JP2005184042A - 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 - Google Patents

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 Download PDF

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Publication number
JP2005184042A
JP2005184042A JP2003417336A JP2003417336A JP2005184042A JP 2005184042 A JP2005184042 A JP 2005184042A JP 2003417336 A JP2003417336 A JP 2003417336A JP 2003417336 A JP2003417336 A JP 2003417336A JP 2005184042 A JP2005184042 A JP 2005184042A
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Japan
Prior art keywords
inverse
transform
image
quantized
processing block
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Pending
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JP2003417336A
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English (en)
Japanese (ja)
Inventor
Shinji Watanabe
真司 渡辺
Nobuaki Izumi
伸明 泉
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Sony Corp
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Sony Corp
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
Application filed by Sony Corp filed Critical Sony Corp
Priority to JP2003417336A priority Critical patent/JP2005184042A/ja
Priority to CNA2004800041595A priority patent/CN1751521A/zh
Priority to KR20057014882A priority patent/KR20060109290A/ko
Priority to PCT/JP2004/017804 priority patent/WO2005062622A1/ja
Priority to EP20040820650 priority patent/EP1696677B1/en
Priority to US10/545,678 priority patent/US8249147B2/en
Priority to TW93138969A priority patent/TW200531450A/zh
Publication of JP2005184042A publication Critical patent/JP2005184042A/ja
Pending 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/12—Selection 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
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • H04N19/60—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)
  • 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)
JP2003417336A 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 Pending JP2005184042A (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
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
CNA2004800041595A 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
KR20057014882A KR20060109290A (ko) 2003-12-15 2004-11-30 화상 복호 장치 및 화상 복호 방법과 화상 복호 프로그램
PCT/JP2004/017804 WO2005062622A1 (ja) 2003-12-15 2004-11-30 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
EP20040820650 EP1696677B1 (en) 2003-12-15 2004-11-30 Image decoding device, image decoding method, and image decoding program
US10/545,678 US8249147B2 (en) 2003-12-15 2004-11-30 Image decoding device, image decoding method, and image decoding program
TW93138969A TW200531450A (en) 2003-12-15 2004-12-15 Image decoding device, image decoding method, and image decoding program

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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)

Publication Number Publication Date
JP2005184042A true JP2005184042A (ja) 2005-07-07

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Country Status (7)

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

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KR100681944B1 (ko) 2005-11-15 2007-02-12 학교법인 포항공과대학교 병렬 데이터 전송을 위한 분할된 집합 반전 인코딩 방법
JP2008288986A (ja) * 2007-05-18 2008-11-27 Sony Corp 画像処理装置およびその方法、並びにプログラム
WO2014007520A1 (ko) * 2012-07-02 2014-01-09 한국전자통신연구원 영상 부호화/복호화 방법 및 장치
US9843809B2 (en) 2012-07-02 2017-12-12 Electronics And Telecommunications Research Method and apparatus for coding/decoding image

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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
KR20110015356A (ko) * 2009-08-07 2011-02-15 한국전자통신연구원 차분 신호의 특성에 기반한 적응적인 변환 부호화/양자화 영역을 이용한 동영상 부호화/복호화 장치 및 그 방법
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US9106919B2 (en) 2011-06-24 2015-08-11 Panasonic Intellectual Property Corporation Of America Image decoding method, image coding method, image decoding apparatus, image coding apparatus, and image coding and decoding apparatus
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KR102006032B1 (ko) 2011-06-29 2019-07-31 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
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KR100681944B1 (ko) 2005-11-15 2007-02-12 학교법인 포항공과대학교 병렬 데이터 전송을 위한 분할된 집합 반전 인코딩 방법
JP2008288986A (ja) * 2007-05-18 2008-11-27 Sony Corp 画像処理装置およびその方法、並びにプログラム
WO2014007520A1 (ko) * 2012-07-02 2014-01-09 한국전자통신연구원 영상 부호화/복호화 방법 및 장치
US9843809B2 (en) 2012-07-02 2017-12-12 Electronics And Telecommunications Research Method and apparatus for coding/decoding image
US10045031B2 (en) 2012-07-02 2018-08-07 Electronic And Telecommunications Research Method and apparatus for coding/decoding image
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Publication number Publication date
US20060291556A1 (en) 2006-12-28
TWI328357B (enExample) 2010-08-01
US8249147B2 (en) 2012-08-21
EP1696677A4 (en) 2011-05-18
TW200531450A (en) 2005-09-16
KR20060109290A (ko) 2006-10-19
EP1696677A1 (en) 2006-08-30
CN1751521A (zh) 2006-03-22
WO2005062622A1 (ja) 2005-07-07
EP1696677B1 (en) 2013-05-22

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