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WO2006060666A3 - Procedes et systemes permettant d'ajuster l'echelle de nuances propre a une image et de reguler la source de lumiere - Google Patents

Procedes et systemes permettant d'ajuster l'echelle de nuances propre a une image et de reguler la source de lumiere Download PDF

Info

Publication number
WO2006060666A3
WO2006060666A3 PCT/US2005/043647 US2005043647W WO2006060666A3 WO 2006060666 A3 WO2006060666 A3 WO 2006060666A3 US 2005043647 W US2005043647 W US 2005043647W WO 2006060666 A3 WO2006060666 A3 WO 2006060666A3
Authority
WO
WIPO (PCT)
Prior art keywords
methods
image
light
source control
tone scale
Prior art date
Application number
PCT/US2005/043647
Other languages
English (en)
Other versions
WO2006060666A2 (fr
Inventor
Louis Joseph Kerofsky
Scott James Daly
Sugino Michiyuki
Original Assignee
Sharp Lab Of America
Louis Joseph Kerofsky
Scott James Daly
Sugino Michiyuki
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
Priority claimed from US11/154,052 external-priority patent/US7800577B2/en
Priority claimed from US11/154,054 external-priority patent/US8913089B2/en
Priority claimed from US11/154,053 external-priority patent/US8922594B2/en
Priority claimed from US11/224,792 external-priority patent/US7961199B2/en
Application filed by Sharp Lab Of America, Louis Joseph Kerofsky, Scott James Daly, Sugino Michiyuki filed Critical Sharp Lab Of America
Publication of WO2006060666A2 publication Critical patent/WO2006060666A2/fr
Publication of WO2006060666A3 publication Critical patent/WO2006060666A3/fr

Links

Classifications

    • 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
    • G09G3/22—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 using controlled light sources
    • 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
    • G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
    • 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
    • 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
    • G09G2320/0633—Adjustment of display parameters for control of overall brightness by amplitude modulation of the brightness of the 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
    • G09G2320/06—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
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • G09G2320/0653—Controlling or limiting the speed of brightness adjustment of the 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
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02—Details of power systems and of start or stop of display operation
    • G09G2330/021—Power management, e.g. power saving
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Liquid Crystal (AREA)

Abstract

Cette invention concerne des systèmes, des procédés et des dispositifs permettant d'ajuster des codets d'images conjointement avec des niveaux d'éclairage par une source de lumière pour obtenir un meilleur affichage d'une image.
PCT/US2005/043647 2004-12-02 2005-12-02 Procedes et systemes permettant d'ajuster l'echelle de nuances propre a une image et de reguler la source de lumiere WO2006060666A2 (fr)

Applications Claiming Priority (18)

Application Number Priority Date Filing Date Title
US63277604P 2004-12-02 2004-12-02
US63277904P 2004-12-02 2004-12-02
US60/632,779 2004-12-02
US60/632,776 2004-12-02
US66004905P 2005-03-09 2005-03-09
US60/660,049 2005-03-09
US67074905P 2005-04-11 2005-04-11
US60/670,749 2005-04-11
US11/154,053 2005-06-15
US11/154,052 US7800577B2 (en) 2004-12-02 2005-06-15 Methods and systems for enhancing display characteristics
US11/154,054 US8913089B2 (en) 2005-06-15 2005-06-15 Methods and systems for enhancing display characteristics with frequency-specific gain
US11/154,052 2005-06-15
US11/154,053 US8922594B2 (en) 2005-06-15 2005-06-15 Methods and systems for enhancing display characteristics with high frequency contrast enhancement
US11/154,054 2005-06-15
US71092705P 2005-08-23 2005-08-23
US60/710,927 2005-08-23
US11/224,792 2005-09-12
US11/224,792 US7961199B2 (en) 2004-12-02 2005-09-12 Methods and systems for image-specific tone scale adjustment and light-source control

Publications (2)

Publication Number Publication Date
WO2006060666A2 WO2006060666A2 (fr) 2006-06-08
WO2006060666A3 true WO2006060666A3 (fr) 2007-12-21

Family

ID=36565780

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/043647 WO2006060666A2 (fr) 2004-12-02 2005-12-02 Procedes et systemes permettant d'ajuster l'echelle de nuances propre a une image et de reguler la source de lumiere

Country Status (1)

Country Link
WO (1) WO2006060666A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8947339B2 (en) 2009-12-21 2015-02-03 Sharp Laboratories Of America, Inc. Noise-compensated LCD display

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101272258B1 (ko) 2006-07-04 2013-06-13 삼성전자주식회사 영상 보상 장치 및 방법
US8345038B2 (en) * 2007-10-30 2013-01-01 Sharp Laboratories Of America, Inc. Methods and systems for backlight modulation and brightness preservation

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030179213A1 (en) * 2002-03-18 2003-09-25 Jianfeng Liu Method for automatic retrieval of similar patterns in image databases
US20040119950A1 (en) * 2002-12-20 2004-06-24 Penn Steven M. Adaptive illumination modulator
US20040207635A1 (en) * 2001-10-04 2004-10-21 Miller Michael E. Method and system for displaying an image
US20040207609A1 (en) * 2003-03-05 2004-10-21 Ryouta Hata Display method, display controller, and display apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040207635A1 (en) * 2001-10-04 2004-10-21 Miller Michael E. Method and system for displaying an image
US20030179213A1 (en) * 2002-03-18 2003-09-25 Jianfeng Liu Method for automatic retrieval of similar patterns in image databases
US20040119950A1 (en) * 2002-12-20 2004-06-24 Penn Steven M. Adaptive illumination modulator
US20040207609A1 (en) * 2003-03-05 2004-10-21 Ryouta Hata Display method, display controller, and display apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8947339B2 (en) 2009-12-21 2015-02-03 Sharp Laboratories Of America, Inc. Noise-compensated LCD display

Also Published As

Publication number Publication date
WO2006060666A2 (fr) 2006-06-08

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