DE602004004226D1 - Verfahren zum Bearbeiten von Videobildern zur Kompensation des Falschkontureffekts und Dithering-Rauschens - Google Patents

Verfahren zum Bearbeiten von Videobildern zur Kompensation des Falschkontureffekts und Dithering-Rauschens

Info

Publication number
DE602004004226D1
DE602004004226D1 DE602004004226T DE602004004226T DE602004004226D1 DE 602004004226 D1 DE602004004226 D1 DE 602004004226D1 DE 602004004226 T DE602004004226 T DE 602004004226T DE 602004004226 T DE602004004226 T DE 602004004226T DE 602004004226 D1 DE602004004226 D1 DE 602004004226D1
Authority
DE
Germany
Prior art keywords
compensate
video images
false contour
editing video
contour effect
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.)
Active
Application number
DE602004004226T
Other languages
English (en)
Other versions
DE602004004226T2 (de
Inventor
Sebastien Weitbruch
Cedric Thebault
Carlos Correa
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
Application filed by Thomson Licensing SAS filed Critical Thomson Licensing SAS
Publication of DE602004004226D1 publication Critical patent/DE602004004226D1/de
Application granted granted Critical
Publication of DE602004004226T2 publication Critical patent/DE602004004226T2/de
Active 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
    • G09G3/22—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
    • G09G3/288—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 using AC panels
    • G09G3/296—Driving circuits for producing the waveforms applied to the driving electrodes
    • 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
    • G09G2320/0266—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
    • G09G3/2044—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
    • G09G3/22—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
    • G09G3/2803—Display of gradations

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Control Of Gas Discharge Display Tubes (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Image Processing (AREA)
DE602004004226T 2003-10-07 2004-09-14 Verfahren zum Bearbeiten von Videobildern zur Kompensation des Falschkontureffekts und Dithering-Rauschens Active DE602004004226T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP03292464 2003-10-07
EP03292464A EP1522963A1 (de) 2003-10-07 2003-10-07 Verfahren zum Bearbeiten von Videobildern zur Kompensation des Falschkontureffekts und Dithering-Rauschens

Publications (2)

Publication Number Publication Date
DE602004004226D1 true DE602004004226D1 (de) 2007-02-22
DE602004004226T2 DE602004004226T2 (de) 2007-10-25

Family

ID=34307023

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004004226T Active DE602004004226T2 (de) 2003-10-07 2004-09-14 Verfahren zum Bearbeiten von Videobildern zur Kompensation des Falschkontureffekts und Dithering-Rauschens

Country Status (7)

Country Link
US (1) US7176939B2 (de)
EP (1) EP1522963A1 (de)
JP (1) JP4619738B2 (de)
KR (1) KR101077251B1 (de)
CN (1) CN100486339C (de)
DE (1) DE602004004226T2 (de)
TW (1) TW200513878A (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100757541B1 (ko) * 2005-11-08 2007-09-10 엘지전자 주식회사 플라즈마 디스플레이 장치 및 그의 화상 처리방법
US8199831B2 (en) * 2006-04-03 2012-06-12 Thomson Licensing Method and device for coding video levels in a plasma display panel
EP1845509A1 (de) * 2006-04-11 2007-10-17 Deutsche Thomson-Brandt Gmbh Verfahren und Vorrichtung zur bewegungsabhängigen Kodierung
KR100793032B1 (ko) * 2006-05-09 2008-01-10 엘지전자 주식회사 평판 디스플레이 장치
JP4910645B2 (ja) * 2006-11-06 2012-04-04 株式会社日立製作所 画像信号処理方法、画像信号処理装置、表示装置
KR101377780B1 (ko) * 2006-11-27 2014-03-26 톰슨 라이센싱 비디오 전처리 장치 및 방법, 움직임 추정 장치 및 방법
EP1936589A1 (de) * 2006-12-20 2008-06-25 Deutsche Thomson-Brandt Gmbh Verfahren und Vorrichtung zur Verarbeitung von Videobildern
KR101462696B1 (ko) * 2007-01-19 2014-11-17 톰슨 라이센싱 디지털 이미지들에서의 밴딩 식별
US8031967B2 (en) * 2007-06-19 2011-10-04 Microsoft Corporation Video noise reduction
KR20150019686A (ko) * 2013-08-14 2015-02-25 삼성디스플레이 주식회사 룩업 테이블에 기반한 부분적 의사 윤관 검출 방법 및 그 장치, 그리고 이를 이용한 영상 데이터 보정 방법
EP3009918A1 (de) 2014-10-13 2016-04-20 Thomson Licensing Verfahren zur Steuerung der Anzeige von Text zur Unterstützung des Lesens auf einer Anzeigevorrichtung und Vorrichtung zur Durchführung des Verfahrens und computerlesbares Speichermedium
US10452136B2 (en) 2014-10-13 2019-10-22 Thomson Licensing Method for controlling the displaying of text for aiding reading on a display device, and apparatus adapted for carrying out the method, computer program, and computer readable storage medium

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69324513T2 (de) * 1992-02-11 1999-10-21 Eastman Kodak Co System zur Bildherstellung und zugeordnetes Verfahren zur Minimierung von Konturen für ein quantisiertes Digitalfarbbild
EP0978816B1 (de) * 1998-08-07 2002-02-13 Deutsche Thomson-Brandt Gmbh Verfahren und Vorrichtung zur Videobildbearbeitung, insbesondere zur Kompensation des Falschkontureffekts
US6441867B1 (en) * 1999-10-22 2002-08-27 Sharp Laboratories Of America, Incorporated Bit-depth extension of digital displays using noise
EP1256924B1 (de) * 2001-05-08 2013-09-25 Deutsche Thomson-Brandt Gmbh Verfahren und Vorrichtung zur Bearbeitung von Videobildern
EP1262942A1 (de) * 2001-06-01 2002-12-04 Deutsche Thomson-Brandt Gmbh Verfahren und Vorrichtung zur Verarbeitung von auf einem Bildschirm dargestellten Videodaten

Also Published As

Publication number Publication date
US20050083343A1 (en) 2005-04-21
US7176939B2 (en) 2007-02-13
KR20050033810A (ko) 2005-04-13
JP2005115384A (ja) 2005-04-28
KR101077251B1 (ko) 2011-10-27
CN100486339C (zh) 2009-05-06
CN1606362A (zh) 2005-04-13
JP4619738B2 (ja) 2011-01-26
TW200513878A (en) 2005-04-16
EP1522963A1 (de) 2005-04-13
DE602004004226T2 (de) 2007-10-25

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