Method and relative device for estimating white gaussian noise that corrupts a digital image
US8224109B2 · kind B2 · utility
13Cited by
7References
26Claims
0Family size
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Key dates
| Filing date | Oct 5, 2007 |
| Grant date | Jul 17, 2012 |
| Priority date | — |
| Expiry date | Mar 16, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/20021
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method for estimating the white Gaussian noise level that corrupts a digital image by discriminating homogeneous blocks from blocks containing a textured area and skipping these last blocks when evaluating the noise standard deviation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.