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-RauschensInfo
- 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
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)
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)
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)
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 |
-
2003
- 2003-10-07 EP EP03292464A patent/EP1522963A1/de not_active Withdrawn
-
2004
- 2004-09-14 DE DE602004004226T patent/DE602004004226T2/de active Active
- 2004-09-29 CN CNB2004100831938A patent/CN100486339C/zh not_active Expired - Fee Related
- 2004-10-01 TW TW093129752A patent/TW200513878A/zh unknown
- 2004-10-04 KR KR1020040078729A patent/KR101077251B1/ko active IP Right Grant
- 2004-10-05 US US10/958,514 patent/US7176939B2/en active Active
- 2004-10-05 JP JP2004292850A patent/JP4619738B2/ja not_active Expired - Fee Related
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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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |