System and method using edge processing to remove blocking artifacts from decompressed images
US6798918B2 · kind B2 · utility
4Cited by
41References
18Claims
0Family size
Assignee
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Key dates
| Filing date | Apr 17, 2002 |
| Grant date | Sep 28, 2004 |
| Priority date | — |
| Expiry date | May 2, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/20021
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A system and method using edge processing to remove blocking artifacts comprises an edge processor having an image converter for building an edge representation of a received image, a statistics analyzer for compiling a histogram containing edge intensities of the edge representation, a reference calculator for using the histogram to compute reference values corresponding to the blocking artifacts and an artifact remover for identifying and removing the blocking artifacts using the computed reference values.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.