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WO2008126843A1 - 画像予測符号化装置、画像予測符号化方法、画像予測符号化プログラム、画像予測復号装置、画像予測復号方法および画像予測復号プログラム - Google Patents

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

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Publication number
WO2008126843A1
WO2008126843A1 PCT/JP2008/056950 JP2008056950W WO2008126843A1 WO 2008126843 A1 WO2008126843 A1 WO 2008126843A1 JP 2008056950 W JP2008056950 W JP 2008056950W WO 2008126843 A1 WO2008126843 A1 WO 2008126843A1
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WIPO (PCT)
Prior art keywords
image prediction
prediction
encoding
decoding
program
Prior art date
Application number
PCT/JP2008/056950
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English (en)
French (fr)
Inventor
Yoshinori Suzuki
Choong Seng Boon
Thiow Keng Tan
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
Priority claimed from JP2007133315A external-priority patent/JP5372341B2/ja
Priority claimed from JP2007241242A external-priority patent/JP5372352B2/ja
Application filed by Ntt Docomo, Inc. filed Critical Ntt Docomo, Inc.
Priority to EP08740053A priority Critical patent/EP2154901A4/en
Priority to KR1020117012289A priority patent/KR101475365B1/ko
Priority to BRPI0810924A priority patent/BRPI0810924A2/pt
Priority to CN2008800114819A priority patent/CN101653009B/zh
Priority to US12/595,242 priority patent/US9031130B2/en
Publication of WO2008126843A1 publication Critical patent/WO2008126843A1/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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/43—Hardware specially adapted for motion estimation or 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
    • H04N19/50—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
    • H04N19/105—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
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/46—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
    • 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

　情報量を多くすることなく複数の候補予測信号を選択する画像予測符号化装置 、画像予測符号化方法、画像予測符号化プログラム、画像予測復号装置、画像予測復号方法および画像予測復号プログラムを提供することを目的とする。 　重み付け器２３４および加算器２３５は、予測隣接領域取得器２３２により抽出された画素信号を予め定めた合成方法を用いて、例えば平均化することで加工することにより、組み合わせ毎に隣接画素信号に対する比較信号をそれぞれ生成する。比較・ 選択器２３６は、重み付け器２３４等により生成された比較信号と対象隣接領域取得器２３３により取得された隣接画素信号との相関が高い組み合わせを選択する。予測領域取得器２０４、重み付け器２０５および加算器２０６は、候補予測信号を生成し、予め定めた合成方法を用いて加工することによって予測信号を生成する。 
PCT/JP2008/056950 2007-04-09 2008-04-08 画像予測符号化装置、画像予測符号化方法、画像予測符号化プログラム、画像予測復号装置、画像予測復号方法および画像予測復号プログラム WO2008126843A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP08740053A EP2154901A4 (en) 2007-04-09 2008-04-08 DEVICE, METHOD AND PROGRAM FOR PICTURE PREDICTING / CODING, DEVICE, METHOD AND PROGRAM FOR PICTURE DECODING / DECODING
KR1020117012289A KR101475365B1 (ko) 2007-04-09 2008-04-08 화상 예측 부호화 장치, 화상 예측 부호화 방법, 화상 예측 부호화 프로그램, 화상 예측 복호 장치, 화상 예측 복호 방법 및 화상 예측 복호 프로그램
BRPI0810924A BRPI0810924A2 (pt) 2007-04-09 2008-04-08 predição de imagem/dispositivo de codificação, predição de imagem/ método de codificação, predição de imagem/programa de codificação, predição de imagem/dispositivo de codificação, predição de imagem/método de codificação e predição de imagem/programa de codificação
CN2008800114819A CN101653009B (zh) 2007-04-09 2008-04-08 图像预测编码装置、图像预测编码方法、图像预测解码装置、图像预测解码方法
US12/595,242 US9031130B2 (en) 2007-04-09 2008-04-08 Image prediction/encoding device, image prediction/encoding method, image prediction/encoding program, image prediction/decoding device, image prediction/decoding method, and image prediction decoding program

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2007-102154 2007-04-09
JP2007102154 2007-04-09
JP2007133315A JP5372341B2 (ja) 2007-05-18 2007-05-18 画像予測符号化装置、画像予測符号化方法、画像予測符号化プログラム、画像予測復号装置、画像予測復号方法および画像予測復号プログラム
JP2007-133315 2007-05-18
JP2007241242A JP5372352B2 (ja) 2007-04-09 2007-09-18 画像予測符号化装置、画像予測符号化方法、画像予測符号化プログラム、画像予測復号装置、画像予測復号方法および画像予測復号プログラム
JP2007-241242 2007-09-18

Publications (1)

Publication Number Publication Date
WO2008126843A1 true WO2008126843A1 (ja) 2008-10-23

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Country Status (8)

Country Link
US (1) US9031130B2 (ja)
EP (3) EP2571272B1 (ja)
KR (2) KR20090132629A (ja)
CN (4) CN103354613B (ja)
BR (1) BRPI0810924A2 (ja)
RU (1) RU2011147926A (ja)
TW (1) TWI435609B (ja)
WO (1) WO2008126843A1 (ja)

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EP2154901A1 (en) 2010-02-17
US20100091846A1 (en) 2010-04-15
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US9031130B2 (en) 2015-05-12
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KR101475365B1 (ko) 2014-12-23
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