Method of tracking the position of the head in real time in a video image stream
US8571258B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 31, 2007 |
| Grant date | Oct 29, 2013 |
| Priority date | — |
| Expiry date | Jun 20, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/30196
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The invention relates to a method of tracking the position of the bust of a user on the basis of a video image stream, said bus comprising the user's torso and head, the method comprising the determination of the position of the torso on a first image, in which method a virtual reference frame is associated with the torso on said first image, and in which method, for a second image, a new position of the virtual reference frame is determined on said second image, and, a relative position of the head with respect to said new position of the virtual reference frame is measured by comparison with the position of the virtual reference frame on said first image, so as to determine independently the movements of the head and the torso.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.