Comparison of linear and nonlinear video processing and evaluation for an MPEG-2 codec

Laurent Lucat; Pierre Siohan

doi:10.1117/12.263206

10 January 1997 Comparison of linear and nonlinear video processing and evaluation for an MPEG-2 codec

Laurent Lucat, Pierre Siohan

Author Affiliations +

Proceedings Volume 3024, Visual Communications and Image Processing '97; (1997) https://doi.org/10.1117/12.263206
Event: Electronic Imaging '97, 1997, San Jose, CA, United States

Abstract

Considering a video signal which has ben degraded by a PAL codec and a noisy transmission on a satellite channel, tow digital filtering schemes are presented for reducing the different resulting signal distortions before its MPEG2 encoding. The first one deals with crossing-effect and transmission noise using a single non-linear filtering box, while the second scheme consists of several linear processing, each one devoted to one kind of distortion. Both filtering approaches are discussed, and their performances before and after the MPEG2 codec are compared, using objective, peak signal-to-noise ration, as well as subjective, visual quality, criteria.

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Laurent Lucat and Pierre Siohan "Comparison of linear and nonlinear video processing and evaluation for an MPEG-2 codec", Proc. SPIE 3024, Visual Communications and Image Processing '97, (10 January 1997); https://doi.org/10.1117/12.263206

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