Device and process for coding video images by motion compensation
US7379604B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 22, 2002 |
| Grant date | May 27, 2008 |
| Priority date | — |
| Expiry date | May 29, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/82
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A device and a method for coding video images by motion compensation. The device incorporates a coding unit and a filtering unit. A calculation unit for calculating a recursivity coefficient as a function of an estimated noise level and a prediction error, a measurement unit for measuring the intra-image correlation and the inter-image correlation, a selection unit for selecting a type of coding applied to the current input image as a function at least of the measurements of the inter-image correlation and of the measurements of the intra-image correlation and as a function of the estimated noise level, a coding unit for coding the current input image as a function of the type of coding selected.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.