Image signal processing
US7480419B2 · kind B2 · utility
1Cited by
15References
20Claims
0Family size
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Key dates
| Filing date | Dec 1, 2003 |
| Grant date | Jan 20, 2009 |
| Priority date | — |
| Expiry date | Jun 28, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/10024
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An image signal is processed by deriving measurements representing the luminance of a signal; calculating values relating to the local mean, the local standard deviation, the local maximum and/or the local minimum; and computing therefrom local standard coordinates such as z-scores which are independent of brightness and contrast.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.