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WO2009004985A1 - 画像符号化装置、画像符号化方法、画像復号装置、画像復号方法、プログラム、および記録媒体 - Google Patents

画像符号化装置、画像符号化方法、画像復号装置、画像復号方法、プログラム、および記録媒体 Download PDF

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Publication number
WO2009004985A1
WO2009004985A1 PCT/JP2008/061672 JP2008061672W WO2009004985A1 WO 2009004985 A1 WO2009004985 A1 WO 2009004985A1 JP 2008061672 W JP2008061672 W JP 2008061672W WO 2009004985 A1 WO2009004985 A1 WO 2009004985A1
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WIPO (PCT)
Prior art keywords
prediction
image
image encoding
image decoding
program
Prior art date
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Ceased
Application number
PCT/JP2008/061672
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English (en)
French (fr)
Inventor
Takeshi Tsukuba
Yasuaki Tokumo
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Sharp Corp
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Sharp Corp
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Filing date
Publication date
Priority to US12/667,004 priority Critical patent/US8644382B2/en
Priority to EP17156723.3A priority patent/EP3190791B1/en
Priority to RU2010102951/07A priority patent/RU2496252C2/ru
Priority to BRPI0813904-0A priority patent/BRPI0813904B1/pt
Priority to CN2008800216140A priority patent/CN101690235B/zh
Priority to JP2009521599A priority patent/JP5351021B2/ja
Priority to HK10105107.7A priority patent/HK1138458B/xx
Priority to BR122019021946-0A priority patent/BR122019021946B1/pt
Priority to EP08777637.3A priority patent/EP2166769B1/en
Application filed by Sharp Corp filed Critical Sharp Corp
Priority to EP18185484.5A priority patent/EP3410706B1/en
Publication of WO2009004985A1 publication Critical patent/WO2009004985A1/ja
Anticipated expiration legal-status Critical
Priority to US14/109,444 priority patent/US9161037B2/en
Priority to US14/848,010 priority patent/US9667976B2/en
Priority to US15/583,774 priority patent/US9955171B2/en
Priority to US15/920,018 priority patent/US10306237B2/en
Priority to US16/376,221 priority patent/US11109037B2/en
Ceased legal-status Critical Current

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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
    • 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
    • H04N19/174—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
    • H04N19/10—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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/19—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding using optimisation based on Lagrange multipliers
    • 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
    • H04N19/60—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
    • H04N19/10—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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction

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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

　予測セット決定部（１３）は、互いに異なる予測方向に応じた予測モードを複数含む予測セットであって、当該予測モードの組み合わせが互いに異なる予測セットが複数集まった予測セット群から、予測セットを選択する。また、予測モード決定部（１１）は、選択された予測セットから、予測モードを選択する。エントロピー符号化部（４）は、選択された予測セットおよび予測モードならびに当該予測セットおよび予測モードから作成した予測画像と入力画像との残差データを符号化する。これにより、画像符号化装置において、より多様な角度からの予測を可能とし、予測効率を向上させることができる。
PCT/JP2008/061672 2007-06-29 2008-06-26 画像符号化装置、画像符号化方法、画像復号装置、画像復号方法、プログラム、および記録媒体 Ceased WO2009004985A1 (ja)

Priority Applications (15)

