DE602007012621D1 - Dynamisches Gewinnanpassungsverfahren auf Helligkeitsbasis und Vorrichtung dafür - Google Patents

Dynamisches Gewinnanpassungsverfahren auf Helligkeitsbasis und Vorrichtung dafür

Info

Publication number
DE602007012621D1
DE602007012621D1 DE602007012621T DE602007012621T DE602007012621D1 DE 602007012621 D1 DE602007012621 D1 DE 602007012621D1 DE 602007012621 T DE602007012621 T DE 602007012621T DE 602007012621 T DE602007012621 T DE 602007012621T DE 602007012621 D1 DE602007012621 D1 DE 602007012621D1
Authority
DE
Germany
Prior art keywords
brightness
adjustment method
gain adjustment
apparatus therefor
based dynamic
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.)
Active
Application number
DE602007012621T
Other languages
English (en)
Inventor
Tae-Hwan Cha
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics 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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of DE602007012621D1 publication Critical patent/DE602007012621D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/57—Control of contrast or brightness
    • 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
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/20—Circuitry for controlling amplitude response
    • H04N5/205—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
DE602007012621T 2006-07-27 2007-04-12 Dynamisches Gewinnanpassungsverfahren auf Helligkeitsbasis und Vorrichtung dafür Active DE602007012621D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020060070905A KR101244679B1 (ko) 2006-07-27 2006-07-27 밝기에 따른 동적 이득 조절 방법 및 장치

Publications (1)

Publication Number Publication Date
DE602007012621D1 true DE602007012621D1 (de) 2011-04-07

Family

ID=38461979

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602007012621T Active DE602007012621D1 (de) 2006-07-27 2007-04-12 Dynamisches Gewinnanpassungsverfahren auf Helligkeitsbasis und Vorrichtung dafür

Country Status (5)

Country Link
US (1) US8237867B2 (de)
EP (1) EP1883225B1 (de)
KR (1) KR101244679B1 (de)
CN (1) CN101115167A (de)
DE (1) DE602007012621D1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4524711B2 (ja) * 2008-08-04 2010-08-18 ソニー株式会社 ビデオ信号処理装置、ビデオ信号処理方法、プログラム
JP5676874B2 (ja) * 2009-10-30 2015-02-25 キヤノン株式会社 画像処理装置およびその制御方法、プログラム
US8736766B2 (en) * 2010-10-15 2014-05-27 Sharp Kabushiki Kaisha Image processing device, image processing method, image processing program, and recording medium, each capable of correcting luminance of image so that the local deterioration of grey scales is unlikely to occur
KR101731118B1 (ko) * 2010-11-11 2017-04-27 엘지디스플레이 주식회사 액정표시장치 및 그의 글로벌디밍 제어방법
JP5829758B2 (ja) 2011-10-20 2015-12-09 ドルビー ラボラトリーズ ライセンシング コーポレイション ビデオ等化のための方法およびシステム
KR102051538B1 (ko) * 2013-09-13 2020-01-08 에스케이하이닉스 주식회사 신호 처리 장치 및 그의 동작 방법
CN110177230B (zh) 2014-06-10 2020-12-15 松下知识产权经营株式会社 再现方法和再现装置
KR20220022725A (ko) 2020-08-19 2022-02-28 삼성전자주식회사 모듈러 디스플레이 장치 및 그 제어 방법

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5428981Y2 (de) * 1974-06-17 1979-09-17
US5262863A (en) * 1989-10-06 1993-11-16 Kabushiki Kaisha Toshiba Video signal processor having an adjustable noise cancelling circuit
JPH0678175A (ja) * 1992-08-27 1994-03-18 Sanyo Electric Co Ltd ピークリミッタ回路
KR0142290B1 (ko) * 1993-11-24 1998-06-15 김광호 장면적응 영상개선방법 및 그 회로
JP3697844B2 (ja) 1997-07-25 2005-09-21 株式会社富士通ゼネラル 輪郭強調回路
KR100343744B1 (ko) * 2000-09-30 2002-07-20 엘지전자주식회사 영상신호의 콘트라스트 향상 장치
US6600518B1 (en) 2000-11-06 2003-07-29 Koninklijke Philips Electronics N.V. Adaptive clipping prevention for picture sharpness enhancement
US6950561B2 (en) * 2001-01-10 2005-09-27 Koninklijke Philips Electronics N.V. Method and system for sharpness enhancement for coded video
JP4072445B2 (ja) * 2003-02-14 2008-04-09 キヤノン株式会社 画像表示装置
JP4200890B2 (ja) 2003-12-10 2008-12-24 株式会社日立製作所 映像信号処理装置及びそれを用いたテレビジョン受信機並びに映像信号処理方法
JP4387220B2 (ja) 2004-02-24 2009-12-16 株式会社日立製作所 映像表示方法及びその装置
WO2006041049A1 (ja) 2004-10-13 2006-04-20 Matsushita Electric Industrial Co., Ltd. 映像信号処理装置および画像処理装置

Also Published As

Publication number Publication date
US20080024673A1 (en) 2008-01-31
US8237867B2 (en) 2012-08-07
KR101244679B1 (ko) 2013-03-18
EP1883225B1 (de) 2011-02-23
CN101115167A (zh) 2008-01-30
KR20080010635A (ko) 2008-01-31
EP1883225A1 (de) 2008-01-30

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