DE69530360T2 - Fehlervarianzschaltung zur Verbesserung eines Bildsignals - Google Patents
Fehlervarianzschaltung zur Verbesserung eines BildsignalsInfo
- Publication number
- DE69530360T2 DE69530360T2 DE69530360T DE69530360T DE69530360T2 DE 69530360 T2 DE69530360 T2 DE 69530360T2 DE 69530360 T DE69530360 T DE 69530360T DE 69530360 T DE69530360 T DE 69530360T DE 69530360 T2 DE69530360 T2 DE 69530360T2
- Authority
- DE
- Germany
- Prior art keywords
- improving
- image signal
- error variance
- variance circuit
- circuit
- 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.)
- Expired - Lifetime
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
- G09G3/2059—Display of intermediate tones using error diffusion
-
- 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
- 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)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
- Control Of Gas Discharge Display Tubes (AREA)
- Liquid Crystal (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP06307117A JP3089960B2 (ja) | 1994-11-17 | 1994-11-17 | 誤差拡散回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69530360D1 DE69530360D1 (de) | 2003-05-22 |
DE69530360T2 true DE69530360T2 (de) | 2003-12-24 |
Family
ID=17965239
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69530360T Expired - Lifetime DE69530360T2 (de) | 1994-11-17 | 1995-11-15 | Fehlervarianzschaltung zur Verbesserung eines Bildsignals |
Country Status (7)
Country | Link |
---|---|
US (1) | US5760756A (de) |
EP (1) | EP0717391B1 (de) |
JP (1) | JP3089960B2 (de) |
KR (1) | KR100514614B1 (de) |
AU (1) | AU701010B2 (de) |
CA (1) | CA2162795C (de) |
DE (1) | DE69530360T2 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0755043B1 (de) | 1995-07-21 | 2009-09-02 | Canon Kabushiki Kaisha | Grauskalasteuerschaltung mit Luminanzkompensation |
EP1331626B1 (de) | 1997-07-24 | 2009-12-16 | Panasonic Corporation | Bildanzeigevorrichtung und Bildbewertungseinrichtung |
JP2994633B2 (ja) * | 1997-12-10 | 1999-12-27 | 松下電器産業株式会社 | 疑似輪郭ノイズ検出装置およびそれを用いた表示装置 |
KR100517367B1 (ko) * | 1998-12-01 | 2005-11-25 | 엘지전자 주식회사 | 플라즈마 표시 패널의 오차 확산 처리 회로 |
JP2004508578A (ja) * | 2000-08-30 | 2004-03-18 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 複数ラインアドレッシングを含むマトリクス表示装置 |
KR101245664B1 (ko) * | 2007-10-25 | 2013-03-20 | 엘지디스플레이 주식회사 | 액정표시장치의 구동방법 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4890167A (en) * | 1986-10-17 | 1989-12-26 | Matsushita Electric Industrial Co., Ltd. | Apparatus for processing image signal |
US5089812A (en) * | 1988-02-26 | 1992-02-18 | Casio Computer Co., Ltd. | Liquid-crystal display |
DE68915145T2 (de) * | 1989-01-13 | 1994-11-17 | Ibm | Halbtonbilder mit Fehlerübertragsfortpflanzung mit einer mit Zeit veränderlichen Phasenverschiebung. |
US5122792A (en) * | 1990-06-21 | 1992-06-16 | David Sarnoff Research Center, Inc. | Electronic time vernier circuit |
GB9024978D0 (en) * | 1990-11-16 | 1991-01-02 | Rank Cintel Ltd | Digital mirror spatial light modulator |
JP2904364B2 (ja) * | 1991-03-28 | 1999-06-14 | 富士ゼロックス株式会社 | 階調画像の二値化方法 |
JP3171993B2 (ja) * | 1993-05-24 | 2001-06-04 | キヤノン株式会社 | 画像処理方法及び装置 |
-
1994
- 1994-11-17 JP JP06307117A patent/JP3089960B2/ja not_active Expired - Fee Related
-
1995
- 1995-11-14 CA CA002162795A patent/CA2162795C/en not_active Expired - Fee Related
- 1995-11-14 AU AU37858/95A patent/AU701010B2/en not_active Ceased
- 1995-11-15 EP EP95308189A patent/EP0717391B1/de not_active Expired - Lifetime
- 1995-11-15 DE DE69530360T patent/DE69530360T2/de not_active Expired - Lifetime
- 1995-11-16 US US08/558,513 patent/US5760756A/en not_active Expired - Lifetime
- 1995-11-17 KR KR1019950041807A patent/KR100514614B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR100514614B1 (ko) | 2005-11-25 |
JPH08146907A (ja) | 1996-06-07 |
CA2162795A1 (en) | 1996-05-18 |
KR960019420A (ko) | 1996-06-17 |
AU701010B2 (en) | 1999-01-21 |
DE69530360D1 (de) | 2003-05-22 |
US5760756A (en) | 1998-06-02 |
AU3785895A (en) | 1996-05-23 |
CA2162795C (en) | 2006-01-10 |
EP0717391A1 (de) | 1996-06-19 |
JP3089960B2 (ja) | 2000-09-18 |
EP0717391B1 (de) | 2003-04-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: CANON KABUSHIKI KAISHA, TOKIO/TOKYO, JP |
|
8328 | Change in the person/name/address of the agent |
Representative=s name: WESER & KOLLEGEN, 81245 MUENCHEN |