TW200503527A - Image processing method for improving the contrast in a digital display panel - Google Patents

Image processing method for improving the contrast in a digital display panel

Info

Publication number
TW200503527A
TW200503527A TW093112707A TW93112707A TW200503527A TW 200503527 A TW200503527 A TW 200503527A TW 093112707 A TW093112707 A TW 093112707A TW 93112707 A TW93112707 A TW 93112707A TW 200503527 A TW200503527 A TW 200503527A
Authority
TW
Taiwan
Prior art keywords
image
compression
grey level
video signal
contrast
Prior art date
Application number
TW093112707A
Other languages
English (en)
Inventor
Thierry Borel
Didier Doyen
Original Assignee
Thomson Licensing Sa
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 Licensing Sa filed Critical Thomson Licensing Sa
Publication of TW200503527A publication Critical patent/TW200503527A/zh

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/24—Hoses or pipes; Hose or pipe couplings
    • A47L9/248—Parts, details or accessories of hoses or pipes
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3406—Control of illumination source
    • 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
    • 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
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • G09G2320/0646—Modulation of illumination source brightness and image signal correlated to each other
    • 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
    • G09G2320/066—Adjustment of display parameters for control of contrast
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/04—Changes in size, position or resolution of an image
    • G09G2340/0407—Resolution change, inclusive of the use of different resolutions for different screen areas
    • G09G2340/0428—Gradation resolution change
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/16—Calculation or use of calculated indices related to luminance levels in display data
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/2007—Display of intermediate tones
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Liquid Crystal (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Television Receiver Circuits (AREA)
TW093112707A 2003-05-07 2004-05-06 Image processing method for improving the contrast in a digital display panel TW200503527A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0305669A FR2854719A1 (fr) 2003-05-07 2003-05-07 Procede de traitement d'image visant a ameliorer le contraste dans un panneau d'affichage numerique

Publications (1)

Publication Number Publication Date
TW200503527A true TW200503527A (en) 2005-01-16

Family

ID=32982396

Family Applications (1)

Application Number Title Priority Date Filing Date
TW093112707A TW200503527A (en) 2003-05-07 2004-05-06 Image processing method for improving the contrast in a digital display panel

Country Status (7)

Country Link
US (1) US7528849B2 (zh)
EP (1) EP1475772B1 (zh)
JP (1) JP4949612B2 (zh)
KR (1) KR101029131B1 (zh)
CN (1) CN100384236C (zh)
FR (1) FR2854719A1 (zh)
TW (1) TW200503527A (zh)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI238003B (en) * 2004-06-04 2005-08-11 Prodisc Technology Inc Image processing method for display device
TWI239213B (en) * 2004-06-04 2005-09-01 Prodisc Technology Inc Display device
TWI286034B (en) * 2004-07-05 2007-08-21 Prodisc Technology Inc Display device and image processing method therefor
TWI245966B (en) * 2004-07-05 2005-12-21 Prodisc Technology Inc Display device and image processing method therefor
JP4687515B2 (ja) * 2006-03-13 2011-05-25 セイコーエプソン株式会社 動画像表示装置および動画像表示方法
KR101216176B1 (ko) * 2006-06-30 2012-12-28 엘지디스플레이 주식회사 유기발광다이오드 표시장치 및 그의 구동방법
JP2008039801A (ja) * 2006-08-01 2008-02-21 M & S Fine Tec Kk 液晶表示装置および液晶表示装置用バックライト制御システムならびに液晶表示装置用バックライトの制御方法
US8063873B2 (en) 2008-02-29 2011-11-22 Research In Motion Limited System and method for adjusting a backlight level for a display on an electronic device
EP2096623A1 (en) * 2008-02-29 2009-09-02 Research In Motion Limited System and method for adjusting a backlight level for a display on an electronic device
US8238688B2 (en) * 2008-03-11 2012-08-07 National Taiwan University Method for enhancing perceptibility of an image using luminance characteristics
CN104575391B (zh) * 2015-01-30 2017-10-10 青岛海信电器股份有限公司 一种显示信号处理方法及装置、自发光类显示器
JP6759813B2 (ja) * 2016-07-29 2020-09-23 株式会社Ｊｖｃケンウッド 処理装置、表示システム、表示方法、及びプログラム

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01239589A (ja) * 1988-03-22 1989-09-25 Toshiba Corp 画像表示装置
JPH0566501A (ja) * 1991-09-09 1993-03-19 Toshiba Corp 投射型液晶表示装置
JPH06102484A (ja) * 1992-09-18 1994-04-15 Matsushita Electric Ind Co Ltd 空間光変調素子を用いた映像表示方法及び映像表示装置
JPH06332399A (ja) * 1993-05-19 1994-12-02 Fujitsu General Ltd 電子ディスプレイの制御方法およびその装置
JP3513312B2 (ja) * 1996-03-05 2004-03-31 キヤノン株式会社 表示装置
JPH1165531A (ja) * 1997-08-20 1999-03-09 Fujitsu Ltd 画像表示装置および画像表示用ｌｓｉ
JPH11109317A (ja) * 1997-09-30 1999-04-23 Sony Corp 液晶表示装置
JP3556138B2 (ja) * 1998-12-24 2004-08-18 富士通株式会社 表示装置
JP2000307896A (ja) * 1999-04-15 2000-11-02 Toshiba Corp 画像処理装置及び画像処理方法
TWI285872B (en) * 1999-05-10 2007-08-21 Matsushita Electric Ind Co Ltd Image display device and method for displaying image
JP3430998B2 (ja) * 1999-11-08 2003-07-28 松下電器産業株式会社 画像表示装置および画像表示方法
CN1237791C (zh) * 2000-07-03 2006-01-18 图象公司 用于增强透射系统动态范围的设备和技术
US7653814B2 (en) * 2001-12-11 2010-01-26 International Business Machines Corporation System and method for securely hyperlinking graphic objects

Also Published As

Publication number Publication date
JP2004334217A (ja) 2004-11-25
KR101029131B1 (ko) 2011-04-13
CN100384236C (zh) 2008-04-23
FR2854719A1 (fr) 2004-11-12
EP1475772A1 (en) 2004-11-10
KR20040095685A (ko) 2004-11-15
US20050007391A1 (en) 2005-01-13
US7528849B2 (en) 2009-05-05
CN1551623A (zh) 2004-12-01
JP4949612B2 (ja) 2012-06-13
EP1475772B1 (en) 2011-07-06

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