Tracking an object with multiple asynchronous cameras
US8705799B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 29, 2012 |
| Grant date | Apr 22, 2014 |
| Priority date | — |
| Expiry date | Oct 29, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/30224
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
The path and/or position of an object is tracked using two or more cameras which run asynchronously so there is need to provide a common timing signal to each camera. Captured images are analyzed to detect a position of the object in the image. Equations of motion for the object are then solved based on the detected positions and a transformation which relates the detected positions to a desired coordinate system in which the path is to be described. The position of an object can also be determined from a position which meets a distance metric relative to lines of position from three or more images. The images can be enhanced to depict the path and/or position of the object as a graphical element. Further, statistics such as maximum object speed and distance traveled can be obtained. Applications include tracking the position of a game object at a sports event.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.