Color correction for a scene based on the detection of artificial illumination in the scene
US6865293B2 · kind B2 · utility
5Cited by
2References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 30, 2001 |
| Grant date | Mar 8, 2005 |
| Priority date | — |
| Expiry date | Aug 28, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/6086
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for color correcting for the presence, in a scene, of artificial illumination that is powered by alternating current is disclosed. By sampling the light in a scene at a periodic rate the presence of artificial illumination can be detected and then color corrected.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.