Method for estimating contour of video object
US8437393B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Feb 2, 2009 |
| Grant date | May 7, 2013 |
| Priority date | — |
| Expiry date | Mar 8, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/20092
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method for estimating a boundary between a background and a user object in a video, in which the user object is segmented from the background is provided. The initial object contour is estimated in a first video frame for object segmentation, and color probability density functions are estimated for the user object and the background segmented from the first video frame. An edge strip with a predetermined width is generated in a current frame based on an object contour of a previous frame, and a coherence probability density function of the edge strip is estimated. The user object is segmented in the current frame by energy minimization.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.