Method for contrast mapping of digital images that converges on a solution
US6807299B2 · kind B2 · utility
14Cited by
4References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 10, 2001 |
| Grant date | Oct 19, 2004 |
| Priority date | — |
| Expiry date | Jan 15, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T5/94
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method of local contrast mapping that changes the dynamic range of an original image to more closely match the dynamic range of the medium used for the reproduction. The method variably compresses large contrast differences between different areas of an image while variably modifing small contrast differences between different areas of an image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.