Method and apparatus for recognizing location of user
US8396253B2 · kind B2 · utility
1Cited by
3References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 6, 2011 |
| Grant date | Mar 12, 2013 |
| Priority date | — |
| Expiry date | Jun 28, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/30201
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method of recognizing a location of a user including detecting the user's two eyes and mouth of their face is provided, which includes calculating a ratio of a distance between the two eyes to a distance between a middle point of the two eyes and the mouth, calculating a rotation angle of the face according to the ratio, and detecting a distance between the face and the camera based on the rotation angle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.