DE69029295D1 - Abbildungsgerät - Google Patents
AbbildungsgerätInfo
- Publication number
- DE69029295D1 DE69029295D1 DE69029295T DE69029295T DE69029295D1 DE 69029295 D1 DE69029295 D1 DE 69029295D1 DE 69029295 T DE69029295 T DE 69029295T DE 69029295 T DE69029295 T DE 69029295T DE 69029295 D1 DE69029295 D1 DE 69029295D1
- Authority
- DE
- Germany
- Prior art keywords
- imaging device
- imaging
- 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
- H04N1/40—Picture signal circuits
- H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
- H04N1/4072—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on the contents of the original
-
- 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
- H04N1/40—Picture signal circuits
- H04N1/40062—Discrimination between different image types, e.g. two-tone, continuous tone
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
- Image Processing (AREA)
- Control Or Security For Electrophotography (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1225365A JP2505889B2 (ja) | 1989-08-31 | 1989-08-31 | 画像処理装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69029295D1 true DE69029295D1 (de) | 1997-01-16 |
DE69029295T2 DE69029295T2 (de) | 1997-04-24 |
Family
ID=16828205
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69029295T Expired - Fee Related DE69029295T2 (de) | 1989-08-31 | 1990-08-29 | Abbildungsgerät |
Country Status (4)
Country | Link |
---|---|
US (1) | US5095328A (de) |
EP (1) | EP0415722B1 (de) |
JP (1) | JP2505889B2 (de) |
DE (1) | DE69029295T2 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03274963A (ja) * | 1990-03-26 | 1991-12-05 | Canon Inc | フアクシミリ装置 |
US5499361A (en) * | 1992-03-12 | 1996-03-12 | Mita Industrial Co., Ltd. | Density processing method |
JP2774014B2 (ja) * | 1992-03-12 | 1998-07-09 | 三田工業株式会社 | 濃度処理方法 |
US5424804A (en) * | 1994-03-23 | 1995-06-13 | Eastman Kodak Company | Automatic exposure control using density slope control for a planetary microfilmer |
DE69518467T2 (de) * | 1994-06-03 | 2001-01-04 | Riso Kagaku Corp., Tokio/Tokyo | Bildverarbeitungsgerät |
JPH09186890A (ja) * | 1995-12-20 | 1997-07-15 | Xerox Corp | デジタル式ハイライトカラーコピー形成方法 |
JPH10229494A (ja) * | 1997-02-13 | 1998-08-25 | Fujitsu Ltd | 中間調表現方法、ソフトウェア、及び印刷装置 |
JP3755854B2 (ja) * | 1997-04-07 | 2006-03-15 | 理想科学工業株式会社 | 画像処理装置および二次元線特徴量算出装置 |
DE19861097B4 (de) * | 1997-04-10 | 2007-08-23 | Ricoh Co., Ltd. | Bilderzeugungsapparat |
NL1006472C2 (nl) * | 1997-07-04 | 1999-01-05 | Oce Tech Bv | Kopieerinrichting met instelbare gradatie. |
US7336400B2 (en) * | 2002-10-31 | 2008-02-26 | Hewlett-Packard Development Company, L.P. | Transforming an input image to produce an output image |
US20080118172A1 (en) * | 2006-11-22 | 2008-05-22 | Samsung Electronics Co., Ltd. | Image forming apparatus and image forming method |
JP6525862B2 (ja) | 2015-08-07 | 2019-06-05 | キヤノン株式会社 | 画像処理装置、画像処理方法およびプログラム |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59156070A (ja) * | 1983-02-25 | 1984-09-05 | Canon Inc | 画像処理装置 |
JPS6075033A (ja) * | 1983-09-30 | 1985-04-27 | 株式会社東芝 | X線診断装置 |
JPS6180966A (ja) * | 1984-09-28 | 1986-04-24 | Fuji Xerox Co Ltd | 画信号処理方法 |
JPS6198069A (ja) * | 1984-10-19 | 1986-05-16 | Canon Inc | 画像処理装置 |
JPH0642716B2 (ja) * | 1986-08-06 | 1994-06-01 | キヤノン株式会社 | 画像処理方法 |
JPS6340462A (ja) * | 1986-08-06 | 1988-02-20 | Canon Inc | 画質制御装置 |
JPH0636552B2 (ja) * | 1986-08-06 | 1994-05-11 | キヤノン株式会社 | 画質制御装置 |
US4903145A (en) * | 1986-08-06 | 1990-02-20 | Canon Kabushiki Kaisha | Image quality control apparatus capable of density-correcting plural areas of different types |
JP2635318B2 (ja) * | 1986-11-14 | 1997-07-30 | キヤノン株式会社 | 画像処理装置 |
US4926251A (en) * | 1987-04-07 | 1990-05-15 | Kabushiki Kaisha Toshiba | Color image processing apparatus with image corrector |
JPS63312151A (ja) * | 1987-06-12 | 1988-12-20 | Nippon Kodatsuku Kk | 画像用プリンタ |
JPS6436374A (en) * | 1987-07-31 | 1989-02-07 | Ricoh Kk | Image retrieval system |
-
1989
- 1989-08-31 JP JP1225365A patent/JP2505889B2/ja not_active Expired - Fee Related
-
1990
- 1990-08-29 EP EP90309412A patent/EP0415722B1/de not_active Expired - Lifetime
- 1990-08-29 US US07/574,066 patent/US5095328A/en not_active Expired - Lifetime
- 1990-08-29 DE DE69029295T patent/DE69029295T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2505889B2 (ja) | 1996-06-12 |
JPH0388569A (ja) | 1991-04-12 |
DE69029295T2 (de) | 1997-04-24 |
EP0415722A3 (en) | 1992-04-08 |
EP0415722A2 (de) | 1991-03-06 |
US5095328A (en) | 1992-03-10 |
EP0415722B1 (de) | 1996-12-04 |
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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 |