Source relative warping for corner pinning
US6034696A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 12, 1997 |
| Grant date | Mar 7, 2000 |
| Priority date | — |
| Expiry date | Sep 12, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T3/18
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A source relative warping technique for corner pinning calculates a final projection matrix representing a desired video effect. At least three non-collinear points are specified in an input video signal representing an image in a source plane. One or more of the non-collinear points are "deformed", and then the points as deformed are processed by the final projection matrix to produce projected points in a target plane. A new projection matrix is defined that projects the original non-collinear points in the source plane onto the projected points in the target plane. The new projection matrix is finally substituted for the final projection matrix.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.