Algorithm to enhance the contrast of a monochrome image
US7760938B1 · kind B1 · utility
1Cited by
3References
15Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 11, 2005 |
| Grant date | Jul 20, 2010 |
| Priority date | — |
| Expiry date | May 11, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/10016
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for enhancing the contrast of an image. The method may include creating a histogram of an original image, determining output pixel values based on one or more thresholds that define a minimum number of pixels in each histogram bin, and correcting the original image using the output pixel values.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.