Visual tracking method by color information
US7068814B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 13, 2001 |
| Grant date | Jun 27, 2006 |
| Priority date | — |
| Expiry date | Apr 13, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T7/254
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method of visual tracking with use of color includes the step of three-dimensional color modeling of the target, the step of target recognition for initially perceiving the target, and the step of visual tracking for repetitive visual tracking. In order to be robust to irregular or abrupt changes of illumination, the present invention provides a visual tracking method in which characteristics of the photographing element (CCD or CMOS) used by the camera are analyzed beforehand and the results of the analysis are modeled by a B-spline curve, allowing effects of the real-time visual tracking and adaptability to situations of rapid target movement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.