Incorporating video meta-data in 3D models
US8630460B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 9, 2013 |
| Grant date | Jan 14, 2014 |
| Priority date | — |
| Expiry date | May 9, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V20/647
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A moving object detected and tracked within a field of view environment of a two-dimensional data feed of a calibrated video camera is represented by a three-dimensional model through localizing a centroid of the object and determining an intersection with a ground-plane within the field of view environment. An appropriate three-dimensional mesh-based volumetric model for the object is initialized by using a back-projection of a corresponding two-dimensional image as a function of the centroid and the determined ground-plane intersection. A texture of the object is projected onto the three-dimensional model, and two-dimensional tracks of the object are upgraded to three-dimensional motion to drive a three-dimensional model.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.