JPH0141060B2 - - Google Patents
Info
- Publication number
- JPH0141060B2 JPH0141060B2 JP57062125A JP6212582A JPH0141060B2 JP H0141060 B2 JPH0141060 B2 JP H0141060B2 JP 57062125 A JP57062125 A JP 57062125A JP 6212582 A JP6212582 A JP 6212582A JP H0141060 B2 JPH0141060 B2 JP H0141060B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- signals
- color separation
- digital
- hue
- 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
Links
- 230000015654 memory Effects 0.000 claims description 65
- 238000012937 correction Methods 0.000 claims description 45
- 238000000926 separation method Methods 0.000 claims description 26
- 230000007935 neutral effect Effects 0.000 claims description 18
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 9
- 239000003086 colorant Substances 0.000 claims description 2
- 230000000873 masking effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 239000000049 pigment Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002123 temporal 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
-
- 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
- H04N1/6027—Correction or control of colour gradation or colour contrast
-
- 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
- H04N1/6075—Corrections to the hue
-
- 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
- H04N1/6077—Colour balance, e.g. colour cast correction
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Image Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
- Color Image Communication Systems (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57062125A JPS58178355A (ja) | 1982-04-14 | 1982-04-14 | デイジタル色修正方式及び装置 |
GB08310010A GB2119600B (en) | 1982-04-14 | 1983-04-13 | Method and apparatus for digital color correction |
DE3313392A DE3313392A1 (de) | 1982-04-14 | 1983-04-13 | Verfahren und vorrichtung zur digitalen farbkorrektur |
US06/906,694 US4845550A (en) | 1982-04-14 | 1986-09-11 | Method and apparatus for processing picture image signals |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57062125A JPS58178355A (ja) | 1982-04-14 | 1982-04-14 | デイジタル色修正方式及び装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58178355A JPS58178355A (ja) | 1983-10-19 |
JPH0141060B2 true JPH0141060B2 (enrdf_load_stackoverflow) | 1989-09-01 |
Family
ID=13191028
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57062125A Granted JPS58178355A (ja) | 1982-04-14 | 1982-04-14 | デイジタル色修正方式及び装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58178355A (enrdf_load_stackoverflow) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60236578A (ja) * | 1984-05-10 | 1985-11-25 | Fuji Xerox Co Ltd | カラ−濃度補正装置 |
JPS62163181A (ja) * | 1986-01-14 | 1987-07-18 | Canon Inc | 画像処理回路 |
JP2592796B2 (ja) * | 1986-01-14 | 1997-03-19 | キヤノン株式会社 | カラー画像処理装置 |
US4887150A (en) * | 1987-03-16 | 1989-12-12 | Mitsubishi Denki Kabushiki Kaisha | Device for converting video image signals to printing data signals |
JP2686258B2 (ja) * | 1987-05-25 | 1997-12-08 | 株式会社リコー | 画像データ処理装置 |
JPH06101790B2 (ja) * | 1989-01-27 | 1994-12-12 | 三菱電機株式会社 | 色補正方法 |
JP2626093B2 (ja) * | 1989-11-13 | 1997-07-02 | 日本電気株式会社 | 色信号変換回路 |
-
1982
- 1982-04-14 JP JP57062125A patent/JPS58178355A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS58178355A (ja) | 1983-10-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5162899A (en) | Color data correction apparatus ultilizing neural network | |
US4845550A (en) | Method and apparatus for processing picture image signals | |
US5149960A (en) | Method of converting scanner signals into colorimetric signals | |
US4060829A (en) | Method of color correction | |
JP3472312B2 (ja) | カラー画像処理方法および装置 | |
US4481532A (en) | Method of determining and storing color printing information | |
US4841362A (en) | Apparatus for generating positive or negative image output signals from either positive or negative originals | |
EP0487304B1 (en) | Color image processing | |
US4127871A (en) | Method of color correction including transforming co-ordinate systems of color separation signals | |
US5278640A (en) | Color modification utilizing two coefficients | |
EP0173032A2 (en) | Digital Color-Image Transformation | |
US4573071A (en) | Method and system for displaying a color image simulating a multi-color printed matter on a screen | |
JP3083067B2 (ja) | 色変換係数決定方法及び装置 | |
US4349835A (en) | Color printing process simulator | |
US4965664A (en) | Color image signal processing method and apparatus for recording a color image from input color image signals by converting an individual color signal component | |
JPH0141060B2 (enrdf_load_stackoverflow) | ||
JPH04304775A (ja) | カラー画像信号の色修正方法 | |
US5299034A (en) | Image processing apparatus and image processing method for reproducing a color image from color signals having different phases | |
EP0131430B1 (en) | Image processing apparatus | |
JPH06121160A (ja) | 色補正回路 | |
JPH0448209B2 (enrdf_load_stackoverflow) | ||
JPH0223776A (ja) | 色修正データ算出装置 | |
JP2001008045A (ja) | 色信号処理装置 | |
KR840001217B1 (ko) | 디지탈 컬러제어에 있어서의 마스킹 연산방법 | |
JPS6113259A (ja) | カラ−画像処理方法 |