CN1751521A - 图像解码装置、图像解码方法和图像解码程序 - Google Patents

图像解码装置、图像解码方法和图像解码程序 Download PDF

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Publication number
CN1751521A
CN1751521A CNA2004800041595A CN200480004159A CN1751521A CN 1751521 A CN1751521 A CN 1751521A CN A2004800041595 A CNA2004800041595 A CN A2004800041595A CN 200480004159 A CN200480004159 A CN 200480004159A CN 1751521 A CN1751521 A CN 1751521A
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China
Prior art keywords
inverse quantization
inverse
conversion coefficient
decoding
processing block
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Chinese (zh)
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渡边真司
泉伸明
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Sony Corp
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Sony Corp
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/12Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61Methods 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)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CNA2004800041595A 2003-12-15 2004-11-30 图像解码装置、图像解码方法和图像解码程序 Pending CN1751521A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP417336/2003 2003-12-15
JP2003417336A JP2005184042A (ja) 2003-12-15 2003-12-15 画像復号装置及び画像復号方法並びに画像復号プログラム

Publications (1)

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CN1751521A true CN1751521A (zh) 2006-03-22

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CNA2004800041595A Pending CN1751521A (zh) 2003-12-15 2004-11-30 图像解码装置、图像解码方法和图像解码程序

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US (1) US8249147B2 (2)
EP (1) EP1696677B1 (2)
JP (1) JP2005184042A (2)
KR (1) KR20060109290A (2)
CN (1) CN1751521A (2)
TW (1) TW200531450A (2)
WO (1) WO2005062622A1 (2)

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CN105847846A (zh) * 2010-07-19 2016-08-10 Sk电信有限公司 视频编码装置
CN107959857A (zh) * 2011-10-18 2018-04-24 株式会社Kt 视频信号解码方法

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KR101619972B1 (ko) 2008-10-02 2016-05-11 한국전자통신연구원 이산 여현 변환/이산 정현 변환을 선택적으로 이용하는 부호화/복호화 장치 및 방법
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MY165837A (en) * 2011-06-13 2018-05-17 Sun Patent Trust Image decoding method, image coding method, image decoding apparatus, image coding apparatus, and image coding and decoding apparatus
USRE47366E1 (en) 2011-06-23 2019-04-23 Sun Patent Trust Image decoding method and apparatus based on a signal type of the control parameter of the current block
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CN106878722B (zh) 2011-06-24 2019-11-12 太阳专利托管公司 解码方法、解码装置、编码方法、编码装置
EP2725793A4 (en) 2011-06-27 2014-12-03 Panasonic Ip Corp America Image Decoding Methods, Image Coding Methods, Image Decoding Apparatus, Image Coding Apparatus, and Image Coding / Decoding Apparatus
RU2602671C2 (ru) 2011-06-28 2016-11-20 Сан Пэтент Траст Способ декодирования изображений, способ кодирования изображений, устройство декодирования изображений, устройство кодирования изображений и устройство кодирования и декодирования изображений
WO2013001767A1 (ja) 2011-06-29 2013-01-03 パナソニック株式会社 画像復号方法、画像符号化方法、画像復号装置、画像符号化装置及び画像符号化復号装置
KR101900986B1 (ko) 2011-06-30 2018-09-20 선 페이턴트 트러스트 화상 복호 방법, 화상 부호화 방법, 화상 복호 장치, 화상 부호화 장치, 및, 화상 부호화 복호 장치
KR102060619B1 (ko) 2011-06-30 2019-12-30 선 페이턴트 트러스트 화상 복호 방법, 화상 부호화 방법, 화상 복호 장치, 화상 부호화 장치 및 화상 부호화 복호 장치
MY167090A (en) 2011-06-30 2018-08-10 Sun Patent Trust Image decoding method, image coding method, image decoding apparatus, image coding apparatus, and image coding and decoding apparatus
US8929455B2 (en) * 2011-07-01 2015-01-06 Mitsubishi Electric Research Laboratories, Inc. Method for selecting transform types from mapping table for prediction modes
KR102271116B1 (ko) 2011-07-11 2021-06-29 선 페이턴트 트러스트 화상 복호 방법, 화상 부호화 방법, 화상 복호 장치, 화상 부호화 장치 및 화상 부호화 복호 장치
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EP2770738A4 (en) 2011-10-19 2016-07-27 Panasonic Ip Corp America IMAGE ENCRYPTION METHOD, IMAGE ENCRYPTION DEVICE, IMAGE KEYING METHOD AND IMAGE WRITING DEVICE
CN107257456B (zh) * 2011-10-19 2020-03-06 株式会社Kt 解码视频信号的方法
KR101935977B1 (ko) 2011-10-28 2019-01-07 선 페이턴트 트러스트 화상 부호화 방법, 화상 복호 방법, 화상 부호화 장치 및 화상 복호 장치
PL2773111T3 (pl) 2011-10-28 2020-06-29 Sun Patent Trust Sposób kodowania obrazów, sposób dekodowania obrazów, urządzenie do kodowania obrazów i urządzenie do dekodowania obrazów
WO2014007520A1 (ko) * 2012-07-02 2014-01-09 한국전자통신연구원 영상 부호화/복호화 방법 및 장치
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Cited By (5)

* Cited by examiner, † Cited by third party
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CN105847846A (zh) * 2010-07-19 2016-08-10 Sk电信有限公司 视频编码装置
CN105847846B (zh) * 2010-07-19 2019-10-01 Sk电信有限公司 视频编码装置
CN107959857A (zh) * 2011-10-18 2018-04-24 株式会社Kt 视频信号解码方法
CN107959858A (zh) * 2011-10-18 2018-04-24 株式会社Kt 视频信号解码方法
CN107959857B (zh) * 2011-10-18 2022-03-01 株式会社Kt 视频信号解码方法

Also Published As

Publication number Publication date
US8249147B2 (en) 2012-08-21
TW200531450A (en) 2005-09-16
EP1696677A1 (en) 2006-08-30
JP2005184042A (ja) 2005-07-07
WO2005062622A1 (ja) 2005-07-07
TWI328357B (2) 2010-08-01
EP1696677A4 (en) 2011-05-18
KR20060109290A (ko) 2006-10-19
EP1696677B1 (en) 2013-05-22
US20060291556A1 (en) 2006-12-28

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