JPH0418767B2 - - Google Patents
Info
- Publication number
- JPH0418767B2 JPH0418767B2 JP60084005A JP8400585A JPH0418767B2 JP H0418767 B2 JPH0418767 B2 JP H0418767B2 JP 60084005 A JP60084005 A JP 60084005A JP 8400585 A JP8400585 A JP 8400585A JP H0418767 B2 JPH0418767 B2 JP H0418767B2
- Authority
- JP
- Japan
- Prior art keywords
- color
- area ratio
- color information
- dot area
- filter
- 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
- 238000012937 correction Methods 0.000 claims description 24
- 238000000926 separation method Methods 0.000 claims description 23
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 238000002834 transmittance Methods 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 4
- 239000003086 colorant Substances 0.000 description 21
- 230000003595 spectral effect Effects 0.000 description 17
- 238000000034 method Methods 0.000 description 8
- 238000012545 processing Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000000630 rising effect Effects 0.000 description 3
- 235000005811 Viola adunca Nutrition 0.000 description 2
- 235000013487 Viola odorata Nutrition 0.000 description 2
- 235000002254 Viola papilionacea Nutrition 0.000 description 2
- 239000000976 ink Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 101100087530 Caenorhabditis elegans rom-1 gene Proteins 0.000 description 1
- 101100305983 Mus musculus Rom1 gene Proteins 0.000 description 1
- 244000154870 Viola adunca Species 0.000 description 1
- 240000009038 Viola odorata Species 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001739 density measurement Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Facsimile Image Signal Circuits (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60084005A JPS61241613A (ja) | 1985-04-19 | 1985-04-19 | 網点面積率決定装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60084005A JPS61241613A (ja) | 1985-04-19 | 1985-04-19 | 網点面積率決定装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61241613A JPS61241613A (ja) | 1986-10-27 |
| JPH0418767B2 true JPH0418767B2 (da) | 1992-03-27 |
Family
ID=13818480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60084005A Granted JPS61241613A (ja) | 1985-04-19 | 1985-04-19 | 網点面積率決定装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61241613A (da) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50137203A (da) * | 1974-04-17 | 1975-10-31 | ||
| JPS538159A (en) * | 1976-07-12 | 1978-01-25 | Ricoh Co Ltd | Color information selection method |
| JPS57132148A (en) * | 1981-02-09 | 1982-08-16 | Toppan Printing Co Ltd | Color separating method of reflective original |
-
1985
- 1985-04-19 JP JP60084005A patent/JPS61241613A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50137203A (da) * | 1974-04-17 | 1975-10-31 | ||
| JPS538159A (en) * | 1976-07-12 | 1978-01-25 | Ricoh Co Ltd | Color information selection method |
| JPS57132148A (en) * | 1981-02-09 | 1982-08-16 | Toppan Printing Co Ltd | Color separating method of reflective original |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61241613A (ja) | 1986-10-27 |
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