TW200513878A - Method for processing video pictures for false contours and dithering noise compensation - Google Patents

Method for processing video pictures for false contours and dithering noise compensation

Info

Publication number
TW200513878A
TW200513878A TW093129752A TW93129752A TW200513878A TW 200513878 A TW200513878 A TW 200513878A TW 093129752 A TW093129752 A TW 093129752A TW 93129752 A TW93129752 A TW 93129752A TW 200513878 A TW200513878 A TW 200513878A
Authority
TW
Taiwan
Prior art keywords
area
dithering noise
picture
type
video pictures
Prior art date
Application number
TW093129752A
Other languages
English (en)
Inventor
Sebastien Weitbruch
Cedric Thebault
Carlos Correa
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 TW200513878A publication Critical patent/TW200513878A/zh

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)
  • Transforming Electric Information Into Light Information (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Processing (AREA)
TW093129752A 2003-10-07 2004-10-01 Method for processing video pictures for false contours and dithering noise compensation TW200513878A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03292464A EP1522963A1 (en) 2003-10-07 2003-10-07 Method for processing video pictures for false contours and dithering noise compensation

Publications (1)

Publication Number Publication Date
TW200513878A true TW200513878A (en) 2005-04-16

Family

ID=34307023

Family Applications (1)

Application Number Title Priority Date Filing Date
TW093129752A TW200513878A (en) 2003-10-07 2004-10-01 Method for processing video pictures for false contours and dithering noise compensation

Country Status (7)

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

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 (en) * 2006-04-11 2007-10-17 Deutsche Thomson-Brandt Gmbh Method and apparatus for motion dependent coding
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 (en) * 2006-12-20 2008-06-25 Deutsche Thomson-Brandt Gmbh Method and appartus for processing video pictures
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 (en) 2014-10-13 2016-04-20 Thomson Licensing Method for controlling the displaying of text for aiding reading on a display device, and apparatus adapted for carrying out the method and computer readable storage medium
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 (en) * 1998-08-07 2002-02-13 Deutsche Thomson-Brandt Gmbh Method and apparatus for processing video pictures, especially for false contour effect compensation
US6441867B1 (en) * 1999-10-22 2002-08-27 Sharp Laboratories Of America, Incorporated Bit-depth extension of digital displays using noise
EP1256924B1 (en) * 2001-05-08 2013-09-25 Deutsche Thomson-Brandt Gmbh Method and apparatus for processing video pictures
EP1262942A1 (en) * 2001-06-01 2002-12-04 Deutsche Thomson-Brandt Gmbh Method and apparatus for processing video data for a display device

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
DE602004004226D1 (de) 2007-02-22
EP1522963A1 (en) 2005-04-13
DE602004004226T2 (de) 2007-10-25

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