Target-less calibration of turbid media
US11062433B2 · kind B2 · utility
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5References
20Claims
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Key dates
| Filing date | Mar 13, 2018 |
| Grant date | Jul 13, 2021 |
| Priority date | — |
| Expiry date | Mar 13, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/20224
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method comprising acquiring a first image of a scene inside a medium, under illumination from a first location or orientation. The method comprises an action of acquiring a second image of the scene inside the medium, under illumination from a second, different location or orientation. The method comprises an action of computing attenuation coefficients, one per color channel, based on backscatter in the first and second images.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.