JPH0230226B2 - - Google Patents
Info
- Publication number
- JPH0230226B2 JPH0230226B2 JP55179423A JP17942380A JPH0230226B2 JP H0230226 B2 JPH0230226 B2 JP H0230226B2 JP 55179423 A JP55179423 A JP 55179423A JP 17942380 A JP17942380 A JP 17942380A JP H0230226 B2 JPH0230226 B2 JP H0230226B2
- Authority
- JP
- Japan
- Prior art keywords
- color
- correction
- term
- function
- polynomial
- 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
- 230000006870 function Effects 0.000 claims description 17
- 238000004364 calculation method Methods 0.000 claims description 16
- 238000000926 separation method Methods 0.000 claims description 8
- 230000015654 memory Effects 0.000 claims description 6
- 239000011159 matrix material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 2
- 230000000873 masking effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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
- H04N1/56—Processing of colour picture signals
- H04N1/60—Colour correction or control
- H04N1/6016—Conversion to subtractive colour signals
- H04N1/6019—Conversion to subtractive colour signals using look-up tables
-
- 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
- H04N1/56—Processing of colour picture signals
- H04N1/60—Colour correction or control
- H04N1/603—Colour correction or control controlled by characteristics of the picture signal generator or the picture reproducer
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Processing Or Creating Images (AREA)
- Complex Calculations (AREA)
- Image Processing (AREA)
- Color Image Communication Systems (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55179423A JPS57131172A (en) | 1980-12-17 | 1980-12-17 | Color compensating and operating device |
EP81110552A EP0054313B1 (en) | 1980-12-17 | 1981-12-17 | Colour image duplicating device and method |
US06/332,098 US4458265A (en) | 1980-12-17 | 1981-12-17 | Color image duplicating system |
DE8181110552T DE3177123D1 (en) | 1980-12-17 | 1981-12-17 | Colour image duplicating device and method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55179423A JPS57131172A (en) | 1980-12-17 | 1980-12-17 | Color compensating and operating device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57131172A JPS57131172A (en) | 1982-08-13 |
JPH0230226B2 true JPH0230226B2 (enrdf_load_stackoverflow) | 1990-07-05 |
Family
ID=16065596
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55179423A Granted JPS57131172A (en) | 1980-12-17 | 1980-12-17 | Color compensating and operating device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57131172A (enrdf_load_stackoverflow) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0965537A (ja) * | 1995-08-22 | 1997-03-07 | Nitto Kogyo Kk | 電線共同溝 |
US6829062B2 (en) | 1998-04-20 | 2004-12-07 | Mitsubishi Denki Kabushiki Kaisha | Color conversion device and color conversion method |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59171276A (ja) * | 1983-03-17 | 1984-09-27 | Canon Inc | 画像処理装置 |
JPS60140976A (ja) * | 1983-12-27 | 1985-07-25 | Toshiba Corp | カラ−画像処理装置 |
JPH0640255B2 (ja) * | 1984-03-31 | 1994-05-25 | 株式会社東芝 | 画像信号処理装置 |
JPS60232794A (ja) * | 1984-05-01 | 1985-11-19 | Fuji Photo Film Co Ltd | 画像処理における色出力方法 |
US4970584A (en) * | 1985-05-15 | 1990-11-13 | Ricoh Company, Ltd. | Method and apparatus for the compensation of color detection |
JP2527715B2 (ja) * | 1986-05-30 | 1996-08-28 | キヤノン株式会社 | 画像処理方法 |
CN110949015B (zh) * | 2018-09-26 | 2021-12-14 | 海德堡印刷机械股份公司 | 两级式密度补偿方法 |
-
1980
- 1980-12-17 JP JP55179423A patent/JPS57131172A/ja active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0965537A (ja) * | 1995-08-22 | 1997-03-07 | Nitto Kogyo Kk | 電線共同溝 |
US6829062B2 (en) | 1998-04-20 | 2004-12-07 | Mitsubishi Denki Kabushiki Kaisha | Color conversion device and color conversion method |
Also Published As
Publication number | Publication date |
---|---|
JPS57131172A (en) | 1982-08-13 |
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