JP2000022992A5 - - Google Patents

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Publication number
JP2000022992A5
JP2000022992A5 JP1998187127A JP18712798A JP2000022992A5 JP 2000022992 A5 JP2000022992 A5 JP 2000022992A5 JP 1998187127 A JP1998187127 A JP 1998187127A JP 18712798 A JP18712798 A JP 18712798A JP 2000022992 A5 JP2000022992 A5 JP 2000022992A5
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JP
Japan
Prior art keywords
signal
video signal
output
noise reduction
voltage level
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Application number
JP1998187127A
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English (en)
Japanese (ja)
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JP2000022992A (ja
JP3863294B2 (ja
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Application filed filed Critical
Priority to JP18712798A priority Critical patent/JP3863294B2/ja
Priority claimed from JP18712798A external-priority patent/JP3863294B2/ja
Priority to US09/345,489 priority patent/US6195132B1/en
Priority to EP99305196A priority patent/EP0969658B1/en
Priority to DE69933090T priority patent/DE69933090T2/de
Publication of JP2000022992A publication Critical patent/JP2000022992A/ja
Publication of JP2000022992A5 publication Critical patent/JP2000022992A5/ja
Application granted granted Critical
Publication of JP3863294B2 publication Critical patent/JP3863294B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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JP18712798A 1998-07-02 1998-07-02 ノイズ低減信号処理回路および映像表示装置 Expired - Fee Related JP3863294B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP18712798A JP3863294B2 (ja) 1998-07-02 1998-07-02 ノイズ低減信号処理回路および映像表示装置
US09/345,489 US6195132B1 (en) 1998-07-02 1999-07-01 Noise reduction signal processing circuit and display apparatus
EP99305196A EP0969658B1 (en) 1998-07-02 1999-07-01 Noise reduction signal processing circuit and display apparatus
DE69933090T DE69933090T2 (de) 1998-07-02 1999-07-01 Signalverarbeitungsschaltung zur Rauschunterdrückung und Anzeigegerät

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18712798A JP3863294B2 (ja) 1998-07-02 1998-07-02 ノイズ低減信号処理回路および映像表示装置

Publications (3)

Publication Number Publication Date
JP2000022992A JP2000022992A (ja) 2000-01-21
JP2000022992A5 true JP2000022992A5 (enExample) 2004-10-14
JP3863294B2 JP3863294B2 (ja) 2006-12-27

Family

ID=16200599

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18712798A Expired - Fee Related JP3863294B2 (ja) 1998-07-02 1998-07-02 ノイズ低減信号処理回路および映像表示装置

Country Status (4)

Country Link
US (1) US6195132B1 (enExample)
EP (1) EP0969658B1 (enExample)
JP (1) JP3863294B2 (enExample)
DE (1) DE69933090T2 (enExample)

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Publication number Priority date Publication date Assignee Title
JP2001045336A (ja) * 1999-07-29 2001-02-16 Matsushita Electric Ind Co Ltd ノイズ検出装置、ノイズ検出方法、信号処理装置および信号処理方法
GB2361133B (en) 2000-04-07 2004-04-14 Snell & Wilcox Ltd Video signal processing
DE10146582A1 (de) * 2001-09-21 2003-04-24 Micronas Munich Gmbh Vorrichtung und Verfahren zur Teilbandzerlegung von Bildsignalen
KR100396557B1 (ko) * 2001-10-11 2003-09-02 삼성전자주식회사 영상 신호의 노이즈 감쇄 방법 및 그 장치
KR100429804B1 (ko) * 2001-12-29 2004-05-03 삼성전자주식회사 적응적 영상 노이즈 감쇄 장치 및 그 방법
US7092584B2 (en) 2002-01-04 2006-08-15 Time Warner Entertainment Company Lp Registration of separations
US6947607B2 (en) 2002-01-04 2005-09-20 Warner Bros. Entertainment Inc. Reduction of differential resolution of separations
JP4550502B2 (ja) * 2003-07-16 2010-09-22 三星電子株式会社 並列構造のｎｔｓｃ除去フィルタ及びフィルタリング方法
US7274828B2 (en) * 2003-09-11 2007-09-25 Samsung Electronics Co., Ltd. Method and apparatus for detecting and processing noisy edges in image detail enhancement
US7570831B2 (en) * 2004-04-29 2009-08-04 Hewlett-Packard Development Company, L.P. System and method for estimating image noise
JP4551873B2 (ja) * 2006-02-07 2010-09-29 Ｏｋｉセミコンダクタ株式会社 雑音量測定装置
JP4470901B2 (ja) * 2006-03-31 2010-06-02 ソニー株式会社 撮像装置、高周波成分検出回路、高周波成分検出方法及びコンピュータプログラム
JP4863767B2 (ja) * 2006-05-22 2012-01-25 ソニー株式会社 映像信号処理装置及び画像表示装置
TWI343206B (en) * 2006-10-12 2011-06-01 Novatek Microelectronics Corp Noise estimator device of a video decoder and related method
JP2009212587A (ja) * 2008-02-29 2009-09-17 Toshiba Corp フィルタ回路、これを用いた受信機及びフィルタリング方法
TWI387335B (zh) * 2008-05-26 2013-02-21 Novatek Microelectronics Corp 信號調節電路及其視訊裝置
US8687124B2 (en) 2010-02-15 2014-04-01 Sharp Kabushiki Kaisha Signal processing device, integrated circuit, control program, and computer readable recording medium
WO2011102046A1 (ja) * 2010-02-18 2011-08-25 シャープ株式会社 画像処理システム及び表示装置
US8687125B2 (en) 2010-05-18 2014-04-01 Sharp Kabushiki Kaisha Image processing system and display device for carrying out subtraction or addition of a pixel value of a target pixel in accordance with a value equivalent to a noise quantity
WO2012060290A1 (ja) * 2010-11-02 2012-05-10 シャープ株式会社 画像処理装置、画像処理方法及び表示装置
JP2014150296A (ja) * 2011-05-25 2014-08-21 Sharp Corp 画像処理装置及び画像処理方法
JP6059451B2 (ja) * 2011-06-23 2017-01-11 ローム株式会社 発光体駆動装置及びこれを用いた照明機器
JP6064462B2 (ja) * 2012-09-07 2017-01-25 シャープ株式会社 ノイズ低減装置、プロセッサ、映像表示装置、ノイズ低減方法およびプログラム
US9241128B2 (en) 2013-02-14 2016-01-19 Warner Bros. Entertainment Inc. Video conversion technology
WO2017120234A1 (en) * 2016-01-05 2017-07-13 The Trustees Of Dartmouth College Fast amplitude detector and automatic gain control

Family Cites Families (12)

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Publication number Priority date Publication date Assignee Title
US4562470A (en) * 1983-04-07 1985-12-31 Centre De Recherche Industrielle Du Quebec Electrical noise reducer for T.V. signals
JP2508442B2 (ja) * 1987-06-09 1996-06-19 ソニー株式会社 ノイズ除去回路
US5257109A (en) * 1990-07-02 1993-10-26 Akai Electric Co., Ltd. Magnetic recording and reproducing apparatus
DE4137404C2 (de) * 1991-11-14 1997-07-10 Philips Broadcast Television S Verfahren zur Reduktion von Rauschen
JP3006290B2 (ja) * 1992-06-25 2000-02-07 松下電器産業株式会社 ノイズ低減装置
US6097847A (en) * 1993-05-31 2000-08-01 Nec Corporation Method of and apparatus for calculating sharpness of image and apparatus for sharpening image
DE4319342C2 (de) * 1993-06-11 1999-05-20 Philips Patentverwaltung Verfahren zur Reduktion von Störungen
TW297202B (enExample) * 1993-10-13 1997-02-01 Rca Thomson Licensing Corp
EP0660595B1 (en) * 1993-12-20 2000-03-15 Matsushita Electric Industrial Co., Ltd. A noise reducer
US5574512A (en) * 1994-08-15 1996-11-12 Thomson Consumer Electronics, Inc. Motion adaptive video noise reduction system
KR0160690B1 (ko) * 1995-04-29 1999-01-15 김광호 영상신호 부호화/복호화장치에 있어서 블럭킹 효과 제거회로
GB2305054B (en) * 1995-08-29 2000-03-22 British Broadcasting Corp Blemish concealment in video signals

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