Image de-hazing by solving transmission value
US8755628B2 · kind B2 · utility
11Cited by
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20Claims
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Key dates
| Filing date | Sep 10, 2012 |
| Grant date | Jun 17, 2014 |
| Priority date | — |
| Expiry date | Sep 10, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/20076
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An image processing server performs haze-removal from images. Global atmospheric light is estimated and an initial transmission value is estimated. In one embodiment, a solver is applied to an objective function to recover a scene radiance value based on the estimated atmospheric light and estimated transmission value. The scene radiance value is used to construct an image without haze. In a simplified method that avoids using a solver, bilateral filtering is performed on the transmission image in order to construct an image without haze.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.