Using multiple exposures to improve image processing for autonomous vehicles
US9654738B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 7, 2013 |
| Grant date | May 16, 2017 |
| Priority date | — |
| Expiry date | Dec 22, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V20/584
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The invention relates to collecting different images using different camera parameters. As an example, a single camera may capture two different types of images: a dark exposure for light emitting objects and a normal exposure for passive objects. The camera may first capture an image. This first image may be processed to determine the ideal camera settings for capturing the average intensity of the environment. Fixed offset values may be added to these ideal camera settings and the dark exposure may be captured. The ideal camera settings are then used to capture a normal exposure, which in turn may be processed to determine new ideal camera settings. Again, the fixed offset values may be added to the new ideal camera settings and a dark exposure is captured. This process may repeat continuously and periodically, and the resulting images may be processed to identify emissive and passive objects.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.