Method and apparatus for automatic white balance
US7423779B2 · kind B2 · utility
12Cited by
2References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 30, 2004 |
| Grant date | Sep 9, 2008 |
| Priority date | — |
| Expiry date | Aug 10, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/6086
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method of automatic white balance for an image capture system is disclosed. The automatic white balance mechanism ascertains the illuminant source of an image by analyzing the number of white pixels within a predefined white area in a color space diagram. The automatic white balance mechanism also determines gain adjustments based on the evaluating the average RGB values to achieve white balance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.