents

画像予測符号化装置、画像予測復号装置、画像予測符号化方法、画像予測復号方法、画像予測符号化プログラム、及び画像予測復号プログラム Download PDF

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Publication number
WO2008149840A1
WO2008149840A1 PCT/JP2008/060146 JP2008060146W WO2008149840A1 WO 2008149840 A1 WO2008149840 A1 WO 2008149840A1 JP 2008060146 W JP2008060146 W JP 2008060146W WO 2008149840 A1 WO2008149840 A1 WO 2008149840A1
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WIPO (PCT)
Prior art keywords
image prediction
prediction
unit
program
screen prediction
Prior art date
Application number
PCT/JP2008/060146
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English (en)
French (fr)
Inventor
Choong Seng Boon
Thiow Keng Tan
Yoshinori Suzuki
Original Assignee
Ntt Docomo, Inc.
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 Ntt Docomo, Inc. filed Critical Ntt Docomo, Inc.
Priority to CA002689277A priority Critical patent/CA2689277A1/en
Priority to US12/602,949 priority patent/US8761254B2/en
Priority to CN200880018686XA priority patent/CN101682777B/zh
Priority to MX2009013198A priority patent/MX2009013198A/es
Priority to KR1020117011883A priority patent/KR101473278B1/ko
Priority to EP08777097A priority patent/EP2164265A4/en
Priority to BRPI0812199-0A2A priority patent/BRPI0812199A2/pt
Priority to AU2008258910A priority patent/AU2008258910A1/en
Publication of WO2008149840A1 publication Critical patent/WO2008149840A1/ja

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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
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/60—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

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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)

Abstract

　画素領域における画面内予測信号の生成の方法に関して多くの予測方法を設けた場合であっても、予測方法を識別するためのモード情報を効率的に抑圧することを課題とする。この画像予測符号化装置１０は、ブロック分割部１０２と画面内予測信号生成方法決定部１０５と画面内予測信号生成部１０６と減算器１０８と変換部１０９と量子化部１１０とエントロピー符号化部１１５とを備え、画面内予測信号生成方法決定部１０５は、複数の第１予測方法のうちから、対象領域に対する直近画素群を用いて隣接領域の画素信号と相関の高い画面内予測信号を生成する隣接領域予測方法を導出し、導出した隣接領域予測方法に基づいて対象画素信号に対する対象領域予測方法を予測するとともに、画面内予測信号生成部１０６は、該対象領域予測方法に基づいて対象領域に対する画面内予測信号を生成する。
PCT/JP2008/060146 2007-06-04 2008-06-02 画像予測符号化装置、画像予測復号装置、画像予測符号化方法、画像予測復号方法、画像予測符号化プログラム、及び画像予測復号プログラム WO2008149840A1 (ja)

Priority Applications (8)

Application Number Priority Date Filing Date Title
CA002689277A CA2689277A1 (en) 2007-06-04 2008-06-02 Image prediction encoding device, image prediction decoding device, image prediction encoding method, image prediction decoding method, image prediction encoding program, and image prediction decoding program
US12/602,949 US8761254B2 (en) 2007-06-04 2008-06-02 Image prediction encoding device, image prediction decoding device, image prediction encoding method, image prediction decoding method, image prediction encoding program, and image prediction decoding program
CN200880018686XA CN101682777B (zh) 2007-06-04 2008-06-02 图像预测编码装置及方法、图像预测解码装置及方法
MX2009013198A MX2009013198A (es) 2007-06-04 2008-06-02 Dispositivo de codificacion de prediccion de imagen, dispositivo de descodificacion de prediccion de imagen, metodo de codificacion de prediccion de imagen, metodo de descodificacion de prediccion de imagen, programa de codificacion de prediccion de
KR1020117011883A KR101473278B1 (ko) 2007-06-04 2008-06-02 화상 예측 부호화 장치, 화상 예측 복호 장치, 화상 예측 부호화 방법, 화상 예측 복호 방법, 화상 예측 부호화 프로그램, 및 화상 예측 복호 프로그램
EP08777097A EP2164265A4 (en) 2007-06-04 2008-06-02 IMAGE PREDICTION ENCODING DEVICE, IMAGE PREDICTING DECODING DEVICE, IMAGE PREDICTING ENCODING METHOD, IMAGE PREDICTING DECODING METHOD, IMAGE PREDICTING ENCODING PROGRAM, AND IMAGE PREDICTING ENCODING PROGRAM PR
BRPI0812199-0A2A BRPI0812199A2 (pt) 2007-06-04 2008-06-02 Dispositivo para codificação de predição de imagem; dispositivo para decodificação de predição de imagem; método para codificação de predição de imagem; método para decodificação de predição de imagem; programa para codificação de predição de imagem e programa para decodificação de predição de imagem
AU2008258910A AU2008258910A1 (en) 2007-06-04 2008-06-02 Image prediction encoding device, image prediction decoding device, image prediction encoding method, image prediction decoding method, image prediction encoding program, and image prediction decoding program

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007-148459 2007-06-04
JP2007148459 2007-06-04
JP2008-125242 2008-05-12
JP2008125242A JP5188875B2 (ja) 2007-06-04 2008-05-12 画像予測符号化装置、画像予測復号装置、画像予測符号化方法、画像予測復号方法、画像予測符号化プログラム、及び画像予測復号プログラム

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WO2008149840A1 true WO2008149840A1 (ja) 2008-12-11

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Country Status (11)

Country Link
US (1) US8761254B2 (ja)
EP (2) EP2164265A4 (ja)
JP (1) JP5188875B2 (ja)
KR (2) KR20100002261A (ja)
CN (1) CN101682777B (ja)
AU (1) AU2008258910A1 (ja)
BR (1) BRPI0812199A2 (ja)
CA (1) CA2689277A1 (ja)
MX (1) MX2009013198A (ja)
RU (2) RU2009148824A (ja)
WO (1) WO2008149840A1 (ja)

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CN108040259A (zh) * 2011-10-05 2018-05-15 太阳专利托管公司 图像编码方法以及图像编码装置
CN108040259B (zh) * 2011-10-05 2022-02-01 太阳专利托管公司 图像编码方法以及图像编码装置
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WO2020031297A1 (ja) * 2018-08-08 2020-02-13 富士通株式会社 符号化装置、符号化方法、符号化プログラム、復号装置、復号方法及び復号プログラム
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AU2008258910A1 (en) 2008-12-11
US20100195722A1 (en) 2010-08-05
JP2009017534A (ja) 2009-01-22
EP2164265A1 (en) 2010-03-17
JP5188875B2 (ja) 2013-04-24
EP2164265A4 (en) 2011-05-25
US8761254B2 (en) 2014-06-24
RU2565248C2 (ru) 2015-10-20
KR101473278B1 (ko) 2014-12-17
CN101682777B (zh) 2013-09-25
CN101682777A (zh) 2010-03-24
MX2009013198A (es) 2010-01-20
EP2503781B1 (en) 2017-03-08
KR20110081304A (ko) 2011-07-13
BRPI0812199A2 (pt) 2014-11-18
RU2011137070A (ru) 2013-03-20
CA2689277A1 (en) 2008-12-11
EP2503781A1 (en) 2012-09-26
RU2009148824A (ru) 2011-07-20
KR20100002261A (ko) 2010-01-06

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