TW200608771A - Method and device for dithering - Google Patents
Method and device for ditheringInfo
- Publication number
- TW200608771A TW200608771A TW094126646A TW94126646A TW200608771A TW 200608771 A TW200608771 A TW 200608771A TW 094126646 A TW094126646 A TW 094126646A TW 94126646 A TW94126646 A TW 94126646A TW 200608771 A TW200608771 A TW 200608771A
- Authority
- TW
- Taiwan
- Prior art keywords
- dithering
- value
- output value
- transfer function
- discrete input
- Prior art date
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
- G09G3/2044—Display of intermediate tones using dithering
- G09G3/2051—Display of intermediate tones using dithering with use of a spatial dither pattern
- G09G3/2055—Display of intermediate tones using dithering with use of a spatial dither pattern the pattern being varied in time
-
- 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
-
- 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
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0247—Flicker reduction other than flicker reduction circuits used for single beam cathode-ray tubes
-
- 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
- G09G2320/0276—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping for the purpose of adaptation to the characteristics of a display device, i.e. gamma correction
-
- 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
-
- 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)
- Image Processing (AREA)
- Picture Signal Circuits (AREA)
- Controls And Circuits For Display Device (AREA)
- Control Of Gas Discharge Display Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Facsimile Image Signal Circuits (AREA)
- Analogue/Digital Conversion (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04292087A EP1630772A1 (en) | 2004-08-25 | 2004-08-25 | Method and device for dithering |
Publications (1)
Publication Number | Publication Date |
---|---|
TW200608771A true TW200608771A (en) | 2006-03-01 |
Family
ID=34931352
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW094126646A TW200608771A (en) | 2004-08-25 | 2005-08-08 | Method and device for dithering |
Country Status (7)
Country | Link |
---|---|
US (1) | US20060044325A1 (zh) |
EP (1) | EP1630772A1 (zh) |
JP (1) | JP2006065329A (zh) |
KR (1) | KR20060050616A (zh) |
CN (1) | CN1741108A (zh) |
MX (1) | MXPA05008945A (zh) |
TW (1) | TW200608771A (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8339428B2 (en) * | 2005-06-16 | 2012-12-25 | Omnivision Technologies, Inc. | Asynchronous display driving scheme and display |
US8223179B2 (en) * | 2007-07-27 | 2012-07-17 | Omnivision Technologies, Inc. | Display device and driving method based on the number of pixel rows in the display |
US8228350B2 (en) * | 2008-06-06 | 2012-07-24 | Omnivision Technologies, Inc. | Data dependent drive scheme and display |
US9024964B2 (en) * | 2008-06-06 | 2015-05-05 | Omnivision Technologies, Inc. | System and method for dithering video data |
US8228349B2 (en) * | 2008-06-06 | 2012-07-24 | Omnivision Technologies, Inc. | Data dependent drive scheme and display |
JP2022109140A (ja) * | 2021-01-14 | 2022-07-27 | キヤノン株式会社 | 画像処理装置、画像表示システム、画像処理方法、プログラム、記憶媒体 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000023181A (ja) * | 1998-07-03 | 2000-01-21 | Hitachi Ltd | カラー映像信号の表示装置 |
EP1136974A1 (en) * | 2000-03-22 | 2001-09-26 | Deutsche Thomson-Brandt Gmbh | Method for processing video data for a display device |
KR100491942B1 (ko) * | 2000-10-03 | 2005-05-30 | 세이코 엡슨 가부시키가이샤 | 화상 처리 방법 및 화상 처리 장치 |
US6909435B2 (en) * | 2000-12-20 | 2005-06-21 | Thomson Licensing S.A. | Reduction of gamma correction contouring in liquid crystal on silicon (LCOS) displays |
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 |
EP1353314A1 (en) * | 2002-04-11 | 2003-10-15 | Deutsche Thomson-Brandt Gmbh | Method and apparatus for processing video pictures to improve the greyscale resolution of a display device |
-
2004
- 2004-08-25 EP EP04292087A patent/EP1630772A1/en not_active Withdrawn
-
2005
- 2005-08-08 TW TW094126646A patent/TW200608771A/zh unknown
- 2005-08-18 JP JP2005237591A patent/JP2006065329A/ja not_active Withdrawn
- 2005-08-23 MX MXPA05008945A patent/MXPA05008945A/es not_active Application Discontinuation
- 2005-08-24 US US11/211,120 patent/US20060044325A1/en not_active Abandoned
- 2005-08-24 KR KR1020050077845A patent/KR20060050616A/ko not_active Application Discontinuation
- 2005-08-24 CN CNA2005100977402A patent/CN1741108A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
US20060044325A1 (en) | 2006-03-02 |
JP2006065329A (ja) | 2006-03-09 |
KR20060050616A (ko) | 2006-05-19 |
CN1741108A (zh) | 2006-03-01 |
EP1630772A1 (en) | 2006-03-01 |
MXPA05008945A (es) | 2006-03-28 |
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