CN100502510C - 用于提取像素值的方法和装置 - Google Patents

用于提取像素值的方法和装置 Download PDF

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Publication number
CN100502510C
CN100502510C CNB028268733A CN02826873A CN100502510C CN 100502510 C CN100502510 C CN 100502510C CN B028268733 A CNB028268733 A CN B028268733A CN 02826873 A CN02826873 A CN 02826873A CN 100502510 C CN100502510 C CN 100502510C
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China
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pixel
dct
block
extracted
cos
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Expired - Fee Related
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CNB028268733A
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English (en)
Chinese (zh)
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CN1613260A (zh
Inventor
江健明
许利群
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British Telecommunications PLC
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British Telecommunications PLC
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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
    • H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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

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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 Of Band Width Or Redundancy In Fax (AREA)
  • Complex Calculations (AREA)
  • Image Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CNB028268733A 2002-01-07 2002-12-24 用于提取像素值的方法和装置 Expired - Fee Related CN100502510C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP02250075 2002-01-07
EP02250075.5 2002-01-07

Publications (2)

Publication Number Publication Date
CN1613260A CN1613260A (zh) 2005-05-04
CN100502510C true CN100502510C (zh) 2009-06-17

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CNB028268733A Expired - Fee Related CN100502510C (zh) 2002-01-07 2002-12-24 用于提取像素值的方法和装置

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Country Link
US (1) US7444033B2 (https=)
EP (1) EP1461958A2 (https=)
JP (2) JP2005514880A (https=)
KR (1) KR100964066B1 (https=)
CN (1) CN100502510C (https=)
AU (1) AU2002356326A1 (https=)
CA (1) CA2470346C (https=)
WO (1) WO2003058972A2 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007014590A1 (de) * 2006-04-11 2007-11-15 Mediatek Inc. Verfahren und System zur Bildüberlagerungsbearbeitung
JP4901450B2 (ja) * 2006-12-19 2012-03-21 株式会社東芝 動画像符号化装置
US8417045B2 (en) 2010-07-29 2013-04-09 Infoprint Solutions Company Llc Mechanism for processing order-16 discrete cosine transforms
CN109151480A (zh) * 2017-06-16 2019-01-04 宝山钢铁股份有限公司 一种视频编码无线传送接收装置及方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0838954A2 (en) * 1996-10-25 1998-04-29 Fuji Xerox Co., Ltd. Image encoding and decoding apparatus
US6052703A (en) * 1998-05-12 2000-04-18 Oak Technology, Inc. Method and apparatus for determining discrete cosine transforms using matrix multiplication and modified booth encoding

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2103455A (en) * 1981-07-22 1983-02-16 Post Office Method of transmitting an image and apparatus for carrying out the method
US5049992A (en) * 1990-08-27 1991-09-17 Zenith Electronics Corporation HDTV system with receivers operable at different levels of resolution
US5703965A (en) * 1992-06-05 1997-12-30 The Regents Of The University Of California Image compression/decompression based on mathematical transform, reduction/expansion, and image sharpening
JPH06237386A (ja) * 1993-02-10 1994-08-23 Ricoh Co Ltd 画像処理装置
US5828421A (en) * 1994-10-11 1998-10-27 Hitachi America, Ltd. Implementation efficient digital picture-in-picture decoding methods and apparatus
EP0735772A3 (en) * 1995-03-27 1998-04-01 Hewlett-Packard Company Method for selecting JPEG quantization tables for low bandwidth applications
US6381369B1 (en) * 1996-07-17 2002-04-30 Sony Corporation Image coding apparatus, image coding method, image decoding method, image decoding apparatus, image data transmitting method and recording medium
SG75179A1 (en) 1998-07-14 2000-09-19 Thomson Consumer Electronics System for deriving a decoded reduced-resolution video signal from a coded high-definition video signal
JP2000217112A (ja) * 1999-01-22 2000-08-04 Asahi Optical Co Ltd 画像圧縮伸張装置および画素数増加装置
KR100731708B1 (ko) * 2000-05-09 2007-06-25 소니 가부시끼 가이샤 데이터 처리 장치와 데이터 처리 방법, 및 기록 매체

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0838954A2 (en) * 1996-10-25 1998-04-29 Fuji Xerox Co., Ltd. Image encoding and decoding apparatus
US6052703A (en) * 1998-05-12 2000-04-18 Oak Technology, Inc. Method and apparatus for determining discrete cosine transforms using matrix multiplication and modified booth encoding

Also Published As

Publication number Publication date
JP4515534B2 (ja) 2010-08-04
CN1613260A (zh) 2005-05-04
AU2002356326A8 (en) 2003-07-24
JP2010081618A (ja) 2010-04-08
WO2003058972A2 (en) 2003-07-17
JP2005514880A (ja) 2005-05-19
AU2002356326A1 (en) 2003-07-24
WO2003058972A3 (en) 2003-09-04
KR20040070303A (ko) 2004-08-06
WO2003058972A9 (en) 2003-11-13
KR100964066B1 (ko) 2010-06-16
CA2470346C (en) 2012-05-01
US20050065988A1 (en) 2005-03-24
US7444033B2 (en) 2008-10-28
CA2470346A1 (en) 2003-07-17
EP1461958A2 (en) 2004-09-29

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Granted publication date: 20090617

Termination date: 20131224