DE69123657T2 - Farbbildverarbeitungsgerät - Google Patents
FarbbildverarbeitungsgerätInfo
- Publication number
- DE69123657T2 DE69123657T2 DE1991623657 DE69123657T DE69123657T2 DE 69123657 T2 DE69123657 T2 DE 69123657T2 DE 1991623657 DE1991623657 DE 1991623657 DE 69123657 T DE69123657 T DE 69123657T DE 69123657 T2 DE69123657 T2 DE 69123657T2
- Authority
- DE
- Germany
- Prior art keywords
- image processing
- processing device
- color image
- color
- processing
- 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
- H04N1/64—Systems for the transmission or the storage of the colour picture signal; Details therefor, e.g. coding or decoding means therefor
- H04N1/644—Systems for the transmission or the storage of the colour picture signal; Details therefor, e.g. coding or decoding means therefor using a reduced set of representative colours, e.g. each representing a particular range in a colour space
-
- 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
- H04N1/52—Circuits or arrangements for halftone screening
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
- Color Image Communication Systems (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2206605A JPH0490672A (ja) | 1990-08-03 | 1990-08-03 | カラー画像処理装置 |
JP2206604A JP3048171B2 (ja) | 1990-08-03 | 1990-08-03 | カラー画像処理装置 |
JP2206602A JP3048170B2 (ja) | 1990-08-03 | 1990-08-03 | カラー画像処理装置 |
JP11430291A JP3150994B2 (ja) | 1991-05-20 | 1991-05-20 | 画像処理装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69123657D1 DE69123657D1 (de) | 1997-01-30 |
DE69123657T2 true DE69123657T2 (de) | 1997-05-07 |
Family
ID=27470157
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1991623657 Expired - Fee Related DE69123657T2 (de) | 1990-08-03 | 1991-07-31 | Farbbildverarbeitungsgerät |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0469896B1 (de) |
DE (1) | DE69123657T2 (de) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4672432A (en) * | 1983-04-28 | 1987-06-09 | Canon Kabushiki Kaisha | Method for recording a color image using dots of colorants of different densities |
JPS62101178A (ja) * | 1985-10-29 | 1987-05-11 | Canon Inc | 画像情報処理装置 |
US4924301A (en) * | 1988-11-08 | 1990-05-08 | Seecolor Corporation | Apparatus and methods for digital halftoning |
-
1991
- 1991-07-31 DE DE1991623657 patent/DE69123657T2/de not_active Expired - Fee Related
- 1991-07-31 EP EP19910307039 patent/EP0469896B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0469896A2 (de) | 1992-02-05 |
EP0469896A3 (en) | 1993-01-20 |
DE69123657D1 (de) | 1997-01-30 |
EP0469896B1 (de) | 1996-12-18 |
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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 |