System and method for filtering artifacts in images
US7412109B2 · kind B2 · utility
7Cited by
10References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 14, 2004 |
| Grant date | Aug 12, 2008 |
| Priority date | — |
| Expiry date | Mar 13, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/20021
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method filters pixels in an image, by first partitioning the image into blocks. Edge block are identified. A variance of an intensity for each pixel in each edge block is determined. Then, each pixel in each edge block is filtered with a filter that is dependant on the variance of the pixel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.