WO1992003855A3 - Systeme et procede de selection de couleurs reproductibles dans un systeme de reproduction discret - Google Patents
Systeme et procede de selection de couleurs reproductibles dans un systeme de reproduction discret Download PDFInfo
- Publication number
- WO1992003855A3 WO1992003855A3 PCT/US1991/005986 US9105986W WO9203855A3 WO 1992003855 A3 WO1992003855 A3 WO 1992003855A3 US 9105986 W US9105986 W US 9105986W WO 9203855 A3 WO9203855 A3 WO 9203855A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- colors
- equiperceptible
- reproduction system
- gray scale
- print density
- Prior art date
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
- H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
- H04N1/4072—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on the contents of the original
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Color, Gradation (AREA)
- Facsimile Image Signal Circuits (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US572,205 | 1984-01-18 | ||
US07/572,205 US5287122A (en) | 1990-08-23 | 1990-08-23 | System and method of selecting the reproducible colors in a discrete reproduction system |
Publications (2)
Publication Number | Publication Date |
---|---|
WO1992003855A2 WO1992003855A2 (fr) | 1992-03-05 |
WO1992003855A3 true WO1992003855A3 (fr) | 1992-04-16 |
Family
ID=24286815
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1991/005986 WO1992003855A2 (fr) | 1990-08-23 | 1991-08-21 | Systeme et procede de selection de couleurs reproductibles dans un systeme de reproduction discret |
Country Status (3)
Country | Link |
---|---|
US (1) | US5287122A (fr) |
AU (1) | AU8918791A (fr) |
WO (1) | WO1992003855A2 (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0536821B1 (fr) * | 1991-09-27 | 1996-09-04 | Agfa-Gevaert N.V. | Procédé de reproduction d'images médicales pour générer des images de qualité optimale pour diagnostic |
DE69213380T2 (de) * | 1991-09-27 | 1997-03-20 | Agfa Gevaert Nv | Reproduktionsverfahren für medizinische Bilder,das optimale Bildqualität für Diagnose herstellt |
EP0536822B1 (fr) * | 1991-09-27 | 1997-02-26 | Agfa-Gevaert N.V. | Procédé pour exécuter des courbes de transformations spécifiques dans des imprimantes de sublimation thermique |
US5574666A (en) * | 1994-05-13 | 1996-11-12 | Canon Information Systems, Inc. | Color printing method and apparatus using gamut mapping in Munsell space |
US5686953A (en) * | 1994-11-22 | 1997-11-11 | Minnesota Mining And Manufacturing Company | Imaging system and method using linear perceived optical density interface |
US5539459A (en) * | 1995-05-18 | 1996-07-23 | Polaroid Corporation | Optimal tone scale mapping in electronic cameras |
DE10055837A1 (de) * | 2000-11-12 | 2002-06-06 | Thomas Maier | Verfahren zum Erfassen von Bildinformationen |
US10419645B2 (en) * | 2018-02-20 | 2019-09-17 | Ricoh Company, Ltd. | Dynamic color matching between printers and print jobs |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0168818A2 (fr) * | 1984-07-16 | 1986-01-22 | Kabushiki Kaisha Toshiba | Appareil à copier pour images en couleurs |
EP0313794A2 (fr) * | 1987-10-26 | 1989-05-03 | Tektronix, Inc. | Système de couleur à base d'un dispositif d'affichage |
US4949135A (en) * | 1989-08-17 | 1990-08-14 | Eastman Kodak Company | Visual based process control apparatus which is based on a near uniform human visual response space |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62260476A (ja) * | 1986-05-06 | 1987-11-12 | Alps Electric Co Ltd | 階調プリンタ |
JPH0686127B2 (ja) * | 1986-06-23 | 1994-11-02 | 興 和 株 式 會 社 | 発熱型画像記録装置 |
US5025267A (en) * | 1988-09-23 | 1991-06-18 | Datacard Corporation | Thermal print head termperature control |
-
1990
- 1990-08-23 US US07/572,205 patent/US5287122A/en not_active Expired - Lifetime
-
1991
- 1991-08-21 WO PCT/US1991/005986 patent/WO1992003855A2/fr active Application Filing
- 1991-08-21 AU AU89187/91A patent/AU8918791A/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0168818A2 (fr) * | 1984-07-16 | 1986-01-22 | Kabushiki Kaisha Toshiba | Appareil à copier pour images en couleurs |
EP0313794A2 (fr) * | 1987-10-26 | 1989-05-03 | Tektronix, Inc. | Système de couleur à base d'un dispositif d'affichage |
US4949135A (en) * | 1989-08-17 | 1990-08-14 | Eastman Kodak Company | Visual based process control apparatus which is based on a near uniform human visual response space |
Also Published As
Publication number | Publication date |
---|---|
WO1992003855A2 (fr) | 1992-03-05 |
AU8918791A (en) | 1992-03-17 |
US5287122A (en) | 1994-02-15 |
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