EP1768088A3 - Verfahren und Vorrichtung zur Kodierung von Luminanzwerten in Teilfeldkodewörter bei einer Anzeigevorrichtung - Google Patents

Verfahren und Vorrichtung zur Kodierung von Luminanzwerten in Teilfeldkodewörter bei einer Anzeigevorrichtung Download PDF

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Publication number
EP1768088A3
EP1768088A3 EP06120447A EP06120447A EP1768088A3 EP 1768088 A3 EP1768088 A3 EP 1768088A3 EP 06120447 A EP06120447 A EP 06120447A EP 06120447 A EP06120447 A EP 06120447A EP 1768088 A3 EP1768088 A3 EP 1768088A3
Authority
EP
European Patent Office
Prior art keywords
subfield code
display device
code word
sub
code words
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.)
Withdrawn
Application number
EP06120447A
Other languages
English (en)
French (fr)
Other versions
EP1768088A2 (de
Inventor
Cédric Thebault
Carlos Correa
Sébastien Weitbruch
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.)
Thomson Licensing SAS
Original Assignee
Thomson Licensing SAS
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 EP05291973A external-priority patent/EP1768087A1/de
Application filed by Thomson Licensing SAS filed Critical Thomson Licensing SAS
Priority to EP06120447A priority Critical patent/EP1768088A3/de
Publication of EP1768088A2 publication Critical patent/EP1768088A2/de
Publication of EP1768088A3 publication Critical patent/EP1768088A3/de
Withdrawn legal-status Critical Current

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
    • G09G3/2007—Display of intermediate tones
    • G09G3/2018—Display of intermediate tones by time modulation using two or more time intervals
    • G09G3/2022—Display of intermediate tones by time modulation using two or more time intervals using sub-frames
    • G09G3/2029—Display of intermediate tones by time modulation using two or more time intervals using sub-frames the sub-frames having non-binary weights
    • 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
    • G09G2320/0233—Improving the luminance or brightness uniformity across the screen
    • 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
    • G09G2320/0266—Reduction of sub-frame artefacts
    • 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
    • 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
    • G09G3/2044—Display of intermediate tones using dithering
    • G09G3/2051—Display of intermediate tones using dithering with use of a spatial dither pattern
    • 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
    • G09G3/2077—Display of intermediate tones by a combination of two or more gradation control methods

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)
EP06120447A 2005-09-22 2006-09-11 Verfahren und Vorrichtung zur Kodierung von Luminanzwerten in Teilfeldkodewörter bei einer Anzeigevorrichtung Withdrawn EP1768088A3 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06120447A EP1768088A3 (de) 2005-09-22 2006-09-11 Verfahren und Vorrichtung zur Kodierung von Luminanzwerten in Teilfeldkodewörter bei einer Anzeigevorrichtung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05291973A EP1768087A1 (de) 2005-09-22 2005-09-22 Verfahren und Vorrichtung zur rekursiven Kodierung von Luminanzwerten in Teilfeldkodewörter bei einer Anzeigevorrichtung
EP06120447A EP1768088A3 (de) 2005-09-22 2006-09-11 Verfahren und Vorrichtung zur Kodierung von Luminanzwerten in Teilfeldkodewörter bei einer Anzeigevorrichtung

Publications (2)

Publication Number Publication Date
EP1768088A2 EP1768088A2 (de) 2007-03-28
EP1768088A3 true EP1768088A3 (de) 2009-05-13

Family

ID=37762184

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06120447A Withdrawn EP1768088A3 (de) 2005-09-22 2006-09-11 Verfahren und Vorrichtung zur Kodierung von Luminanzwerten in Teilfeldkodewörter bei einer Anzeigevorrichtung

Country Status (1)

Country Link
EP (1) EP1768088A3 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2006829A1 (de) 2007-06-18 2008-12-24 Deutsche Thomson OHG Verfahren und Vorrichtung zur Kodierung von Videoebenen in einem Teilfeldcodewort

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5596349A (en) * 1992-09-30 1997-01-21 Sanyo Electric Co., Inc. Image information processor
EP0822536A2 (de) * 1996-07-29 1998-02-04 Fujitsu Limited Verfahren und Vorrichtung zur Anzeige von Halbtonbildern
EP0973147A1 (de) * 1997-03-31 2000-01-19 Matsushita Electronics Corporation Dynamisches bildanzeigeverfahren und vorrichtung hierfür
US6069609A (en) * 1995-04-17 2000-05-30 Fujitsu Limited Image processor using both dither and error diffusion to produce halftone images with less flicker and patterns
US6100859A (en) * 1995-09-01 2000-08-08 Fujitsu Limited Panel display adjusting number of sustaining discharge pulses according to the quantity of display data
WO2005041162A1 (en) * 2003-10-15 2005-05-06 Thomson Licensing Method and apparatus for processing video pictures for display on a display device
WO2005059879A1 (en) * 2003-12-17 2005-06-30 Thomson Licensing Method and device for reducing line load effect

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5596349A (en) * 1992-09-30 1997-01-21 Sanyo Electric Co., Inc. Image information processor
US6069609A (en) * 1995-04-17 2000-05-30 Fujitsu Limited Image processor using both dither and error diffusion to produce halftone images with less flicker and patterns
US6100859A (en) * 1995-09-01 2000-08-08 Fujitsu Limited Panel display adjusting number of sustaining discharge pulses according to the quantity of display data
EP0822536A2 (de) * 1996-07-29 1998-02-04 Fujitsu Limited Verfahren und Vorrichtung zur Anzeige von Halbtonbildern
EP0973147A1 (de) * 1997-03-31 2000-01-19 Matsushita Electronics Corporation Dynamisches bildanzeigeverfahren und vorrichtung hierfür
WO2005041162A1 (en) * 2003-10-15 2005-05-06 Thomson Licensing Method and apparatus for processing video pictures for display on a display device
WO2005059879A1 (en) * 2003-12-17 2005-06-30 Thomson Licensing Method and device for reducing line load effect

Also Published As

Publication number Publication date
EP1768088A2 (de) 2007-03-28

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