Exposure control method for obtaining HDR image, related exposure control device and electronic device
US11206360B2 · kind B2 · utility
1Cited by
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18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 5, 2019 |
| Grant date | Dec 21, 2021 |
| Priority date | — |
| Expiry date | Sep 5, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/20221
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Disclosed in the present disclosure are an exposure control method, an exposure control device and an electronic device. The exposure control method includes the following. Scene data is processed to obtain a foreground part of a cached main image. A reference exposure is determined according to brightness information of the foreground part. A first exposure for a first image and a second exposure for a second image are determined according to the reference exposure. An imaging device is controlled to expose according to the reference exposure, the first exposure and the second exposure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.