DE69115117D1 - Gerät zur Verbesserung der Schärfe bei einem Farbbild. - Google Patents
Gerät zur Verbesserung der Schärfe bei einem Farbbild.Info
- Publication number
- DE69115117D1 DE69115117D1 DE69115117T DE69115117T DE69115117D1 DE 69115117 D1 DE69115117 D1 DE 69115117D1 DE 69115117 T DE69115117 T DE 69115117T DE 69115117 T DE69115117 T DE 69115117T DE 69115117 D1 DE69115117 D1 DE 69115117D1
- Authority
- DE
- Germany
- Prior art keywords
- color image
- sharpness
- improving
- color
- signals
- 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 - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/46—Colour picture communication systems
- H04N1/56—Processing of colour picture signals
- H04N1/58—Edge or detail enhancement; Noise or error suppression, e.g. colour misregistration correction
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Image Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Facsimile Scanning Arrangements (AREA)
- Liquid Crystal (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Cameras Adapted For Combination With Other Photographic Or Optical Apparatuses (AREA)
- Dot-Matrix Printers And Others (AREA)
- Color, Gradation (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IL94215A IL94215A0 (en) | 1990-04-26 | 1990-04-26 | Apparatus for sharpening a color image |
IL9495690A IL94956A (en) | 1990-07-03 | 1990-07-03 | Facility to sharpen a colorful figure |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69115117D1 true DE69115117D1 (de) | 1996-01-18 |
DE69115117T2 DE69115117T2 (de) | 1996-05-09 |
Family
ID=26322080
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69115117T Expired - Fee Related DE69115117T2 (de) | 1990-04-26 | 1991-04-04 | Gerät zur Verbesserung der Schärfe bei einem Farbbild. |
Country Status (6)
Country | Link |
---|---|
US (1) | US5247352A (de) |
EP (1) | EP0457427B1 (de) |
JP (1) | JPH04229766A (de) |
AT (1) | ATE131328T1 (de) |
CA (1) | CA2040937A1 (de) |
DE (1) | DE69115117T2 (de) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2852390B2 (ja) * | 1991-02-16 | 1999-02-03 | 株式会社半導体エネルギー研究所 | 表示装置 |
US5237402A (en) * | 1991-07-30 | 1993-08-17 | Polaroid Corporation | Digital image processing circuitry |
JP2740409B2 (ja) * | 1992-04-21 | 1998-04-15 | 大日本スクリーン製造株式会社 | シャープネス処理装置 |
US5384862A (en) * | 1992-05-29 | 1995-01-24 | Cimpiter Corporation | Radiographic image evaluation apparatus and method |
DE4225508C2 (de) * | 1992-08-01 | 1994-07-28 | Hell Ag Linotype | Verfahren und Schaltungsanordnung zur Kontraststeigerung |
DE4343362C2 (de) * | 1993-04-08 | 1996-08-14 | Linotype Hell Ag Werk Kiel | Verfahren zur Erzeugung harmonischer Farbkorrekturen |
US5383036A (en) * | 1993-09-29 | 1995-01-17 | Xerox Corporation | Enhancement of multiple color images without color separation error by inverse symmetrical template matching |
US5363209A (en) * | 1993-11-05 | 1994-11-08 | Xerox Corporation | Image-dependent sharpness enhancement |
JP3370817B2 (ja) * | 1995-03-16 | 2003-01-27 | 大日本スクリーン製造株式会社 | コントラスト修正装置 |
US5581370A (en) * | 1995-06-05 | 1996-12-03 | Xerox Corporation | Image-dependent automatic area of interest enhancement |
JP3356201B2 (ja) * | 1996-04-12 | 2002-12-16 | ソニー株式会社 | ビデオカメラおよび輪郭強調装置 |
DE19722761B4 (de) * | 1997-06-02 | 2006-06-01 | Hell Gravure Systems Gmbh | Verfahren zur Aufbereitung von Bilddaten |
US6563601B1 (en) * | 1997-07-28 | 2003-05-13 | Canon Business Machines, Inc. | System for printing image data divided at a break point |
JPH11305743A (ja) | 1998-04-23 | 1999-11-05 | Semiconductor Energy Lab Co Ltd | 液晶表示装置 |
US6224189B1 (en) * | 1999-08-26 | 2001-05-01 | Xerox Corporation | Enhanced text and line-art quality for multi-resolution marking devices |
FI115942B (fi) | 2002-10-14 | 2005-08-15 | Nokia Corp | Menetelmä kuvien interpoloimiseksi ja terävöittämiseksi |
JP4245019B2 (ja) * | 2006-09-04 | 2009-03-25 | ソニー株式会社 | ビューファインダ、撮像装置および表示信号生成回路 |
US20080229370A1 (en) * | 2007-03-13 | 2008-09-18 | Zustak Frederick J | TV-centric system |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55146451A (en) * | 1979-05-02 | 1980-11-14 | Dainippon Screen Mfg Co Ltd | Sharpness emphasis method in image scanning recorder |
ATE18815T1 (de) * | 1982-07-03 | 1986-04-15 | Hell Rudolf Dr Ing Gmbh | Verfahren und anordnung zur kontraststeigerung. |
US4734763A (en) * | 1983-07-04 | 1988-03-29 | Fuji Photo Film Co., Ltd. | Apparatus for generating positive or negative image output signals from either positive or negative originals |
US4672431A (en) * | 1983-10-26 | 1987-06-09 | Harris Corporation | Contour correction system when one color signal is low |
JPS60169274A (ja) * | 1984-02-10 | 1985-09-02 | Dainippon Screen Mfg Co Ltd | 画像走査記録装置に於ける輪郭強調信号処理方法 |
JP2677283B2 (ja) * | 1984-06-14 | 1997-11-17 | キヤノン株式会社 | カラー画像処理装置 |
DE68916661T2 (de) * | 1988-02-05 | 1994-11-10 | Dainippon Screen Mfg | Bildschärfeverbesserungsverfahren und -prozessor für Bildreproduktion mit Abtaster. |
-
1991
- 1991-04-04 DE DE69115117T patent/DE69115117T2/de not_active Expired - Fee Related
- 1991-04-04 AT AT91302943T patent/ATE131328T1/de not_active IP Right Cessation
- 1991-04-04 EP EP91302943A patent/EP0457427B1/de not_active Expired - Lifetime
- 1991-04-10 US US07/683,268 patent/US5247352A/en not_active Expired - Fee Related
- 1991-04-22 CA CA002040937A patent/CA2040937A1/en not_active Abandoned
- 1991-04-26 JP JP3097432A patent/JPH04229766A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
ATE131328T1 (de) | 1995-12-15 |
EP0457427A2 (de) | 1991-11-21 |
EP0457427B1 (de) | 1995-12-06 |
CA2040937A1 (en) | 1991-10-27 |
JPH04229766A (ja) | 1992-08-19 |
DE69115117T2 (de) | 1996-05-09 |
US5247352A (en) | 1993-09-21 |
EP0457427A3 (en) | 1993-02-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |