IN192427B - - Google Patents

Info

Publication number
IN192427B
IN192427B IN1599CA1997A IN192427B IN 192427 B IN192427 B IN 192427B IN 1599CA1997 A IN1599CA1997 A IN 1599CA1997A IN 192427 B IN192427 B IN 192427B
Authority
IN
India
Application number
Other languages
English (en)
Inventor
Ii Kim Jong
Original Assignee
Daewoo Electronics 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 Daewoo Electronics Corp filed Critical Daewoo Electronics Corp
Publication of IN192427B publication Critical patent/IN192427B/en

Links

Classifications

    • 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
    • H04N19/134—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
    • H04N19/10—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
IN1599CA1997 1996-08-30 1997-08-29 IN192427B (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IN192427B true IN192427B (fr) 2004-04-24

Family

ID=19471851

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1599CA1997 IN192427B (fr) 1996-08-30 1997-08-29

Country Status (6)

Country Link
US (1) US5946421A (fr)
JP (1) JPH10126780A (fr)
KR (1) KR100229796B1 (fr)
CN (1) CN1124041C (fr)
GB (1) GB2316827B (fr)
IN (1) IN192427B (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100243225B1 (ko) * 1997-07-16 2000-02-01 윤종용 블록화효과 및 링잉잡음 감소를 위한 신호적응필터링방법 및신호적응필터
GB2352903B (en) * 1999-07-30 2003-10-29 Sony Uk Ltd Video data compression
GB2352906B (en) * 1999-07-30 2003-10-29 Sony Uk Ltd Video data compression
CN1383688A (zh) * 2000-04-21 2002-12-04 松下电器产业株式会社 像素运算装置
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
EP3282699B1 (fr) 2001-11-29 2019-10-23 Godo Kaisha IP Bridge 1 Procédé de retrait de distorsion de codage
CA2435757C (fr) * 2001-11-29 2013-03-19 Matsushita Electric Industrial Co., Ltd. Methode d'elimination de distorsions de codage video et appareil de codage et de decodage muni d'un filtre
RU2322770C2 (ru) * 2002-04-23 2008-04-20 Нокиа Корпорейшн Способ и устройство для указания параметров квантователя в системе видеокодирования
KR100961760B1 (ko) 2002-08-13 2010-06-07 퀄컴 인코포레이티드 이산코사인변환 계수를 참조하는 움직임 추정 방법 및 장치
JP4763525B2 (ja) 2006-06-21 2011-08-31 日本電信電話株式会社 映像整合方法
US8195001B2 (en) 2008-04-09 2012-06-05 Intel Corporation In-loop adaptive wiener filter for video coding and decoding
JP5362723B2 (ja) * 2008-07-30 2013-12-11 日立コンシューマエレクトロニクス株式会社 圧縮画像ノイズ除去装置と再生装置
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

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
GB9718396D0 (en) 1997-11-05
CN1175852A (zh) 1998-03-11
CN1124041C (zh) 2003-10-08
KR19980017213A (ko) 1998-06-05
JPH10126780A (ja) 1998-05-15
GB2316827A (en) 1998-03-04
GB2316827B (en) 2000-10-18
KR100229796B1 (ko) 1999-11-15
US5946421A (en) 1999-08-31

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