Auto-alignment of image sensors in a multi-camera system
US8988509B1 · kind B1 · utility
101Cited by
1References
20Claims
0Family size
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Key dates
| Filing date | Mar 20, 2014 |
| Grant date | Mar 24, 2015 |
| Priority date | — |
| Expiry date | Mar 20, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N25/531
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A pair of cameras having an overlapping field of view is aligned based on images captured by image sensors of the pair of cameras. A pixel shift is identified between the images. Based on the identified pixel shift, a calibration is applied to one or both of the pair of cameras. To determine the pixel shift, the camera applies correlation methods including edge matching. Calibrating the pair of cameras may include adjusting a read window on an image sensor. The pixel shift can also be used to determine a time lag, which can be used to synchronize subsequent image captures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.