Hands-free interface to a virtual reality environment using head tracking
US6009210A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 5, 1997 |
| Grant date | Dec 28, 1999 |
| Priority date | — |
| Expiry date | Mar 5, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63F2300/6676
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A hands-free navigation system for tracking a head and responsively adjusting the display of a virtual reality environment includes a camera, the camera employed to follow movements of the head, a computer system connected to the camera, the computer system including a memory, a central processing unit (CPU), a digitizer, the digitizer providing a current image of a face of the head, a face tracker, the face tracker including the capability of receiving a reference face image from the digitizer, of receiving the current face image from the digitizer, of determining a head translation and orientation, and of providing the head translation and orientation to a three dimensional virtual environment viewer connected to the computer system for display of the virtual environment at the desired viewpoint.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.