EP1936590A3 - Procédé et dispositif de traitement d'images vidéo - Google Patents

Procédé et dispositif de traitement d'images vidéo Download PDF

Info

Publication number
EP1936590A3
EP1936590A3 EP07123403A EP07123403A EP1936590A3 EP 1936590 A3 EP1936590 A3 EP 1936590A3 EP 07123403 A EP07123403 A EP 07123403A EP 07123403 A EP07123403 A EP 07123403A EP 1936590 A3 EP1936590 A3 EP 1936590A3
Authority
EP
European Patent Office
Prior art keywords
type
area
sub
pixels
field code
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.)
Granted
Application number
EP07123403A
Other languages
German (de)
English (en)
Other versions
EP1936590B1 (fr
EP1936590A2 (fr
Inventor
Carlos Correa
Sébastien Weitbruch
Mohamed Abdallah
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
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 EP06301274A external-priority patent/EP1936589A1/fr
Application filed by Thomson Licensing SAS filed Critical Thomson Licensing SAS
Priority to EP07123403.3A priority Critical patent/EP1936590B1/fr
Publication of EP1936590A2 publication Critical patent/EP1936590A2/fr
Publication of EP1936590A3 publication Critical patent/EP1936590A3/fr
Application granted granted Critical
Publication of EP1936590B1 publication Critical patent/EP1936590B1/fr
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • G09G2320/0261—Improving the quality of display appearance in the context of movement of objects on the screen or movement of the observer relative to 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
    • G09G2320/02—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
    • 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
    • G09G3/2018—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
    • 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
    • G09G3/28—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 using luminous gas-discharge panels, e.g. plasma panels
    • 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
    • G09G5/02—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed
    • G09G5/026—Control of mixing and/or overlay of colours in general

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Control Of Gas Discharge Display Tubes (AREA)
EP07123403.3A 2006-12-20 2007-12-17 Procédé et dispositif de traitement d'images vidéo Ceased EP1936590B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07123403.3A EP1936590B1 (fr) 2006-12-20 2007-12-17 Procédé et dispositif de traitement d'images vidéo

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP06301274A EP1936589A1 (fr) 2006-12-20 2006-12-20 Procédé et dispositif de traitement d'images vidéo
EP07123403.3A EP1936590B1 (fr) 2006-12-20 2007-12-17 Procédé et dispositif de traitement d'images vidéo

Publications (3)

Publication Number Publication Date
EP1936590A2 EP1936590A2 (fr) 2008-06-25
EP1936590A3 true EP1936590A3 (fr) 2012-04-11
EP1936590B1 EP1936590B1 (fr) 2016-07-20

Family

ID=39420793

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07123403.3A Ceased EP1936590B1 (fr) 2006-12-20 2007-12-17 Procédé et dispositif de traitement d'images vidéo

Country Status (1)

Country Link
EP (1) EP1936590B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102395792B1 (ko) 2017-10-18 2022-05-11 삼성디스플레이 주식회사 표시 장치 및 그 구동 방법
CN115798396A (zh) * 2022-11-29 2023-03-14 卡莱特云科技股份有限公司 一种led屏幕亮度梯度修正方法、装置及系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1271461A2 (fr) * 2001-06-18 2003-01-02 Fujitsu Limited Panneau d'affichage à plasma et son procédé de commande
EP1522964A1 (fr) * 2003-10-07 2005-04-13 Thomson Licensing S.A. Procédé pour le traitement d'images vidéo pour la compensation de l'effet de faux contours et de la diffusion du bruit
US20050237277A1 (en) * 1999-04-12 2005-10-27 Isao Kawahara Image display apparatus
US20060050979A1 (en) * 2004-02-18 2006-03-09 Isao Kawahara Method and device of image correction

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050237277A1 (en) * 1999-04-12 2005-10-27 Isao Kawahara Image display apparatus
EP1271461A2 (fr) * 2001-06-18 2003-01-02 Fujitsu Limited Panneau d'affichage à plasma et son procédé de commande
EP1522964A1 (fr) * 2003-10-07 2005-04-13 Thomson Licensing S.A. Procédé pour le traitement d'images vidéo pour la compensation de l'effet de faux contours et de la diffusion du bruit
US20060050979A1 (en) * 2004-02-18 2006-03-09 Isao Kawahara Method and device of image correction

Also Published As

Publication number Publication date
EP1936590B1 (fr) 2016-07-20
EP1936590A2 (fr) 2008-06-25

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