TW200733730A - Gamma curve adjustment device and method of establishing adjustment points - Google Patents

Gamma curve adjustment device and method of establishing adjustment points

Info

Publication number
TW200733730A
TW200733730A TW095129157A TW95129157A TW200733730A TW 200733730 A TW200733730 A TW 200733730A TW 095129157 A TW095129157 A TW 095129157A TW 95129157 A TW95129157 A TW 95129157A TW 200733730 A TW200733730 A TW 200733730A
Authority
TW
Taiwan
Prior art keywords
gamma curve
adjustment
tone values
adjustment points
gamma
Prior art date
Application number
TW095129157A
Other languages
English (en)
Inventor
Shiki Furui
Original Assignee
Seiko Epson Corp
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 Seiko Epson Corp filed Critical Seiko Epson Corp
Publication of TW200733730A publication Critical patent/TW200733730A/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
    • 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
    • H04N5/202—Gamma control
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/003—Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3179—Video signal processing therefor
    • H04N9/3182—Colour adjustment, e.g. white balance, shading or gamut
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
    • G09G2320/0276—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping for the purpose of adaptation to the characteristics of a display device, i.e. gamma correction
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0673—Adjustment of display parameters for control of gamma adjustment, e.g. selecting another gamma curve
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/485—End-user interface for client configuration

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Picture Signal Circuits (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Controls And Circuits For Display Device (AREA)
TW095129157A 2005-08-25 2006-08-09 Gamma curve adjustment device and method of establishing adjustment points TW200733730A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005244453A JP4341597B2 (ja) 2005-08-25 2005-08-25 ガンマカーブ調整装置及び調整ポイント設定方法

Publications (1)

Publication Number Publication Date
TW200733730A true TW200733730A (en) 2007-09-01

Family

ID=37434265

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095129157A TW200733730A (en) 2005-08-25 2006-08-09 Gamma curve adjustment device and method of establishing adjustment points

Country Status (6)

Country Link
US (1) US8456482B2 (zh)
EP (1) EP1758091A3 (zh)
JP (1) JP4341597B2 (zh)
KR (1) KR100849669B1 (zh)
CN (1) CN100418367C (zh)
TW (1) TW200733730A (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI795215B (zh) * 2022-02-17 2023-03-01 大陸商集創北方（珠海）科技有限公司 珈瑪對照表儲存方法、顯示驅動晶片、顯示裝置及資訊處理裝置

