2-D extended image generation from 3-D data extracted from a video sequence
US6504569B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 22, 1998 |
| Grant date | Jan 7, 2003 |
| Priority date | — |
| Expiry date | Apr 22, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S345/95
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method of generating a 2-D extended image from a video sequence representing a natural 3-D scene first determines motion parameters for a camera that recorded the scene with respect to a bakcground object from the video sequence using a structure-from-motion algorithm. The motion parameters include a rotation matrix, a translation vector and a depth map representing the depth of each point in the background object from the camera. Next from the motion parameters and depth map the 2-D extended image is generated for the background object as a composition of the images from the video sequence using a plane perspective projection technique. The background object may be layered as a function of depth and flatness criteria to form a set of layered 2-D extended images for the background object from the video sequence.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.