JPH0376633B2 - - Google Patents
Info
- Publication number
- JPH0376633B2 JPH0376633B2 JP58249661A JP24966183A JPH0376633B2 JP H0376633 B2 JPH0376633 B2 JP H0376633B2 JP 58249661 A JP58249661 A JP 58249661A JP 24966183 A JP24966183 A JP 24966183A JP H0376633 B2 JPH0376633 B2 JP H0376633B2
- Authority
- JP
- Japan
- Prior art keywords
- color
- color information
- area ratio
- dot area
- halftone
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 48
- 239000003086 colorant Substances 0.000 claims description 37
- 238000004364 calculation method Methods 0.000 claims description 33
- 238000000034 method Methods 0.000 claims description 26
- 238000012545 processing Methods 0.000 claims description 13
- 238000000926 separation method Methods 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 4
- 239000000976 ink Substances 0.000 description 30
- 238000007639 printing Methods 0.000 description 17
- 239000013598 vector Substances 0.000 description 17
- 238000010586 diagram Methods 0.000 description 10
- 239000007787 solid Substances 0.000 description 8
- 238000012937 correction Methods 0.000 description 3
- 244000154870 Viola adunca Species 0.000 description 2
- 235000005811 Viola adunca Nutrition 0.000 description 2
- 235000013487 Viola odorata Nutrition 0.000 description 2
- 235000002254 Viola papilionacea Nutrition 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000007646 gravure printing Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000010147 laser engraving Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F5/00—Screening processes; Screens therefor
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Facsimile Image Signal Circuits (AREA)
- Color Image Communication Systems (AREA)
- Length Measuring Devices By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58249661A JPS60140348A (ja) | 1983-12-28 | 1983-12-28 | 網点面積率決定装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58249661A JPS60140348A (ja) | 1983-12-28 | 1983-12-28 | 網点面積率決定装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60140348A JPS60140348A (ja) | 1985-07-25 |
| JPH0376633B2 true JPH0376633B2 (sv) | 1991-12-06 |
Family
ID=17196336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58249661A Granted JPS60140348A (ja) | 1983-12-28 | 1983-12-28 | 網点面積率決定装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60140348A (sv) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2575134B2 (ja) * | 1987-04-10 | 1997-01-22 | コニカ株式会社 | カラ−パツチによる色推定方法 |
| DE10312457A1 (de) * | 2003-03-20 | 2004-09-30 | Fogra Forschungsgesellschaft Druck E.V. | Verfahren zur Bestimmung der auf einem Trägermaterial erzielten Pixelgröße eines Schreibstrahls sowie dessen Verwendung zur Bestimmung des absoluten Tonwerts |
-
1983
- 1983-12-28 JP JP58249661A patent/JPS60140348A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60140348A (ja) | 1985-07-25 |
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