Adaptive generation of a high dynamic range image of a scene, on the basis of a plurality of images obtained by non-destructive reading of an image sensor
US10924687B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Dec 22, 2017 |
| Grant date | Feb 16, 2021 |
| Priority date | — |
| Expiry date | Dec 22, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10F39/803
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
High dynamic range (HDR) images are generated on the basis of a plurality of images obtained by non-destructive reading of an image sensor, called NDRO images. An HDR image generation method includes: the determination of a criterion of desired quality for the HDR image; at least two non-destructive readings of the sensor delivering at least two successive NDRO images; the selection, as a function of the criterion of desired quality, of the first and of the last NDRO image to be used to generate the HDR image; the generation of the HDR image on the basis of information extracted from a series of successive NDRO images starting with the first and terminating with the last NDRO image to be used; the storage of a single image at one and the same time throughout the entire HDR generation phase.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.