Imaging apparatus and flicker correction method
US11470263B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 15, 2018 |
| Grant date | Oct 11, 2022 |
| Priority date | — |
| Expiry date | Nov 7, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N25/60
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A control section sets an exposure timing and an exposure period for imaging pixels for acquiring an imaging picture and light intensity detection pixels for detecting intensity of illumination light individually by an imaging section. A correction gain calculation section calculates a flicker correction gain for each of the imaging pixels on the basis of pixel signals generated by the imaging pixels and pixel signals generated by the light intensity detection pixels. A flicker correction section uses the flicker correction gain for each imaging pixel calculated by the correction gain calculation section to perform flicker correction of the imaging pixel. Accordingly, an imaging picture can be obtained on which the influence of fluctuation of the intensity of emission light is reduced irrespective of the positional relationship between an illumination apparatus and an imaging object.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.