Vehicle lighting control using image processing of changes in ambient light intensity
US12020487B2 · kind B2 · utility
0Cited by
6References
14Claims
0Family size
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Key dates
| Filing date | Jan 28, 2021 |
| Grant date | Jun 25, 2024 |
| Priority date | — |
| Expiry date | Jan 28, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R2300/80
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Changes in ambient light intensity are detected by processing image data from an image capture device to determine, iteratively, a signal-to-noise ratio of the image data. The signal-to-noise ratio is a ratio of average to variance of pixel values for some of the pixels forming the image. A control output is generated, based on the signal-to-noise ratio, that is responsive to changes in ambient light intensity. The control output is used control a light source of a vehicle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.