Method and apparatus for detecting fog from image
US10853685B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Jul 5, 2017 |
| Grant date | Dec 1, 2020 |
| Priority date | — |
| Expiry date | Nov 27, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V10/56
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Provided is a method for detecting fog from an image, the method including: generating a histogram based on a luminance signal of the image; calculating a histogram width from the histogram; calculating a color contrast value based on color signals of the image; and detecting a fog level of the image based on the histogram width and the color contrast value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.