Blemish detection and notification in an image capture device
US8982263B2 · kind B2 · utility
2Cited by
3References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 11, 2010 |
| Grant date | Mar 17, 2015 |
| Priority date | — |
| Expiry date | Nov 11, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/60
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A lens on an image capture device is illuminated with a known light source. The current light field created by illuminating the lens is measured at an image sensor on the device. In response to detecting that the current light field measurement fails to satisfy a threshold, a notification is provided on the device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.