CN1124041C - 对解码视频图象的量化误差进行补偿的方法及装置 - Google Patents

对解码视频图象的量化误差进行补偿的方法及装置 Download PDF

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Publication number
CN1124041C
CN1124041C CN97116863A CN97116863A CN1124041C CN 1124041 C CN1124041 C CN 1124041C CN 97116863 A CN97116863 A CN 97116863A CN 97116863 A CN97116863 A CN 97116863A CN 1124041 C CN1124041 C CN 1124041C
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China
Prior art keywords
discrete cosine
cosine transform
transform coefficient
group
frame
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Expired - Fee Related
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CN97116863A
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Chinese (zh)
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CN1175852A (zh
Inventor
金钟一
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Fengye Vision Technology Co., Ltd.
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Daewoo Electronics Co Ltd
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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
    • H04N19/134—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
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
    • 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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/134—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
    • 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
    • H04N19/169—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
    • H04N19/18—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 a set of transform coefficients
    • 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
    • H04N19/60—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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation

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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)
  • Image Processing (AREA)
CN97116863A 1996-08-30 1997-09-01 对解码视频图象的量化误差进行补偿的方法及装置 Expired - Fee Related CN1124041C (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR36972/96 1996-08-30
KR1019960036972A KR100229796B1 (ko) 1996-08-30 1996-08-30 열화영상에 대한 보상기능을 갖는 영상 복호화 시스템
KR36972/1996 1996-08-30

Publications (2)

Publication Number Publication Date
CN1175852A CN1175852A (zh) 1998-03-11
CN1124041C true CN1124041C (zh) 2003-10-08

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CN97116863A Expired - Fee Related CN1124041C (zh) 1996-08-30 1997-09-01 对解码视频图象的量化误差进行补偿的方法及装置

Country Status (6)

Country Link
US (1) US5946421A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPH10126780A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
KR (1) KR100229796B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CN (1) CN1124041C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2316827B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IN (1) IN192427B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103152579B (zh) * 2008-04-09 2017-05-17 英特尔公司 用于视频编码及解码的环内自适应维纳滤波器

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KR100243225B1 (ko) * 1997-07-16 2000-02-01 윤종용 블록화효과 및 링잉잡음 감소를 위한 신호적응필터링방법 및신호적응필터
GB2352906B (en) * 1999-07-30 2003-10-29 Sony Uk Ltd Video data compression
GB2352903B (en) * 1999-07-30 2003-10-29 Sony Uk Ltd Video data compression
KR20020028161A (ko) * 2000-04-21 2002-04-16 마츠시타 덴끼 산교 가부시키가이샤 화소연산장치
US6831947B2 (en) 2001-03-23 2004-12-14 Sharp Laboratories Of America, Inc. Adaptive quantization based on bit rate prediction and prediction error energy
KR100390813B1 (ko) * 2001-05-29 2003-07-12 주식회사 하이닉스반도체 하드웨어의 메모리를 절반으로 줄인 디지탈 텔레비젼비디오 디코딩 장치 및 방법
PT2938071T (pt) * 2001-11-29 2018-01-08 Godo Kaisha Ip Bridge 1 Método de remoção de distorção de codificação
CN1264356C (zh) 2001-11-29 2006-07-12 松下电器产业株式会社 编码失真消除方法
EP1497990B1 (en) * 2002-04-23 2019-10-23 Nokia Technologies Oy Method and device for indicating quantizer parameters in a video coding system
KR100961760B1 (ko) 2002-08-13 2010-06-07 퀄컴 인코포레이티드 이산코사인변환 계수를 참조하는 움직임 추정 방법 및 장치
CN100490534C (zh) * 2004-12-23 2009-05-20 中华电信股份有限公司 连续影像压缩方法
JP4763525B2 (ja) 2006-06-21 2011-08-31 日本電信電話株式会社 映像整合方法
BRPI0913589B1 (pt) * 2008-07-30 2020-11-24 Maxell, Ltd. dispositivo de processamento de dados de imagem
NO346137B1 (en) * 2020-06-17 2022-03-14 Pexip AS Method, computer program and system for detecting changes and moving objects in a video view

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US5454051A (en) * 1991-08-05 1995-09-26 Eastman Kodak Company Method of reducing block artifacts created by block transform compression algorithms
KR970009302B1 (en) * 1993-08-17 1997-06-10 Lg Electronics Inc Block effect reducing apparatus for hdtv
JP2673778B2 (ja) * 1994-02-22 1997-11-05 国際電信電話株式会社 動画像の復号化における雑音低減装置
KR100213014B1 (ko) * 1994-03-15 1999-08-02 윤종용 동화상신호의 고능률 부호화를 위한 레이트 콘트롤 장치
US5777679A (en) * 1996-03-15 1998-07-07 International Business Machines Corporation Video decoder including polyphase fir horizontal filter
US5737451A (en) * 1996-04-10 1998-04-07 Eastman Kodak Company Method and apparatus for suppressing blocking artifacts in block-transform coded images

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103152579B (zh) * 2008-04-09 2017-05-17 英特尔公司 用于视频编码及解码的环内自适应维纳滤波器

Also Published As

Publication number Publication date
GB2316827B (en) 2000-10-18
GB2316827A (en) 1998-03-04
KR100229796B1 (ko) 1999-11-15
IN192427B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 2004-04-24
GB9718396D0 (en) 1997-11-05
JPH10126780A (ja) 1998-05-15
KR19980017213A (ko) 1998-06-05
US5946421A (en) 1999-08-31
CN1175852A (zh) 1998-03-11

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