Method and system for removing color bleeding artifacts by filtering the chrominance plane of decompressed images
US6462788B1 · kind B1 · utility
2Cited by
11References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 30, 2000 |
| Grant date | Oct 8, 2002 |
| Priority date | — |
| Expiry date | Apr 18, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N11/044
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A video frame is decomposed into blocks of pixels. Blocks that contain moving edges are not processed further. The remaining blocks are examined for the likelihood of having color bleeding artifacts, and not processed further if the likelihood is low. The likelihood is determined by examining statistics of the chrominance values. The remaining blocks are de-color bleeding filtered at the chrominance plane, without affecting the corresponding luminance plane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.