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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
Application number
PCT/JP2008/061672
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English (en)
French (fr)
Inventor
Takeshi Tsukuba
Yasuaki Tokumo
Original Assignee
Sharp Kabushiki Kaisha
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 to CN2008800216140A priority Critical patent/CN101690235B/zh
Priority to US12/667,004 priority patent/US8644382B2/en
Priority to RU2010102951/07A priority patent/RU2496252C2/ru
Priority to EP18185484.5A priority patent/EP3410706B1/en
Priority to BRPI0813904-0A priority patent/BRPI0813904B1/pt
Priority to BR122019021946-0A priority patent/BR122019021946B1/pt
Priority to EP08777637.3A priority patent/EP2166769B1/en
Priority to JP2009521599A priority patent/JP5351021B2/ja
Priority to EP17156723.3A priority patent/EP3190791B1/en
Application filed by Sharp Kabushiki Kaisha filed Critical Sharp Kabushiki Kaisha
Publication of WO2009004985A1 publication Critical patent/WO2009004985A1/ja
Priority to HK10105107.7A priority patent/HK1138458A1/xx
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

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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 WO2009004985A1 (ja)

Priority Applications (15)

Application Number Priority Date Filing Date Title
EP17156723.3A EP3190791B1 (en) 2007-06-29 2008-06-26 Image encoding device and image decoding device
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
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
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
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
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
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
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
HK10105107.7A HK1138458A1 (en) 2007-06-29 2010-05-25 Image encoding device, image encoding method, image decoding device, image decoding method, program, and recording medium
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)

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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)

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WO2009004985A1 true WO2009004985A1 (ja) 2009-01-08

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US (6) US8644382B2 (ja)
EP (3) EP3410706B1 (ja)
JP (5) JP5351021B2 (ja)
CN (6) CN103281542B (ja)
BR (2) BR122019021946B1 (ja)
ES (1) ES2711203T3 (ja)
HK (3) HK1138458A1 (ja)
RU (2) RU2496252C2 (ja)
WO (1) WO2009004985A1 (ja)

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