Scene exposure auto-compensation for differential image comparisons
US9390487B2 · kind B2 · utility
0Cited by
9References
18Claims
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Key dates
| Filing date | Oct 20, 2014 |
| Grant date | Jul 12, 2016 |
| Priority date | — |
| Expiry date | Oct 20, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/76
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Changes in image exposure setting may be compensated by creating a table of aggregate differences between corresponding pixels in two images and applying the table of aggregate differences to a portion of one of the two images. The images may be in any color space for visible light, or images not of visible light, such as infrared or depth images. In various configurations, the differences may be aggregated by averaging the differences for pixels of a certain value in one of the two images.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.