CA2086777A1 - Systeme de correction de signaux video - Google Patents

Systeme de correction de signaux video

Info

Publication number
CA2086777A1
CA2086777A1 CA2086777A CA2086777A CA2086777A1 CA 2086777 A1 CA2086777 A1 CA 2086777A1 CA 2086777 A CA2086777 A CA 2086777A CA 2086777 A CA2086777 A CA 2086777A CA 2086777 A1 CA2086777 A1 CA 2086777A1
Authority
CA
Canada
Prior art keywords
signal
apl
circuit
corrected
input
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
CA2086777A
Other languages
English (en)
Other versions
CA2086777C (fr
Inventor
Toshiaki Tsuji
Atsuhisa Kageyama
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of CA2086777A1 publication Critical patent/CA2086777A1/fr
Application granted granted Critical
Publication of CA2086777C publication Critical patent/CA2086777C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04N5/20—Circuitry for controlling amplitude response
    • 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
    • H04N9/68—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Picture Signal Circuits (AREA)
CA002086777A 1992-01-09 1993-01-06 Systeme de correction de signaux video Expired - Fee Related CA2086777C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP04-001920 1992-01-09
JP00192092A JP3208814B2 (ja) 1992-01-09 1992-01-09 映像信号補正装置

Publications (2)

Publication Number Publication Date
CA2086777A1 true CA2086777A1 (fr) 1993-07-10
CA2086777C CA2086777C (fr) 1998-11-17

Family

ID=11515031

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002086777A Expired - Fee Related CA2086777C (fr) 1992-01-09 1993-01-06 Systeme de correction de signaux video

Country Status (9)

Country Link
US (1) US5351141A (fr)
EP (1) EP0551189B1 (fr)
JP (1) JP3208814B2 (fr)
KR (1) KR0127896B1 (fr)
CN (1) CN1045149C (fr)
AU (1) AU642348B2 (fr)
CA (1) CA2086777C (fr)
DE (1) DE69310553T2 (fr)
MY (1) MY109041A (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5267028A (en) * 1988-08-26 1993-11-30 Canon Kabushiki Kaisha Solid state image pickup apparatus having luminance control
US5487020A (en) * 1993-01-18 1996-01-23 Canon Information Systems Research Australia Pty Ltd. Refinement of color images using reference colors
JP3136850B2 (ja) * 1993-07-28 2001-02-19 松下電器産業株式会社 映像信号の階調補正装置
BE1007609A3 (nl) * 1993-10-08 1995-08-22 Philips Electronics Nv Kleurverzadigingscorrectie-inrichting.
KR100255637B1 (ko) * 1997-05-27 2000-05-01 윤종용 영상신호의휘도보정방법및그회로
DE69842015D1 (de) * 1997-12-04 2011-01-05 Victor Company Of Japan Verfahren und Vorrichtung zur Verarbeitung von Videosignalen
EP1134698A1 (fr) 2000-03-13 2001-09-19 Koninklijke Philips Electronics N.V. Appareil de vidéo avec moyens de modification d'histogramme
US7034862B1 (en) * 2000-11-14 2006-04-25 Eastman Kodak Company System and method for processing electronically captured images to emulate film tonescale and color
JP4078649B2 (ja) 2004-01-28 2008-04-23 日本ビクター株式会社 映像信号処理装置及び方法
KR100734356B1 (ko) * 2004-10-12 2007-07-03 엘지전자 주식회사 영상처리방법 및 장치
JP2006203540A (ja) * 2005-01-20 2006-08-03 Toshiba Corp 映像信号処理装置及び映像信号処理方法
KR100640063B1 (ko) * 2005-02-18 2006-10-31 삼성전자주식회사 외부조도를 고려한 영상향상방법 및 장치
US8064691B2 (en) * 2007-05-15 2011-11-22 Creative Lifestyle, Inc. Method for identifying color in machine and computer vision applications
US9536322B1 (en) 2007-05-15 2017-01-03 Peter Harmon Smith Implementation of multi-camera tracking applications using rich color transition curve target sequences
US8526717B2 (en) 2007-05-15 2013-09-03 Vision Interface Technologies, LLC Rich color transition curve tracking method
CN101330564B (zh) * 2007-06-21 2010-06-09 联詠科技股份有限公司 信号修正方法及其电路及图像信号修正方法及其电路
JP5212481B2 (ja) * 2008-12-26 2013-06-19 日本電気株式会社 画像処理装置、画像処理方法および記憶媒体
CN114556907A (zh) * 2019-10-10 2022-05-27 麦克赛尔株式会社 影像显示装置以及投影仪

