DE69823714T2 - Reduzieren des durch einen blockweise arbeitenden digitalen Bildkodierer/Dekodierer erzeugten Rauschstörsignals - Google Patents

Reduzieren des durch einen blockweise arbeitenden digitalen Bildkodierer/Dekodierer erzeugten Rauschstörsignals Download PDF

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Publication number
DE69823714T2
DE69823714T2 DE1998623714 DE69823714T DE69823714T2 DE 69823714 T2 DE69823714 T2 DE 69823714T2 DE 1998623714 DE1998623714 DE 1998623714 DE 69823714 T DE69823714 T DE 69823714T DE 69823714 T2 DE69823714 T2 DE 69823714T2
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image
noise
block
signals
signal processing
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Expired - Lifetime
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DE1998623714
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German (de)
English (en)
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DE69823714D1 (de
Inventor
Hiroshi Shinagawa-ku Kobayashi
Kyoko Shinagawa-ku Fukuda
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Sony Corp
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Sony Corp
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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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • 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
    • H04N19/134—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
    • H04N19/134—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
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • 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
    • H04N19/169—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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/527—Global motion vector 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
    • H04N19/60—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Processing Of Color Television Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Image Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Television Signal Processing For Recording (AREA)
DE1998623714 1997-02-13 1998-02-04 Reduzieren des durch einen blockweise arbeitenden digitalen Bildkodierer/Dekodierer erzeugten Rauschstörsignals Expired - Lifetime DE69823714T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2939197A JP3800704B2 (ja) 1997-02-13 1997-02-13 映像信号処理装置及び方法
JP2939197 1997-02-13

Publications (2)

Publication Number Publication Date
DE69823714D1 DE69823714D1 (de) 2004-06-17
DE69823714T2 true DE69823714T2 (de) 2005-04-14

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DE1998623714 Expired - Lifetime DE69823714T2 (de) 1997-02-13 1998-02-04 Reduzieren des durch einen blockweise arbeitenden digitalen Bildkodierer/Dekodierer erzeugten Rauschstörsignals

Country Status (6)

Country Link
US (1) US6175596B1 (https=)
EP (1) EP0859518B1 (https=)
JP (1) JP3800704B2 (https=)
KR (1) KR100582427B1 (https=)
CN (1) CN1130918C (https=)
DE (1) DE69823714T2 (https=)

Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI106071B (fi) * 1997-03-13 2000-11-15 Nokia Mobile Phones Ltd Mukautuva suodatin
DE69842015D1 (de) * 1997-12-04 2011-01-05 Victor Company Of Japan Verfahren und Vorrichtung zur Verarbeitung von Videosignalen
JP2002537735A (ja) 1999-02-16 2002-11-05 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ ブロック効果減少のためのフィルタリング段階を用いたビデオ復号化装置及び方法
JP2003509979A (ja) * 1999-09-14 2003-03-11 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ デジタルビデオ画像におけるブロックアーチファクトを識別する方法及び装置
FI117533B (fi) 2000-01-20 2006-11-15 Nokia Corp Menetelmä digitaalisten videokuvien suodattamiseksi
US6597723B1 (en) * 2000-03-21 2003-07-22 Interdigital Technology Corporation Weighted open loop power control in a time division duplex communication system
US20020018585A1 (en) * 2000-07-19 2002-02-14 Kim Young Wan System and method for cardless secure credit transaction processing
FR2818862A1 (fr) * 2000-12-26 2002-06-28 Koninkl Philips Electronics Nv Procede de traitement de donnees
US20070053428A1 (en) * 2001-03-30 2007-03-08 Vixs Systems, Inc. Managed degradation of a video stream
US8107524B2 (en) * 2001-03-30 2012-01-31 Vixs Systems, Inc. Adaptive bandwidth footprint matching for multiple compressed video streams in a fixed bandwidth network
WO2002093935A1 (en) * 2001-05-10 2002-11-21 Matsushita Electric Industrial Co., Ltd. Image processing apparatus
US6968006B1 (en) 2001-06-05 2005-11-22 At&T Corp. Method of content adaptive video decoding
US7773670B1 (en) 2001-06-05 2010-08-10 At+T Intellectual Property Ii, L.P. Method of content adaptive video encoding
US6909745B1 (en) 2001-06-05 2005-06-21 At&T Corp. Content adaptive video encoder
US6810086B1 (en) 2001-06-05 2004-10-26 At&T Corp. System and method of filtering noise
US6970513B1 (en) 2001-06-05 2005-11-29 At&T Corp. System for content adaptive video decoding
WO2002102050A2 (en) * 2001-06-12 2002-12-19 Digital Interactive Streams, Inc. System and method for enhancing digital video
EP1286551A1 (en) * 2001-07-17 2003-02-26 Telefonaktiebolaget L M Ericsson (Publ) Error concealment for image information
CN1228732C (zh) 2002-01-23 2005-11-23 佳能株式会社 轮廓校正装置、轮廓校正方法
JP3863808B2 (ja) 2002-05-27 2006-12-27 三洋電機株式会社 輪郭強調回路
US6807317B2 (en) * 2002-10-25 2004-10-19 Motorola, Inc. Method and decoder system for reducing quantization effects of a decoded image
JP4123356B2 (ja) 2002-11-13 2008-07-23 富士ゼロックス株式会社 画像処理装置、画像処理プログラム、記憶媒体
KR20040047046A (ko) * 2002-11-29 2004-06-05 엘지전자 주식회사 동영상 디코더 및 디코딩 방법
US7643688B2 (en) * 2003-10-10 2010-01-05 Hewlett-Packard Development Company, L.P. Reducing artifacts in compressed images
US20070159556A1 (en) * 2004-03-25 2007-07-12 Koninklijke Philips Electronics N.V. Luminance transient improvemet using video encoding metric for digital video processing
US7430336B2 (en) * 2004-05-06 2008-09-30 Qualcomm Incorporated Method and apparatus for image enhancement for low bit rate video compression
JP2006101228A (ja) * 2004-09-29 2006-04-13 Toshiba Corp 映像処理装置
WO2006043190A1 (en) * 2004-10-18 2006-04-27 Koninklijke Philips Electronics N.V. Deblocking filter for video data
JP4534723B2 (ja) 2004-11-05 2010-09-01 株式会社日立製作所 画像表示装置、画像処理装置および画像処理方法
JP4715178B2 (ja) * 2004-11-30 2011-07-06 セイコーエプソン株式会社 画像補正装置、画像補正方法およびコンピュータプログラム
JP2006179975A (ja) * 2004-12-20 2006-07-06 Toshiba Corp 映像信号処理装置、映像信号処理方法及びテレビ放送受信装置
JP2006246249A (ja) * 2005-03-04 2006-09-14 Toshiba Corp 映像信号処理装置及び映像信号処理方法
WO2006099743A1 (en) * 2005-03-25 2006-09-28 Algolith Inc. Apparatus and method for objective assessment of dct-coded video quality with or without an original video sequence
JP5160451B2 (ja) * 2006-01-31 2013-03-13 トムソン ライセンシング エッジ・ベースの空間‐時間的フィルタリングの方法および装置
JP4747917B2 (ja) * 2006-04-03 2011-08-17 株式会社日立製作所 デジタル放送受信装置
KR100813068B1 (ko) * 2006-07-28 2008-03-14 엘지전자 주식회사 전계 강도에 따른 화질 보상 방법 및 장치
KR100696162B1 (ko) * 2006-08-11 2007-03-20 엠텍비젼 주식회사 이미지의 노이즈 감소 장치 및 노이즈 감소 방법, 이를수행하는 프로그램이 기록된 기록 매체
EP2234273B8 (en) * 2008-01-24 2013-08-07 Nippon Telegraph and Telephone Corporation Coding method, decoding method, apparatuses thereof, programs thereof, and recording medium
JP5071721B2 (ja) * 2008-02-27 2012-11-14 ソニー株式会社 画像処理装置および方法、並びにプログラム
KR101432227B1 (ko) * 2008-03-06 2014-08-27 삼성전자주식회사 전자기기에서 비트 해상도 증가 및 에지 강화 방법 및 장치
US8401311B2 (en) 2008-03-11 2013-03-19 Sony Corporation Image processing device, method, and program
JP5199955B2 (ja) * 2009-06-16 2013-05-15 キヤノン株式会社 画像復号装置及びその制御方法
JP5199956B2 (ja) * 2009-06-16 2013-05-15 キヤノン株式会社 画像復号装置及びその制御方法
KR101452713B1 (ko) * 2009-10-30 2014-10-21 삼성전자주식회사 픽처 경계의 부호화 단위를 부호화, 복호화 하는 방법 및 장치
JP4703759B2 (ja) * 2009-11-27 2011-06-15 株式会社東芝 画像処理装置および同装置における画像処理方法
KR101366776B1 (ko) * 2009-12-07 2014-02-21 세종대학교산학협력단 영상 객체 검출 장치 및 그 방법
JP4762352B1 (ja) 2010-03-17 2011-08-31 株式会社東芝 画像処理装置及び画像処理方法
JP2010193515A (ja) * 2010-05-06 2010-09-02 Fujitsu Ltd 画像処理方法
JP5055408B2 (ja) 2010-07-16 2012-10-24 シャープ株式会社 映像処理装置、映像処理方法、映像処理プログラム、記憶媒体
JP2012191250A (ja) * 2011-03-08 2012-10-04 Sony Corp 画像処理装置、画像処理方法、およびプログラム
US10492011B1 (en) 2019-02-19 2019-11-26 Joel E. Haynes Non-surgical bone conduction hearing aid
CN116132759B (zh) * 2023-04-19 2023-09-12 深圳市保凌影像科技有限公司 一种音视频流同步传输方法、装置、电子设备及存储介质

