Safe illumination for computerized facial recognition
US8644564B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 30, 2010 |
| Grant date | Feb 4, 2014 |
| Priority date | — |
| Expiry date | Sep 9, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/80
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In an embodiment, a method is provided. The method includes setting an IR (infrared) level to a first predetermined level. The method also includes reading an image and determining if a face is detected. If a face is not detected, the method sets the IR level to zero and waits a first predetermined amount of time. The method further includes repeating the setting the IR level to the first predetermined level and the reading an image. The method also includes determining a face is detected. The method further includes setting the IR level to a second predetermined level. The method also includes reading an image and determining if a face is recognized. The method may further include setting the IR level to zero and waiting a second predetermined amount of time. The method may also include setting the IR level to the first predetermined level, reading an image and determining if a face is detected.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.