WO2009037726A1 - 動画像符号化装置および動画像復号装置 - Google Patents

動画像符号化装置および動画像復号装置 Download PDF

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Publication number
WO2009037726A1
WO2009037726A1 PCT/JP2007/001011 JP2007001011W WO2009037726A1 WO 2009037726 A1 WO2009037726 A1 WO 2009037726A1 JP 2007001011 W JP2007001011 W JP 2007001011W WO 2009037726 A1 WO2009037726 A1 WO 2009037726A1
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WIPO (PCT)
Prior art keywords
image
moving image
area
coder
inter
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PCT/JP2007/001011
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English (en)
French (fr)
Inventor
Satoshi Shimada
Akira Nakagawa
Akihiro Yamori
Chikara Imajo
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Fujitsu Limited
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Publication date
Application filed by Fujitsu Limited filed Critical Fujitsu Limited
Priority to PCT/JP2007/001011 priority Critical patent/WO2009037726A1/ja
Priority to JP2009532962A priority patent/JP5437807B2/ja
Publication of WO2009037726A1 publication Critical patent/WO2009037726A1/ja
Priority to US12/723,170 priority patent/US8428131B2/en

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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
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
    • H04N19/174—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 slice, e.g. a line of blocks or a group of blocks
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness

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

Abstract

　入力画像を分割することにより得られる複数のブロックのそれぞれについて符号化を行う動画像符号化装置において、フレーム間符号化の参照画像において参照することができる有効領域が定義される。参照画像において対象ブロックのフレーム間符号化のために参照すべき参照領域が検出される。有効領域に属する前記参照領域についてはその参照領域の画像を出力し、前記有効領域に属しない前記参照領域については補完画像を出力することにより、フレーム間符号化のための予測画像が生成される。予測画像を利用して入力画像が符号化される。
PCT/JP2007/001011 2007-09-18 2007-09-18 動画像符号化装置および動画像復号装置 WO2009037726A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2007/001011 WO2009037726A1 (ja) 2007-09-18 2007-09-18 動画像符号化装置および動画像復号装置
JP2009532962A JP5437807B2 (ja) 2007-09-18 2007-09-18 動画像符号化装置および動画像復号装置
US12/723,170 US8428131B2 (en) 2007-09-18 2010-03-12 Video encoder and decoder using region based coding and decoding techniques with sequential refresh

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/001011 WO2009037726A1 (ja) 2007-09-18 2007-09-18 動画像符号化装置および動画像復号装置

Related Child Applications (1)

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US12/723,170 Continuation US8428131B2 (en) 2007-09-18 2010-03-12 Video encoder and decoder using region based coding and decoding techniques with sequential refresh

Publications (1)

Publication Number Publication Date
WO2009037726A1 true WO2009037726A1 (ja) 2009-03-26

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US (1) US8428131B2 (ja)
JP (1) JP5437807B2 (ja)
WO (1) WO2009037726A1 (ja)

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WO2012008054A1 (ja) * 2010-07-15 2012-01-19 富士通株式会社 動画像復号装置、動画像復号方法及び動画像符号化装置ならびに動画像符号化方法
WO2013001730A1 (ja) * 2011-06-30 2013-01-03 三菱電機株式会社 画像符号化装置、画像復号装置、画像符号化方法および画像復号方法
WO2014002385A1 (ja) * 2012-06-25 2014-01-03 日本電気株式会社 映像符号化／復号装置、方法、プログラム
KR20140056205A (ko) * 2010-07-31 2014-05-09 엠앤케이홀딩스 주식회사 인트라 예측 복호화 장치
JP2014511641A (ja) * 2011-03-09 2014-05-15 シーメンス アクチエンゲゼルシヤフト デジタル画像のシーケンスを符号化する方法
US9078000B2 (en) 2011-10-31 2015-07-07 Fujitsu Limited Moving image decoding apparatus, moving image encoding apparatus, moving image decoding method and moving image encoding method
WO2020136987A1 (ja) * 2018-12-28 2020-07-02 富士通株式会社 映像符号化装置、映像符号化方法、映像符号化プログラム、映像復号装置、映像復号方法、及び映像復号プログラム

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US8780986B2 (en) * 2008-06-06 2014-07-15 Apple Inc. Refresh pixel group selection and coding adjustment
CN102823251B (zh) * 2010-03-31 2015-08-12 Jvc建伍株式会社 动图像编码装置、动图像编码方法及动图像编码程序、以及动图像解码装置、动图像解码方法及动图像解码程序
CN104935929B (zh) * 2011-10-24 2018-05-25 英孚布瑞智有限私人贸易公司 图像解码设备
ES2816567T3 (es) 2011-10-24 2021-04-05 Innotive Ltd Método y aparato para decodificar modo de intra-predicción
JP5727398B2 (ja) * 2012-01-26 2015-06-03 日本電信電話株式会社 動画像符号化方法，動画像符号化装置および動画像符号化プログラム
CN110234007B (zh) * 2013-03-21 2023-05-23 索尼公司 图像解码装置和方法

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US9591305B2 (en) 2010-07-15 2017-03-07 Fujitsu Limited Moving image decoding apparatus, moving image decoding method and moving image encoding apparatus, and moving image encoding method
WO2012008037A1 (ja) * 2010-07-15 2012-01-19 富士通株式会社 動画像復号装置、動画像復号方法及び動画像符号化装置ならびに動画像符号化方法
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CN107749985B (zh) * 2012-06-25 2020-05-15 日本电气株式会社 视频解码设备和视频解码方法
JP2017216735A (ja) * 2012-06-25 2017-12-07 日本電気株式会社 映像復号装置、映像復号方法及びプログラム
KR20170109082A (ko) * 2012-06-25 2017-09-27 닛본 덴끼 가부시끼가이샤 비디오 디코딩 장치, 방법 및 프로그램
JP2018164293A (ja) * 2012-06-25 2018-10-18 日本電気株式会社 映像符号化装置、映像復号装置、映像符号化方法、映像復号方法及びプログラム
US11706457B2 (en) 2012-06-25 2023-07-18 Nec Corporation Video decoding device, method, and program
US10728579B2 (en) 2012-06-25 2020-07-28 Nec Corporation Video decoding device, method, and program
WO2014002385A1 (ja) * 2012-06-25 2014-01-03 日本電気株式会社 映像符号化／復号装置、方法、プログラム
US11412261B2 (en) 2012-06-25 2022-08-09 Nec Corporation Video decoding device, method, and program
US11695961B2 (en) 2012-06-25 2023-07-04 Nec Corporation Video decoding device, method, and program
WO2020136987A1 (ja) * 2018-12-28 2020-07-02 富士通株式会社 映像符号化装置、映像符号化方法、映像符号化プログラム、映像復号装置、映像復号方法、及び映像復号プログラム

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US20100172412A1 (en) 2010-07-08
US8428131B2 (en) 2013-04-23
JPWO2009037726A1 (ja) 2010-12-24
JP5437807B2 (ja) 2014-03-12

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