Color conversion apparatus
US5105267A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Sep 1, 1989 |
| Grant date | Apr 14, 1992 |
| Priority date | — |
| Expiry date | Sep 1, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/62
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A color conversion apparatus in use with a digital image processing sysetm in which image data is represented by digital data of three separated colors. The apparatus has a colorimetric system converter for separately converting the separated color data into chromaticity data and value data and a designating device for designating an original color and a converted color. A discrimination device discriminates whether or not the chromaticity data from the colorimetric system converter is coincident with the chromaticity data of an original color designated by the designating device. A selecting device selects one of the chromaticity data from the colorimetric system converter and the chromaticity data of an original color designated by the designating device on the basis of the discrimination result.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.