Error concealment for video services
US6512795B1 · kind B1 · utility
12Cited by
6References
36Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jun 26, 2000 |
| Grant date | Jan 28, 2003 |
| Priority date | — |
| Expiry date | Jun 26, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/888
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In compressed video signals, lost or erroneous information in a current image signal received at the receiving end of a transmission channel is concealed by identifying a motion compensated equivalent region in a previously transmitted image and substituting the equivalent region as a prediction of the lost or erroneous information in the current image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.