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
JP5193181B2 (ja) * 2006-04-03 2013-05-08 トムソン ライセンシング プラズマディスプレイパネル内でビデオレベルを符号化するための方法および装置
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
WO2008065089A2 (en) * 2006-11-27 2008-06-05 Thomson Licensing Video pre-processing device and method, motion estimation device and method
EP1936589A1 (en) * 2006-12-20 2008-06-25 Deutsche Thomson-Brandt Gmbh Method and appartus for processing video pictures
EP2126837B1 (en) * 2007-01-19 2013-06-12 Thomson Licensing Reducing contours in digital images
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
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
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

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0555674B1 (en) * 1992-02-11 1999-04-21 Eastman Kodak Company Image rendering system and associated method for minimizing contours in a quantized digital color image
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
US7176939B2 (en) 2007-02-13
KR20050033810A (ko) 2005-04-13
US20050083343A1 (en) 2005-04-21
EP1522963A1 (en) 2005-04-13
DE602004004226D1 (de) 2007-02-22
CN1606362A (zh) 2005-04-13
JP2005115384A (ja) 2005-04-28
JP4619738B2 (ja) 2011-01-26
DE602004004226T2 (de) 2007-10-25
CN100486339C (zh) 2009-05-06
KR101077251B1 (ko) 2011-10-27

Similar Documents

Publication Publication Date Title
TW200513878A (en) Method for processing video pictures for false contours and dithering noise compensation
WO2019194950A3 (en) Method and apparatus for video coding
GB2406993B (en) Method of and apparatus for differential encoding and decoding
SG143069A1 (en) Method and system for improving compressed image chroma information
TW200420132A (en) Bit rate control for motion compensated video compression system
HK1108756A1 (en) Rapid image rendering on dual-modulator displays
WO2008088370A3 (en) System and method for reducing artifacts in images
TWI256021B (en) Apparatus and method for rendering graphics primitives using a multi-pass rendering approach
ATE305671T1 (de) Verfahren zum einfügen von zusatzdaten in einen audiodatenstrom
MXPA05007344A (es) Metodo para seleccionar una imagen de referencia.
DE602006016737D1 (de) System und verfahren zur steganalyse
MY149561A (en) Video comfort noise addition technique
JP2004348149A (ja) ディスプレイ
MY154424A (en) Improved interpolation of video compression frames
JPH09172634A (ja) ビデオデータ圧縮方式
TW200608306A (en) Image subtraction of illumination artifacts
IL162908A0 (en) System and method for compressing the dynamic range of an image
TW200508959A (en) Radiographic apparatus and radiographic method
TW200733040A (en) Image encoding apparatus, image processing apparatus, image display apparatus, image encoding method, and image processing method
EP1784023A3 (en) Blocking artefacts reduction with optional dithering
SG168406A1 (en) Method and apparatus for variable accuracy inter-picture timing specification for digital video encoding
GB0222562D0 (en) Method and apparatus for encoding image and or audio data
EP1580715A3 (en) Plasma display apparatus and image processing method suitable thereto
TW200511831A (en) Device and method for compressing digital images
TW200503527A (en) Image processing method for improving the contrast in a digital display panel