Image processing method and computer software for image processing
US8160387B2 · kind B2 · utility
4Cited by
5References
25Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 19, 2005 |
| Grant date | Apr 17, 2012 |
| Priority date | — |
| Expiry date | Apr 20, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/30144
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The invention provides a method of image correction processing which comprises altering area image intensity values of an image according to an dynamic range compression image transform. The output image intensity of an area is altered, compared to the input image intensity, according to an area amplification coefficient. The amplification coefficient of an area is varied in dependence upon the amplification coefficient of at least one other neighbouring area. The invention preserves contrast in images that have been processed in order to compress dynamic range.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.