Application Number Priority Date Filing Date Title
EP08777637.3A EP2166769B1 (en) 2007-06-29 2008-06-26 Image encoding device, image encoding method, image decoding device, image decoding method, program, and recording medium
RU2010102951/07A RU2496252C2 (ru) 2007-06-29 2008-06-26 Устройство кодирования изображения, способ кодирования изображения, устройство декодирования изображения, способ декодирования изображения, программа и запоминающий носитель
EP18185484.5A EP3410706B1 (en) 2007-06-29 2008-06-26 Image encoding device and image decoding device
CN2008800216140A CN101690235B (zh) 2007-06-29 2008-06-26 图像编码装置、图像编码方法、图像译码装置、图像译码方法、程序以及记录介质
JP2009521599A JP5351021B2 (ja) 2007-06-29 2008-06-26 画像符号化装置、および画像復号装置
HK10105107.7A HK1138458B (en) 2007-06-29 2008-06-26 Image encoding device, image encoding method, image decoding device, image decoding method, program, and recording medium
BR122019021946-0A BR122019021946B1 (pt) 2007-06-29 2008-06-26 Dispositivo de codificação de imagem para codificar imagens de entrada e dispositivo de decodificação de imagem para decodificar dados de imagens codificados
US12/667,004 US8644382B2 (en) 2007-06-29 2008-06-26 Image encoding device, image encoding method, image decoding device, image decoding method, program, and storage medium
BRPI0813904-0A BRPI0813904B1 (pt) 2007-06-29 2008-06-26 dispositivo de codificação de imagem para codificar imagens de entrada e dispositivo de decodificação de imagem para decodificar dados de imagens codificados
EP17156723.3A EP3190791B1 (en) 2007-06-29 2008-06-26 Image encoding device and image decoding device
US14/109,444 US9161037B2 (en) 2007-06-29 2013-12-17 Image encoding device, image encoding method, image decoding device, image decoding method, program, and storage medium
US14/848,010 US9667976B2 (en) 2007-06-29 2015-09-08 Image encoding device, image encoding method, image decoding device, image decoding method, program, and storage medium
US15/583,774 US9955171B2 (en) 2007-06-29 2017-05-01 Image decoder, image decoding method, image encoder, and image encode method
US15/920,018 US10306237B2 (en) 2007-06-29 2018-03-13 Image decoder, image decoding method, image encoder, and image encode method
US16/376,221 US11109037B2 (en) 2007-06-29 2019-04-05 Image decoder, image decoding method, image encoder, and image encode method

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007173379 2007-06-29
JP2007-173379 2007-06-29
JP2007268429 2007-10-15
JP2007-268429 2007-10-15

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US12/667,004 A-371-Of-International US8644382B2 (en) 2007-06-29 2008-06-26 Image encoding device, image encoding method, image decoding device, image decoding method, program, and storage medium
US14/109,444 Division US9161037B2 (en) 2007-06-29 2013-12-17 Image encoding device, image encoding method, image decoding device, image decoding method, program, and storage medium

Publications (1)

Publication Number Publication Date
WO2009004985A1 true WO2009004985A1 (ja) 2009-01-08

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PCT/JP2008/061672 Ceased WO2009004985A1 (ja) 2007-06-29 2008-06-26 画像符号化装置、画像符号化方法、画像復号装置、画像復号方法、プログラム、および記録媒体

Country Status (8)

Country Link
US (6) US8644382B2 (ja)
EP (3) EP3410706B1 (ja)
JP (5) JP5351021B2 (ja)
CN (6) CN103338365B (ja)
BR (2) BRPI0813904B1 (ja)
ES (1) ES2711203T3 (ja)
RU (2) RU2496252C2 (ja)
WO (1) WO2009004985A1 (ja)

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JP5798556B2 (ja) * 2010-07-15 2015-10-21 シャープ株式会社 復号装置、符号化装置
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RU2736781C1 (ru) * 2011-01-12 2020-11-20 Нтт Докомо, Инк. Способ кодирования изображения с предсказанием, устройство кодирования изображения с предсказанием, программа кодирования изображения с предсказанием, способ декодирования изображения с предсказанием, устройство декодирования изображения с предсказанием и программа декодирования изображения с предсказанием
CN107517384A (zh) * 2011-06-16 2017-12-26 Ge视频压缩有限责任公司 支持模式切换的熵编码
CN107517384B (zh) * 2011-06-16 2020-06-30 Ge视频压缩有限责任公司 解码器、编码器、解码方法、编码方法以及存储介质
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CN104883565A (zh) * 2014-12-31 2015-09-02 乐视网信息技术（北京）股份有限公司 一种高效视频编码的帧内预测模式决策方法及装置
US10841593B2 (en) 2015-06-18 2020-11-17 Qualcomm Incorporated Intra prediction and intra mode coding
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JP2018523372A (ja) * 2015-06-18 2018-08-16 クアルコム，インコーポレイテッド イントラ予測およびイントラモードコーディング
JP7059207B2 (ja) 2016-06-29 2022-04-25 ベー－コム デジタル画像のイントラコーディング方法および対応するデコーディング方法
JP2019520005A (ja) * 2016-06-29 2019-07-11 ベー−コムＢ Ｃｏｍ デジタル画像のイントラコーディング方法および対応するデコーディング方法
JP2018121353A (ja) * 2018-03-19 2018-08-02 株式会社Ｎｔｔドコモ 画像予測復号方法及び画像予測復号装置
US11277644B2 (en) 2018-07-02 2022-03-15 Qualcomm Incorporated Combining mode dependent intra smoothing (MDIS) with intra interpolation filter switching
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