A Generalized Coding Artifacts and Noise Removal Algorithm for Digitally Compressed Video Signals

Shao, Ling, Zhang, Hui and Liu, Yan (2011) A Generalized Coding Artifacts and Noise Removal Algorithm for Digitally Compressed Video Signals. In: MMM 2011 - 17th International Multimedia Modeling Conference, 5th - 7th January 2011, Taipei, Taiwan.

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Official URL: http://dx.doi.org/10.1007/978-3-642-17832-0_1

Abstract

A generalized coding artifact reduction algorithm is proposed for a variety of artifacts, including blocking artifact, ringing artifact and mosquito noise. This algorithm does not require grid position detection and any coding parameters. All the filtering is based on local content analysis. Basically, the algorithm attempts to apply mild low-pass filtering on more informative regions to preserve the sharpness of the object details, and to apply strong low-pass filtering on less informative regions to remove severe artifacts. The size and parameters of the low-pass filters are changed continuously based on the entropy of a local region.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Coding artifacts removal, noise reduction, entropy analysis, content adaptive filter
Subjects: G400 Computer Science
Department: Faculties > Engineering and Environment > Computer and Information Sciences
Related URLs:
Depositing User: Paul Burns
Date Deposited: 17 Jun 2015 10:02
Last Modified: 10 Aug 2015 11:18
URI: http://nrl.northumbria.ac.uk/id/eprint/22978

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