Noise suppression
US9516238B2 · kind B2 · utility
0Cited by
6References
23Claims
0Family size
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Key dates
| Filing date | Feb 10, 2011 |
| Grant date | Dec 6, 2016 |
| Priority date | — |
| Expiry date | Jul 6, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N25/617
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method and apparatus apply one of a plurality of different levels of noise suppression to a pixel based on a difference between illuminance values for the pixel in the presence of (a) both a flash and ambient light and (b) without the flash.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.