Method for estimating the motion between two digital images with management of mesh overturning and corresponding coding method
US6963605B2 · kind B2 · utility
Assignees
Inventor
Key dates
| Filing date | Dec 7, 2000 |
| Grant date | Nov 8, 2005 |
| Priority date | — |
| Expiry date | Apr 24, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/54
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The invention relates to a method for estimating the motion between two digital images and to the use of this method for coding images. The aim of the method is to eliminate the disturbances caused by the mesh being overturned during the motion estimation process. According to the invention, the method consists of carrying out a first motion estimation in order to identify the faulty mesh, i.e. the mesh that is overturning or is overlapping after the displacement vectors have been applied; then carrying out a second motion estimation, excluding at least said faulty mesh, in order to minimize prediction error on the remaining mesh of the model.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.