White balance correction in digital camera images
US7652717B2 · kind B2 · utility
6Cited by
7References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 11, 2005 |
| Grant date | Jan 26, 2010 |
| Priority date | — |
| Expiry date | Sep 5, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/88
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method of enhancing a digital image produced by a digital imaging device, includes using the digital imaging device to capture at least two original digital images of the same scene with each digital image being under two different lighting conditions and producing for each such digital images a plurality of pixels; using the pixel values of at least two of the captured digital images under different lighting conditions to produce difference values; and modifying the pixel values of the original digital image in response to the corresponding difference values.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.