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3028553B2 (ja) * 1990-04-09 2000-04-04 ソニー株式会社 画像処理装置及び画像処理方法
US5081692A (en) * 1991-04-04 1992-01-14 Eastman Kodak Company Unsharp masking using center weighted local variance for image sharpening and noise suppression
US5367629A (en) * 1992-12-18 1994-11-22 Sharevision Technology, Inc. Digital video compression system utilizing vector adaptive transform
US5473384A (en) * 1993-12-16 1995-12-05 At&T Corp. Method of and system for enhancing distorted graphical information
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
US5781184A (en) * 1994-09-23 1998-07-14 Wasserman; Steve C. Real time decompression and post-decompress manipulation of compressed full motion video
EP0721286A3 (en) * 1995-01-09 2000-07-26 Matsushita Electric Industrial Co., Ltd. Video signal decoding apparatus with artifact reduction
JP3500751B2 (ja) * 1995-01-20 2004-02-23 ソニー株式会社 画像信号処理装置及び撮像装置
US5852475A (en) * 1995-06-06 1998-12-22 Compression Labs, Inc. Transform artifact reduction process
JP3221291B2 (ja) * 1995-07-26 2001-10-22 ソニー株式会社 画像処理装置、画像処理方法、ノイズ除去装置及びノイズ除去方法
US5819035A (en) * 1995-10-20 1998-10-06 Matsushita Electric Industrial Co., Ltd. Post-filter for removing ringing artifacts of DCT coding
US5909249A (en) * 1995-12-15 1999-06-01 General Instrument Corporation Reduction of noise visibility in a digital video system
KR100242636B1 (ko) * 1996-03-23 2000-02-01 윤종용 블록화효과 및 링잉노이즈 감소를 위한 신호적응후처리시스템
US5737451A (en) * 1996-04-10 1998-04-07 Eastman Kodak Company Method and apparatus for suppressing blocking artifacts in block-transform coded images
US5933542A (en) * 1996-04-24 1999-08-03 Sony Corporation Method and apparatus for blocking effect reduction in images by post-processing in the spatial domain
US5990955A (en) * 1997-10-03 1999-11-23 Innovacom Inc. Dual encoding/compression method and system for picture quality/data density enhancement

Also Published As

Publication number Publication date
CN1130918C (zh) 2003-12-10
EP0859518B1 (en) 2004-05-12
EP0859518A1 (en) 1998-08-19
US6175596B1 (en) 2001-01-16
KR100582427B1 (ko) 2006-09-27
JPH10229546A (ja) 1998-08-25
DE69823714D1 (de) 2004-06-17
KR19980071311A (ko) 1998-10-26
CN1215962A (zh) 1999-05-05
JP3800704B2 (ja) 2006-07-26

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