Color highlight reconstruction
US8861851B2 · kind B2 · utility
2Cited by
8References
49Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 3, 2012 |
| Grant date | Oct 14, 2014 |
| Priority date | — |
| Expiry date | Nov 30, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/20036
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Methods and apparatus may be applied to reconstruct pixel values in saturated regions of an image. Saturated regions are identified and hues for pixels in the saturated regions are estimated based on hues in boundaries of the saturated regions. Gradients for pixel values in saturated color channels within the saturated region may be estimated based on known gradients for non-saturated color channels. Reconstructed pixel values may be derived from the estimated gradients. The methods and apparatus may be applied in conjunction with dynamic range expansion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.