JPH10229546A5 - - Google Patents

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Publication number
JPH10229546A5
JPH10229546A5 JP1997029391A JP2939197A JPH10229546A5 JP H10229546 A5 JPH10229546 A5 JP H10229546A5 JP 1997029391 A JP1997029391 A JP 1997029391A JP 2939197 A JP2939197 A JP 2939197A JP H10229546 A5 JPH10229546 A5 JP H10229546A5
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JP
Japan
Prior art keywords
threshold value
noise
block
quantization step
inverse
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP1997029391A
Other languages
English (en)
Japanese (ja)
Other versions
JPH10229546A (ja
JP3800704B2 (ja
Filing date
Publication date
Application filed filed Critical
Priority claimed from JP2939197A external-priority patent/JP3800704B2/ja
Priority to JP2939197A priority Critical patent/JP3800704B2/ja
Priority to EP19980300812 priority patent/EP0859518B1/en
Priority to DE1998623714 priority patent/DE69823714T2/de
Priority to US09/019,947 priority patent/US6175596B1/en
Priority to KR1019980004264A priority patent/KR100582427B1/ko
Priority to CN98106971A priority patent/CN1130918C/zh
Publication of JPH10229546A publication Critical patent/JPH10229546A/ja
Publication of JPH10229546A5 publication Critical patent/JPH10229546A5/ja
Publication of JP3800704B2 publication Critical patent/JP3800704B2/ja
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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JP2939197A 1997-02-13 1997-02-13 映像信号処理装置及び方法 Expired - Fee Related JP3800704B2 (ja)

Priority Applications (6)

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
EP19980300812 EP0859518B1 (en) 1997-02-13 1998-02-04 Reduction of noise generated by a digital picture coder/decoder which operates in blocks
DE1998623714 DE69823714T2 (de) 1997-02-13 1998-02-04 Reduzieren des durch einen blockweise arbeitenden digitalen Bildkodierer/Dekodierer erzeugten Rauschstörsignals
US09/019,947 US6175596B1 (en) 1997-02-13 1998-02-06 Picture signal encoding method and apparatus
KR1019980004264A KR100582427B1 (ko) 1997-02-13 1998-02-13 화상 신호 처리 장치 및 방법
CN98106971A CN1130918C (zh) 1997-02-13 1998-02-13 图像信号处理方法及装置

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
JPH10229546A JPH10229546A (ja) 1998-08-25
JPH10229546A5 true JPH10229546A5 (OSRAM) 2004-08-26
JP3800704B2 JP3800704B2 (ja) 2006-07-26

Family

ID=12274853

Family Applications (1)

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

Country Status (6)

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

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
US6559886B1 (en) * 1997-12-04 2003-05-06 Victor Company Of Japan, Limited Video signal processing method and device
CN1296703A (zh) * 1999-02-16 2001-05-23 皇家菲利浦电子有限公司 采用过滤来减少块效应的视频解码设备和方法
CN1197383C (zh) * 1999-09-14 2005-04-13 皇家菲利浦电子有限公司 用于识别数字视频图像中像块伪痕的方法和装置
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
CN1388946A (zh) * 2000-07-19 2003-01-01 金榮浣 用于无卡式安全信用交易处理的系统和方法
FR2818862A1 (fr) * 2000-12-26 2002-06-28 Koninkl Philips Electronics Nv Procede de traitement de donnees
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
US20070053428A1 (en) * 2001-03-30 2007-03-08 Vixs Systems, Inc. Managed degradation of a video stream
EP1401210A4 (en) * 2001-05-10 2011-12-21 Panasonic Corp IMAGING DEVICE
US6909745B1 (en) 2001-06-05 2005-06-21 At&T Corp. Content adaptive video encoder
US7773670B1 (en) 2001-06-05 2010-08-10 At+T Intellectual Property Ii, L.P. Method of content adaptive video encoding
US6968006B1 (en) 2001-06-05 2005-11-22 At&T Corp. Method of content adaptive video decoding
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
US7075993B2 (en) * 2001-06-12 2006-07-11 Digital Interactive Streams, Inc. Correction 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
US7391919B2 (en) 2002-01-23 2008-06-24 Canon Kabushiki Kaisha Edge correction apparatus, edge correction method, program, and storage medium
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
US7668397B2 (en) * 2005-03-25 2010-02-23 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
ES2409843T3 (es) * 2008-01-24 2013-06-28 Nippon Telegraph And Telephone Corporation Método de codificación, método de decodificación, y dispositivo y programa para los mismos, y medio o soporte de registro o grabación
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
EP2101505A3 (en) * 2008-03-11 2012-09-05 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

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