WO2008102805A1 - 映像符号化方法及び復号方法、それらの装置、それらのプログラム並びにプログラムを記録した記録媒体 - Google Patents

映像符号化方法及び復号方法、それらの装置、それらのプログラム並びにプログラムを記録した記録媒体 Download PDF

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Publication number
WO2008102805A1
WO2008102805A1 PCT/JP2008/052859 JP2008052859W WO2008102805A1 WO 2008102805 A1 WO2008102805 A1 WO 2008102805A1 JP 2008052859 W JP2008052859 W JP 2008052859W WO 2008102805 A1 WO2008102805 A1 WO 2008102805A1
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coding
program
estimate
reference pixels
subject block
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PCT/JP2008/052859
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English (en)
French (fr)
Inventor
Shohei Matsuo
Seishi Takamura
Kazuto Kamikura
Yoshiyuki Yashima
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Nippon Telegraph And Telephone Corporation
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Application filed by Nippon Telegraph And Telephone Corporation filed Critical Nippon Telegraph And Telephone Corporation
Priority to CA 2676709 priority Critical patent/CA2676709C/en
Priority to BRPI0807912-9A priority patent/BRPI0807912B1/pt
Priority to JP2009500211A priority patent/JP5063677B2/ja
Priority to US12/526,896 priority patent/US8472522B2/en
Priority to ES08711665T priority patent/ES2393226T3/es
Priority to CN2008800049379A priority patent/CN101682774B/zh
Priority to RU2009130805/07A priority patent/RU2472305C2/ru
Priority to KR1020097016732A priority patent/KR101103699B1/ko
Priority to EP20080711665 priority patent/EP2129135B1/en
Publication of WO2008102805A1 publication Critical patent/WO2008102805A1/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
    • H04N19/10—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
    • H04N19/50—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
    • H04N19/10—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
    • H04N19/146—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
    • H04N19/10—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
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Television Signal Processing For Recording (AREA)

Abstract

　符号化対象ブロックから所定の距離範囲内にある画素を参照画素の候補として設定し、前記参照画素候補の中から符号化対象ブロックの画面内予測に用いる参照画素を符号化対象ブロックからの距離条件を変更しながら順次選択して、その選択した参照画素に基づいて予測信号を生成し、前記生成した予測信号を用いて符号化対象ブロックを画面内予測符号化するときの符号化コストを算出し、前記算出した各符号化コストに基づいて、符号化対象ブロックの画面内予測に用いる参照画素を最終的に決定し、前記決定した参照画素の位置を示す情報を符号化する映像符号化方法。
PCT/JP2008/052859 2007-02-23 2008-02-20 映像符号化方法及び復号方法、それらの装置、それらのプログラム並びにプログラムを記録した記録媒体 WO2008102805A1 (ja)

Priority Applications (9)

Application Number Priority Date Filing Date Title
CA 2676709 CA2676709C (en) 2007-02-23 2008-02-20 Video encoding method and decoding method, apparatuses therefor, programs therefor, and storage media which store the programs
BRPI0807912-9A BRPI0807912B1 (pt) 2007-02-23 2008-02-20 Método de codificação de vídeo utilizando predição intra, método de decodificação de vídeo utilizando predição intra, aparelho de codificação de vídeo utilizando predição intra e aparelho de decodificação de vídeo utilizando predição intra
JP2009500211A JP5063677B2 (ja) 2007-02-23 2008-02-20 映像符号化方法及び復号方法、それらの装置、それらのプログラム並びにプログラムを記録した記録媒体
US12/526,896 US8472522B2 (en) 2007-02-23 2008-02-20 Video encoding method and decoding method, apparatuses therefor, programs therefor, and storage media which store the programs
ES08711665T ES2393226T3 (es) 2007-02-23 2008-02-20 Método de predicción Intra de codificación de video y método de descodificación, su dispositivo, su programa y medio de programa grabado
CN2008800049379A CN101682774B (zh) 2007-02-23 2008-02-20 视频编码方法和解码方法、视频编码装置和解码装置
RU2009130805/07A RU2472305C2 (ru) 2007-02-23 2008-02-20 Способ кодирования видео и способ декодирования видео, устройства для этого, программы для этого и носители хранения, на которых хранятся программы
KR1020097016732A KR101103699B1 (ko) 2007-02-23 2008-02-20 영상 부호화 방법 및 복호 방법, 그들의 장치, 그들의 프로그램 및 프로그램을 기록한 기록매체
EP20080711665 EP2129135B1 (en) 2007-02-23 2008-02-20 Video coding intra prediction method and decoding method, their device, their program and program-recorded medium

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007043190 2007-02-23
JP2007-043190 2007-02-23

Publications (1)

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WO2008102805A1 true WO2008102805A1 (ja) 2008-08-28

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PCT/JP2008/052859 WO2008102805A1 (ja) 2007-02-23 2008-02-20 映像符号化方法及び復号方法、それらの装置、それらのプログラム並びにプログラムを記録した記録媒体

Country Status (11)

Country Link
US (1) US8472522B2 (ja)
EP (1) EP2129135B1 (ja)
JP (1) JP5063677B2 (ja)
KR (1) KR101103699B1 (ja)
CN (1) CN101682774B (ja)
BR (1) BRPI0807912B1 (ja)
CA (1) CA2676709C (ja)
ES (1) ES2393226T3 (ja)
RU (1) RU2472305C2 (ja)
TW (1) TWI381739B (ja)
WO (1) WO2008102805A1 (ja)

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WO2014050971A1 (ja) * 2012-09-28 2014-04-03 日本電信電話株式会社 イントラ予測符号化方法、イントラ予測復号方法、イントラ予測符号化装置、イントラ予測復号装置、それらのプログラム並びにプログラムを記録した記録媒体
JP2018050195A (ja) * 2016-09-21 2018-03-29 Kddi株式会社 動画像復号装置、動画像復号方法、動画像符号化装置、動画像符号化方法及びコンピュータ可読記録媒体
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CA2676709A1 (en) 2008-08-28
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JPWO2008102805A1 (ja) 2010-05-27
BRPI0807912B1 (pt) 2020-10-06
KR101103699B1 (ko) 2012-01-11
EP2129135B1 (en) 2012-08-15
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US20100027655A1 (en) 2010-02-04
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