DE69635401D1 - Vorrichtung zur Rauschdetektion in einem Farbvideosignal - Google Patents

Vorrichtung zur Rauschdetektion in einem Farbvideosignal

Info

Publication number
DE69635401D1
DE69635401D1 DE69635401T DE69635401T DE69635401D1 DE 69635401 D1 DE69635401 D1 DE 69635401D1 DE 69635401 T DE69635401 T DE 69635401T DE 69635401 T DE69635401 T DE 69635401T DE 69635401 D1 DE69635401 D1 DE 69635401D1
Authority
DE
Germany
Prior art keywords
video signal
noise detection
color video
color
noise
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.)
Expired - Lifetime
Application number
DE69635401T
Other languages
English (en)
Other versions
DE69635401T2 (de
Inventor
Mark Francis Rumreich
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Technicolor USA Inc
Original Assignee
Thomson Consumer Electronics Inc
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 Thomson Consumer Electronics Inc filed Critical Thomson Consumer Electronics Inc
Application granted granted Critical
Publication of DE69635401D1 publication Critical patent/DE69635401D1/de
Publication of DE69635401T2 publication Critical patent/DE69635401T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
    • H04N5/213—Circuitry for suppressing or minimising impulsive noise
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N17/00—Diagnosis, testing or measuring for television systems or their details
    • H04N17/02—Diagnosis, testing or measuring for television systems or their details for colour television signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Processing Of Color Television Signals (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Picture Signal Circuits (AREA)
DE69635401T 1995-09-15 1996-09-10 Vorrichtung zur Rauschdetektion in einem Farbvideosignal Expired - Lifetime DE69635401T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US528759 1990-05-25
US08/528,759 US5822011A (en) 1995-09-15 1995-09-15 Apparatus for detecting noise in a color video signal

Publications (2)

Publication Number Publication Date
DE69635401D1 true DE69635401D1 (de) 2005-12-15
DE69635401T2 DE69635401T2 (de) 2006-06-29

Family

ID=24107063

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69635401T Expired - Lifetime DE69635401T2 (de) 1995-09-15 1996-09-10 Vorrichtung zur Rauschdetektion in einem Farbvideosignal

Country Status (8)

Country Link
US (1) US5822011A (de)
EP (1) EP0763949B1 (de)
JP (1) JP3657710B2 (de)
KR (1) KR100390682B1 (de)
CN (1) CN1085004C (de)
DE (1) DE69635401T2 (de)
MY (1) MY116561A (de)
TW (1) TW306111B (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1023296A (ja) * 1996-07-05 1998-01-23 Canon Inc 信号処理装置及び方法
US6442188B1 (en) * 1998-07-20 2002-08-27 Intel Corporation Phase locked loop
US6351289B1 (en) * 1998-11-24 2002-02-26 Winbond Electronics Corp. Method and apparatus that generates VBI data coding waveforms
JP4344964B2 (ja) * 1999-06-01 2009-10-14 ソニー株式会社 画像処理装置および画像処理方法
GB0126067D0 (en) 2001-10-31 2001-12-19 Zarlink Semiconductor Ltd Method of and apparatus for detecting impulsive noise method of operating a demodulator demodulator and radio receiver
US7545937B2 (en) * 2001-12-12 2009-06-09 Thomson Licensing Chrominance processing arrangement having immunity to colorstripe encoding
US6834084B2 (en) * 2002-05-06 2004-12-21 Rf Micro Devices Inc Direct digital polar modulator
US7801244B2 (en) * 2002-05-16 2010-09-21 Rf Micro Devices, Inc. Am to AM correction system for polar modulator
US7991071B2 (en) * 2002-05-16 2011-08-02 Rf Micro Devices, Inc. AM to PM correction system for polar modulator
TW594662B (en) * 2003-06-03 2004-06-21 Chunghwa Picture Tubes Ltd Method for restraining noise when flat display turn on/off
WO2005112381A1 (ja) * 2004-05-17 2005-11-24 Mitsubishi Denki Kabushiki Kaisha 無線通信装置及び復調方法及び周波数偏差補正回路
US7551686B1 (en) 2004-06-23 2009-06-23 Rf Micro Devices, Inc. Multiple polynomial digital predistortion
US7529523B1 (en) 2004-08-23 2009-05-05 Rf Micro Devices, Inc. N-th order curve fit for power calibration in a mobile terminal
US8224265B1 (en) 2005-06-13 2012-07-17 Rf Micro Devices, Inc. Method for optimizing AM/AM and AM/PM predistortion in a mobile terminal
CN1988394B (zh) * 2005-12-20 2010-12-01 凌阳科技股份有限公司 抑制突发噪声的方法与装置
US7877060B1 (en) 2006-02-06 2011-01-25 Rf Micro Devices, Inc. Fast calibration of AM/PM pre-distortion
US7962108B1 (en) 2006-03-29 2011-06-14 Rf Micro Devices, Inc. Adaptive AM/PM compensation
US7689182B1 (en) 2006-10-12 2010-03-30 Rf Micro Devices, Inc. Temperature compensated bias for AM/PM improvement
US8009762B1 (en) 2007-04-17 2011-08-30 Rf Micro Devices, Inc. Method for calibrating a phase distortion compensated polar modulated radio frequency transmitter
KR20100101426A (ko) * 2009-03-09 2010-09-17 삼성전자주식회사 영상처리장치 및 그 제어 방법
US8489042B1 (en) 2009-10-08 2013-07-16 Rf Micro Devices, Inc. Polar feedback linearization
US8588535B2 (en) 2010-09-15 2013-11-19 Sharp Laboratories Of America, Inc. Methods and systems for estimation of compression noise
US8600188B2 (en) 2010-09-15 2013-12-03 Sharp Laboratories Of America, Inc. Methods and systems for noise reduction and image enhancement
US8538193B2 (en) 2010-09-28 2013-09-17 Sharp Laboratories Of America, Inc. Methods and systems for image enhancement and estimation of compression noise
US8175411B2 (en) 2010-09-28 2012-05-08 Sharp Laboratories Of America, Inc. Methods and systems for estimation of compression noise
US8532429B2 (en) 2010-09-28 2013-09-10 Sharp Laboratories Of America, Inc. Methods and systems for noise reduction and image enhancement involving selection of noise-control parameter
TWI495862B (zh) 2012-10-04 2015-08-11 Pixart Imaging Inc 檢測影像感測器的方法以及相關裝置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56153560A (en) * 1980-04-23 1981-11-27 Hitachi Ltd Corrector for time axis error
US4384306A (en) * 1981-06-22 1983-05-17 Rca Corporation Variable peaking control circuit
US4376952A (en) * 1981-07-30 1983-03-15 Rca Corporation Noise responsive automatic peaking control apparatus
US4430665A (en) * 1981-12-14 1984-02-07 Rca Corporation Automatic video signal peaking and color control
JPH0666771B2 (ja) * 1985-04-09 1994-08-24 株式会社東芝 位相同期回路
US4684989A (en) * 1986-02-07 1987-08-04 Rca Corporation Signal background noise detector
JPH0832059B2 (ja) * 1987-03-09 1996-03-27 株式会社日立製作所 ディジタルテレビジョン信号処理装置
US4989073A (en) * 1987-11-25 1991-01-29 Ampex Corporation System for compensating timing errors during sampling of signals
GB9028098D0 (en) * 1990-12-27 1991-02-13 Ferguson Ltd Television receiver
JPH0530394A (ja) * 1991-07-23 1993-02-05 Alps Electric Co Ltd ビデオ信号におけるノイズ検出装置
KR0137197B1 (ko) * 1992-11-05 1998-04-28 윤종용 영상처리장치에 있어서 화질 열화방지회로

Also Published As

Publication number Publication date
MX9604104A (es) 1998-05-31
EP0763949A2 (de) 1997-03-19
JP3657710B2 (ja) 2005-06-08
MY116561A (en) 2003-02-28
CN1085004C (zh) 2002-05-15
EP0763949A3 (de) 1999-07-07
CN1152714A (zh) 1997-06-25
TW306111B (de) 1997-05-21
DE69635401T2 (de) 2006-06-29
KR970019380A (ko) 1997-04-30
US5822011A (en) 1998-10-13
EP0763949B1 (de) 2005-11-09
KR100390682B1 (ko) 2003-10-22
JPH09168172A (ja) 1997-06-24

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition