JPS5776559A - Processing method of intermediate tone image - Google Patents
Processing method of intermediate tone imageInfo
- Publication number
- JPS5776559A JPS5776559A JP55151477A JP15147780A JPS5776559A JP S5776559 A JPS5776559 A JP S5776559A JP 55151477 A JP55151477 A JP 55151477A JP 15147780 A JP15147780 A JP 15147780A JP S5776559 A JPS5776559 A JP S5776559A
- Authority
- JP
- Japan
- Prior art keywords
- image
- tone
- brightness
- black
- steps
- 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.)
- Granted
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
- H04N1/40087—Multi-toning, i.e. converting a continuous-tone signal for reproduction with more than two discrete brightnesses or optical densities, e.g. dots of grey and black inks on white paper
-
- 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
- H04N1/405—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
- H04N1/4055—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern
- H04N1/4057—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern the pattern being a mixture of differently sized sub-patterns, e.g. spots having only a few different diameters
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Laser Beam Printer (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Control Or Security For Electrophotography (AREA)
- Fax Reproducing Arrangements (AREA)
- Facsimile Image Signal Circuits (AREA)
- Dot-Matrix Printers And Others (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55151477A JPS5776559A (en) | 1980-10-30 | 1980-10-30 | Processing method of intermediate tone image |
US06/583,294 US4491875A (en) | 1980-10-30 | 1984-02-28 | Apparatus and method for tonal image processing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55151477A JPS5776559A (en) | 1980-10-30 | 1980-10-30 | Processing method of intermediate tone image |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5776559A true JPS5776559A (en) | 1982-05-13 |
JPH0219668B2 JPH0219668B2 (sv) | 1990-05-02 |
Family
ID=15519358
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55151477A Granted JPS5776559A (en) | 1980-10-30 | 1980-10-30 | Processing method of intermediate tone image |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5776559A (sv) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6021291A (ja) * | 1983-07-15 | 1985-02-02 | Canon Inc | カラ−画像再現方法 |
JPS6031167A (ja) * | 1983-08-01 | 1985-02-16 | Canon Inc | 画像記録方法 |
EP0142767A2 (en) * | 1983-11-21 | 1985-05-29 | International Business Machines Corporation | Manipulation of graphics image data |
JPS60194472A (ja) * | 1984-03-15 | 1985-10-02 | Konishiroku Photo Ind Co Ltd | 画像記録装置 |
DE3516375A1 (de) * | 1984-05-07 | 1985-11-07 | Kabushiki Kaisha Toshiba, Kawasaki, Kanagawa | Aufzeichnungsgeraet |
DE3516373A1 (de) * | 1984-05-07 | 1985-11-07 | Kabushiki Kaisha Toshiba, Kawasaki, Kanagawa | Datenaufzeichnungsgeraet |
JPH01102584A (ja) * | 1987-10-16 | 1989-04-20 | Ricoh Co Ltd | 画像転写装置 |
JPH0224167A (ja) * | 1988-05-20 | 1990-01-26 | Xerox Corp | 中間調画像再生方法 |
JPH05502992A (ja) * | 1990-11-21 | 1993-05-20 | ポラロイド コーポレーシヨン | 印刷方法 |
JPH05503199A (ja) * | 1990-11-21 | 1993-05-27 | ポラロイド コーポレーシヨン | 印刷装置及びその方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5583066A (en) * | 1978-12-17 | 1980-06-23 | Ricoh Co Ltd | Function generator |
-
1980
- 1980-10-30 JP JP55151477A patent/JPS5776559A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5583066A (en) * | 1978-12-17 | 1980-06-23 | Ricoh Co Ltd | Function generator |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6021291A (ja) * | 1983-07-15 | 1985-02-02 | Canon Inc | カラ−画像再現方法 |
JPS6031167A (ja) * | 1983-08-01 | 1985-02-16 | Canon Inc | 画像記録方法 |
EP0142767A2 (en) * | 1983-11-21 | 1985-05-29 | International Business Machines Corporation | Manipulation of graphics image data |
JPS60194472A (ja) * | 1984-03-15 | 1985-10-02 | Konishiroku Photo Ind Co Ltd | 画像記録装置 |
DE3516375A1 (de) * | 1984-05-07 | 1985-11-07 | Kabushiki Kaisha Toshiba, Kawasaki, Kanagawa | Aufzeichnungsgeraet |
DE3516373A1 (de) * | 1984-05-07 | 1985-11-07 | Kabushiki Kaisha Toshiba, Kawasaki, Kanagawa | Datenaufzeichnungsgeraet |
JPH01102584A (ja) * | 1987-10-16 | 1989-04-20 | Ricoh Co Ltd | 画像転写装置 |
JPH0224167A (ja) * | 1988-05-20 | 1990-01-26 | Xerox Corp | 中間調画像再生方法 |
JPH05502992A (ja) * | 1990-11-21 | 1993-05-20 | ポラロイド コーポレーシヨン | 印刷方法 |
JPH05503199A (ja) * | 1990-11-21 | 1993-05-27 | ポラロイド コーポレーシヨン | 印刷装置及びその方法 |
Also Published As
Publication number | Publication date |
---|---|
JPH0219668B2 (sv) | 1990-05-02 |
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