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57118492A (en) * 1980-12-25 1982-07-23 Toshiba Corp Color density control circuit
US4430665A (en) * 1981-12-14 1984-02-07 Rca Corporation Automatic video signal peaking and color control
JPS58121881A (ja) * 1982-01-14 1983-07-20 Sony Corp ビデオ信号の記録再生装置
JPS58156287A (ja) * 1982-03-12 1983-09-17 Pioneer Electronic Corp 映像再生装置
JPS58161482A (ja) * 1982-03-18 1983-09-26 Victor Co Of Japan Ltd カラ−映像信号処理回路
US4730665A (en) * 1983-07-14 1988-03-15 Technology Enterprises Company Apparatus for cooling high-density integrated circuit packages
JPS62227291A (ja) * 1986-03-29 1987-10-06 Toshiba Corp 自動色飽和度制御装置
DE3629403C2 (de) * 1986-08-29 1994-09-29 Agfa Gevaert Ag Verfahren zur Korrektur der Farbsättigung bei der elektronischen Bildverarbeitung
JPS6367874A (ja) * 1986-09-09 1988-03-26 Matsushita Electric Ind Co Ltd 自動利得制御回路
DE3809303A1 (de) * 1988-03-19 1989-10-05 Itt Ind Gmbh Deutsche Schaltungsanordnung zur farbsaettigungseinstellung
JPH01319386A (ja) * 1988-06-21 1989-12-25 Pioneer Electron Corp カラーノイズ低減回路
JPH02288583A (ja) * 1989-04-28 1990-11-28 Matsushita Electric Ind Co Ltd 映像信号処理装置
JPH0824379B2 (ja) * 1989-06-02 1996-03-06 三洋電機株式会社 信号分離回路
DE3924336C2 (de) * 1989-07-22 1998-12-03 Philips Broadcast Television S Schaltungsanordnung zur automatischen Korrektur der Farbbalance
US5089882A (en) * 1989-09-08 1992-02-18 Mscl, Inc. Processor for color video signals
JPH03201697A (ja) * 1989-12-27 1991-09-03 Matsushita Electric Ind Co Ltd 映像信号補正方法及び映像信号補正装置
DE4017881C2 (de) * 1990-06-02 1998-07-23 Philips Broadcast Television S Verfahren und Anordnung zur Entsättigung von Farben bei der Wiedergabe von Farbfernsehsignalen
JP2775997B2 (ja) * 1990-06-05 1998-07-16 松下電器産業株式会社 映像信号の階調補正装置およびテレビジョン受像機

Also Published As

Publication number Publication date
EP0551189A2 (fr) 1993-07-14
MY109041A (en) 1996-11-30
DE69310553D1 (de) 1997-06-19
KR930017455A (ko) 1993-08-30
DE69310553T2 (de) 1997-10-23
AU3102193A (en) 1993-07-15
EP0551189B1 (fr) 1997-05-14
CN1045149C (zh) 1999-09-15
KR0127896B1 (ko) 1998-04-04
JP3208814B2 (ja) 2001-09-17
AU642348B2 (en) 1993-10-14
JPH05191824A (ja) 1993-07-30
EP0551189A3 (fr) 1994-02-02
CA2086777C (fr) 1998-11-17
US5351141A (en) 1994-09-27
CN1075586A (zh) 1993-08-25

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed