CN1610416A - 用于时域递归色度信号噪声减弱的方法和装置 - Google Patents
用于时域递归色度信号噪声减弱的方法和装置 Download PDFInfo
- Publication number
- CN1610416A CN1610416A CNA2004100903349A CN200410090334A CN1610416A CN 1610416 A CN1610416 A CN 1610416A CN A2004100903349 A CNA2004100903349 A CN A2004100903349A CN 200410090334 A CN200410090334 A CN 200410090334A CN 1610416 A CN1610416 A CN 1610416A
- Authority
- CN
- China
- Prior art keywords
- value
- chrominance
- signal
- output signal
- movement representation
- 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
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Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/646—Circuits for processing colour signals for image enhancement, e.g. vertical detail restoration, cross-colour elimination, contour correction, chrominance trapping filters
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Picture Signal Circuits (AREA)
- Processing Of Color Television Signals (AREA)
- Color Television Image Signal Generators (AREA)
Abstract
Description
Claims (10)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03090358.7 | 2003-10-21 | ||
EP03090358A EP1526740A1 (en) | 2003-10-21 | 2003-10-21 | Method and apparatus for temporally recursive chrominance signal noise reduction |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1610416A true CN1610416A (zh) | 2005-04-27 |
CN100512450C CN100512450C (zh) | 2009-07-08 |
Family
ID=34384652
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004100903349A Active CN100512450C (zh) | 2003-10-21 | 2004-10-18 | 用于时域递归色度信号噪声减弱的方法和装置 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7336320B2 (zh) |
EP (2) | EP1526740A1 (zh) |
JP (1) | JP4633437B2 (zh) |
KR (1) | KR20050038567A (zh) |
CN (1) | CN100512450C (zh) |
DE (1) | DE602004013700D1 (zh) |
MX (1) | MXPA04010302A (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101883225B (zh) * | 2009-05-06 | 2012-06-27 | 晨星软件研发(深圳)有限公司 | 用以消除影像误差的滤波器与方法 |
CN102695232A (zh) * | 2011-03-22 | 2012-09-26 | 华为技术有限公司 | 一种业务建立的方法、设备及系统 |
CN111861942A (zh) * | 2020-07-31 | 2020-10-30 | 深圳市慧鲤科技有限公司 | 一种降噪方法及装置、电子设备和存储介质 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100739735B1 (ko) | 2005-09-16 | 2007-07-13 | 삼성전자주식회사 | 액정 디스플레이 구동 방법 및 이를 적용한 장치 |
TWI401944B (zh) * | 2007-06-13 | 2013-07-11 | Novatek Microelectronics Corp | 用於視訊處理系統之雜訊消除裝置 |
JP2009253579A (ja) * | 2008-04-04 | 2009-10-29 | Panasonic Corp | 撮像装置、画像処理装置及び画像処理方法並びに画像処理プログラム |
KR20140021450A (ko) * | 2012-08-10 | 2014-02-20 | 한국전자통신연구원 | 실시간 잡음 저감 전파 수신장치 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4240106A (en) * | 1976-10-14 | 1980-12-16 | Micro Consultants, Limited | Video noise reduction |
US4639784A (en) * | 1985-02-19 | 1987-01-27 | Rca Corporation | Video signal recursive filter adaptively controlled responsive to the history of image motion |
JPS6427387A (en) * | 1987-07-23 | 1989-01-30 | Toshiba Corp | Noise reduction circuit for chrominance carrier signal |
GB9022743D0 (en) * | 1990-10-19 | 1991-04-03 | Marconi Gec Ltd | Noise reduction of video signal |
JP2934036B2 (ja) * | 1991-03-07 | 1999-08-16 | 松下電器産業株式会社 | 動き検出方法およびノイズ低減装置 |
JPH05300409A (ja) * | 1992-04-16 | 1993-11-12 | Sony Corp | ノイズ低減装置 |
JP2826018B2 (ja) * | 1992-08-07 | 1998-11-18 | シャープ株式会社 | ビデオ信号のノイズ低減システム |
DE4319342C2 (de) * | 1993-06-11 | 1999-05-20 | Philips Patentverwaltung | Verfahren zur Reduktion von Störungen |
JP3364342B2 (ja) * | 1994-12-19 | 2003-01-08 | 松下電器産業株式会社 | 雑音除去装置 |
EP0796010B1 (en) * | 1996-03-12 | 2001-08-01 | Matsushita Electric Industrial Co., Ltd. | Noise reduction circuit for a TV receiver |
GB9607668D0 (en) * | 1996-04-12 | 1996-06-12 | Snell & Wilcox Ltd | Video noise reducer |
JP3314043B2 (ja) * | 1998-09-29 | 2002-08-12 | 松下電器産業株式会社 | 動き検出回路とノイズ低減装置 |
US6310982B1 (en) * | 1998-11-12 | 2001-10-30 | Oec Medical Systems, Inc. | Method and apparatus for reducing motion artifacts and noise in video image processing |
US6714258B2 (en) * | 2000-03-15 | 2004-03-30 | Koninklijke Philips Electronics N.V. | Video-apparatus with noise reduction |
-
2003
- 2003-10-21 EP EP03090358A patent/EP1526740A1/en not_active Withdrawn
-
2004
- 2004-07-23 EP EP04300465A patent/EP1526741B1/en active Active
- 2004-07-23 DE DE602004013700T patent/DE602004013700D1/de active Active
- 2004-10-18 CN CNB2004100903349A patent/CN100512450C/zh active Active
- 2004-10-19 MX MXPA04010302A patent/MXPA04010302A/es active IP Right Grant
- 2004-10-20 US US10/969,529 patent/US7336320B2/en active Active
- 2004-10-20 KR KR1020040083946A patent/KR20050038567A/ko not_active Application Discontinuation
- 2004-10-20 JP JP2004305749A patent/JP4633437B2/ja active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101883225B (zh) * | 2009-05-06 | 2012-06-27 | 晨星软件研发(深圳)有限公司 | 用以消除影像误差的滤波器与方法 |
CN102695232A (zh) * | 2011-03-22 | 2012-09-26 | 华为技术有限公司 | 一种业务建立的方法、设备及系统 |
CN102695232B (zh) * | 2011-03-22 | 2015-03-25 | 华为技术有限公司 | 一种业务建立的方法、设备及系统 |
CN111861942A (zh) * | 2020-07-31 | 2020-10-30 | 深圳市慧鲤科技有限公司 | 一种降噪方法及装置、电子设备和存储介质 |
Also Published As
Publication number | Publication date |
---|---|
JP2005130499A (ja) | 2005-05-19 |
US7336320B2 (en) | 2008-02-26 |
KR20050038567A (ko) | 2005-04-27 |
EP1526741A1 (en) | 2005-04-27 |
EP1526740A1 (en) | 2005-04-27 |
MXPA04010302A (es) | 2005-05-17 |
DE602004013700D1 (de) | 2008-06-26 |
CN100512450C (zh) | 2009-07-08 |
US20050083439A1 (en) | 2005-04-21 |
JP4633437B2 (ja) | 2011-02-16 |
EP1526741B1 (en) | 2008-05-14 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP02 | Change in the address of a patent holder | ||
CP02 | Change in the address of a patent holder |
Address after: I Si Eli Murli Nor, France Patentee after: THOMSON LICENSING Address before: La France Patentee before: THOMSON LICENSING |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20190201 Address after: Paris France Patentee after: International Digital Madison Patent Holding Co. Address before: I Si Eli Murli Nor, France Patentee before: THOMSON LICENSING Effective date of registration: 20190201 Address after: I Si Eli Murli Nor, France Patentee after: THOMSON LICENSING Address before: I Si Eli Murli Nor, France Patentee before: THOMSON LICENSING |