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005318028A (ja) * 2004-04-27 2005-11-10 Hitachi Ltd 表示装置
US7742200B2 (en) * 2005-01-11 2010-06-22 Xerox Corporation Pre-press production image alert system and method
KR100886099B1 (ko) * 2007-06-26 2009-03-04 주식회사 코아로직 감마 보정 곡선의 자동 산출 장치 및 방법
KR100900694B1 (ko) * 2007-06-27 2009-06-04 주식회사 코아로직 비선형 저조도 보정장치, 방법 및 상기 방법을프로그램화하여 수록한 컴퓨터로 읽을 수 있는 기록매체
CN101355712B (zh) * 2007-07-27 2011-09-21 佛山市顺德区顺达电脑厂有限公司 信号量测方法以及系统
JP4513891B2 (ja) 2008-04-09 2010-07-28 ソニー株式会社 映像信号処理装置、撮像装置、映像信号処理方法及びプログラム
JP2009288712A (ja) * 2008-05-30 2009-12-10 Canon Inc 画像表示装置及び表示システム
JP4735738B2 (ja) * 2009-05-25 2011-07-27 セイコーエプソン株式会社 プロジェクター及びプロジェクターの調整方法
JP4591618B2 (ja) * 2009-05-25 2010-12-01 セイコーエプソン株式会社 ガンマカーブ調整装置及び最小増減量設定方法
JP5509729B2 (ja) 2009-08-24 2014-06-04 ソニー株式会社 画像表示装置、画像表示方法及び画像処理装置
JP2011118099A (ja) * 2009-12-02 2011-06-16 Canon Inc 表示システム、画像処理装置、その制御方法、及びプログラム
JP2012019392A (ja) * 2010-07-08 2012-01-26 Nikon Corp 画像処理装置、電子カメラおよび画像処理プログラム
KR101818213B1 (ko) 2011-04-08 2018-02-22 삼성디스플레이 주식회사 구동 장치 및 이를 포함하는 표시 장치
US20120293533A1 (en) * 2011-05-19 2012-11-22 Foveon Inc. Methods for creating gamma correction and tone mapping effects in a digital image
CN102769726B (zh) * 2012-06-29 2015-03-25 深圳创维－Rgb电子有限公司 一种图像效果调整方法及智能装置
KR101975538B1 (ko) 2012-11-07 2019-05-08 삼성디스플레이 주식회사 유기전계 발광 표시장치의 계조전압 생성장치
JP6244654B2 (ja) * 2013-05-14 2017-12-13 船井電機株式会社 画像表示装置
KR20150066939A (ko) 2013-12-09 2015-06-17 씨제이씨지브이 주식회사 영상 중첩 영역의 왜곡 보정 방법, 기록 매체 및 실행 장치
CN105741775B (zh) * 2016-05-05 2019-01-22 京东方科技集团股份有限公司 调整伽马曲线的方法及装置
CN106446813B (zh) * 2016-09-13 2019-10-11 广州广电运通金融电子股份有限公司 一种指静脉识别装置的校准方法
WO2020203265A1 (ja) * 2019-03-29 2020-10-08 ソニー株式会社 映像信号処理装置、映像信号処理方法および撮像装置
CN111754912B (zh) * 2020-06-29 2022-09-30 昆山国显光电有限公司 一种伽马调试方法和装置
CN114067733B (zh) * 2020-08-07 2023-12-05 北京小米移动软件有限公司 显示屏校正方法、显示屏校正装置以及显示芯片

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03139972A (ja) * 1989-10-25 1991-06-14 Canon Inc 画像読取装置
JPH04217186A (ja) 1990-12-19 1992-08-07 Mitsubishi Electric Corp ビデオコピー装置
US5469275A (en) 1992-08-04 1995-11-21 International Business Machines Corporation Method and apparatus for grayscale adjustment
JP3971465B2 (ja) * 1995-06-08 2007-09-05 ソニー株式会社 カメラのセットアップ方法及びそのシステム
GB2321377B (en) * 1997-01-21 2001-07-25 Ibm Method and apparatus for presenting a data range for user selection of a value within the range via a graphical user interface
EP0920223A4 (en) * 1997-03-14 2002-11-27 Sony Corp COLOR CORRECTION AND IMAGE PROCESSING METHOD AND DEVICE
JP4055968B2 (ja) 1998-02-12 2008-03-05 株式会社リコー プリンタガンマ補正方法、画像処理装置および記録媒体
DK0947955T3 (da) * 1998-04-03 2001-12-17 Da Vinci Systems Inc Fremgangsmåder og apparatur til frembringelse af kundespecifikke gammakurver for farvekorrektionsudstyr
JPH11355606A (ja) 1998-06-10 1999-12-24 Mitsubishi Electric Corp 表示装置及び補正曲線設計方法
JP2000172825A (ja) 1998-12-01 2000-06-23 Fujitsu Ltd Ｌｕｔカーブ作成方法
JP2002135614A (ja) 2000-01-07 2002-05-10 Sharp Corp 画像処理装置
US6614456B1 (en) * 2000-01-19 2003-09-02 Xerox Corporation Systems, methods and graphical user interfaces for controlling tone reproduction curves of image capture and forming devices
JP2002027260A (ja) 2000-07-12 2002-01-25 Riso Kagaku Corp カラー画像のグレー変換方法および装置
JP2002311915A (ja) 2001-04-16 2002-10-25 Nec Corp 階調電圧生成方法、階調電圧生成回路及び液晶表示装置
EP1417669B1 (en) * 2001-08-01 2007-04-04 Koninklijke Philips Electronics N.V. Method and device for gamma correction
JP2003060914A (ja) 2001-08-15 2003-02-28 Ricoh Co Ltd 画像形成装置
JP2003122336A (ja) 2001-10-12 2003-04-25 Nec Viewtechnology Ltd 画像表示装置並びに表示画像の色およびガンマ値の調整方法
US6844881B1 (en) 2002-03-29 2005-01-18 Apple Computer, Inc. Method and apparatus for improved color correction
JP2003298877A (ja) 2002-03-29 2003-10-17 Fujitsu General Ltd 非線形処理回路
JP4131158B2 (ja) 2002-10-18 2008-08-13 ソニー株式会社 映像信号処理装置、ガンマ補正方法及び表示装置
JP4363880B2 (ja) 2003-04-02 2009-11-11 東芝マイクロエレクトロニクス株式会社 非線形処理回路
JP2004354858A (ja) 2003-05-30 2004-12-16 Seiko Epson Corp 画像表示装置および画像表示システム
JP2005099620A (ja) 2003-09-26 2005-04-14 Nec Viewtechnology Ltd プロジェクタ、その表示パラメータの書込み読出し方法およびプログラム
JP4042704B2 (ja) 2004-02-02 2008-02-06 松下電器産業株式会社 画像表示装置
JP2005244453A (ja) 2004-02-25 2005-09-08 Denon Ltd ディスク再生装置
US7551179B2 (en) 2005-08-10 2009-06-23 Seiko Epson Corporation Image display apparatus and image adjusting method
US7783105B2 (en) * 2006-06-07 2010-08-24 National Semiconductor Corporation Method and system for digitally scaling a gamma curve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI795215B (zh) * 2022-02-17 2023-03-01 大陸商集創北方（珠海）科技有限公司 珈瑪對照表儲存方法、顯示驅動晶片、顯示裝置及資訊處理裝置

