Method and device for tone-mapping a high dynamic range image
US10003809B2 · kind B2 · utility
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19Claims
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Key dates
| Filing date | Dec 22, 2014 |
| Grant date | Jun 19, 2018 |
| Priority date | — |
| Expiry date | Feb 1, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2340/02
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present invention generally relates to a method and device for tone-mapping an image. The method is characterized in that it comprises: obtaining (12) a residual image by dividing the image by a backlight image determined (11) from the image, and obtaining (13) a tone-mapped image by tone-mapping to the residual image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.