Method and device for the colorimetric measurement of a colored surface
US6614530B1 · kind B1 · utility
5Cited by
10References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 4, 2001 |
| Grant date | Sep 2, 2003 |
| Priority date | — |
| Expiry date | May 4, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01J3/0272
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present invention relates to a method for the colorimetric measurement of a defined region on an image representing a surface, characterized in that the said image of the said surface is taken using a color camera, in that the analogue information measured on the said surface is transformed and converted into digital form, in that the said defined region on the said image is delimited and in that the measurement of the chromatic values R, G, B is carried out for this region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.