Also Published As

Publication number Publication date
EP1758091A2 (en) 2007-02-28
EP1758091A3 (en) 2009-11-25
KR20070024364A (ko) 2007-03-02
US20070047033A1 (en) 2007-03-01
JP4341597B2 (ja) 2009-10-07
CN100418367C (zh) 2008-09-10
US8456482B2 (en) 2013-06-04
CN1921585A (zh) 2007-02-28
KR100849669B1 (ko) 2008-08-01
JP2007060393A (ja) 2007-03-08

Similar Documents

Publication Publication Date Title
TW200733730A (en) Gamma curve adjustment device and method of establishing adjustment points
EP1152597A3 (en) Calibration for an image output device
TWI407420B (zh) 液晶顯示器及其源極驅動電路
CN106023929B (zh) 显示装置的白平衡调整方法及其系统
TW356557B (en) Good rate computing method of integrated circuit device
TWI720516B (zh) 應用處理器
EP2323289A3 (en) Mixing signal processing apparatus and mixing signal processing integrated circuit
RU2008109255A (ru) Управление множественными модемами в беспроводном терминале с использованием динамического изменения предельных мощностей передачи модемов
TW200711470A (en) Image display apparatus and image adjusting method
TW200708067A (en) Image adaptation system and method
WO2018045831A1 (zh) 眼图幅值调节方法、数据传输方法、电路和显示装置
TW200644648A (en) Image display device, method of generating correction value of image display device, program for generating correction value of image display device, and recording medium recording program thereon
TW200737961A (en) Method and apparatus for adjusting contrast of image
CN215220228U (zh) 显示装置和公共电压补偿电路
CN105228055A (zh) 低音音频补偿系统及其补偿方法
EP2139234A3 (en) Image processing apparatus
EP1276260A3 (en) Differential signal-delaying apparatus, receiver employing the apparatus, and communication system
TWI726472B (zh) 一種訊號處理方法、裝置和系統
EP1901583A4 (en) APPARATUS FOR LOCATING SOUND IMAGES
ATE512551T1 (de) Nichtlineare bildverarbeitung
JP4723554B2 (ja) 多様なデータ量を有する高速データ間のインターフェース変換方法及び装置
MY158025A (en) System and method for receiving multiple channels
TWI256539B (en) Apparatus and method for generating a clock signal
WO2010087863A1 (en) Method of leveling a plurality of audio signals
EP1345433A3 (en) Image format conversion