Optimal image restoration using HVS-based rate-distortion curves

Authors:
Vittoria Bruni;Elisa Rossi;Domenico Vitulano
Affiliations:
University of Rome 'Sapienza', Dept. of SBAI, Faculty of Engineering, Rome, Italy;Istituto per le Applicazione del Calcolo "M. Picone", C.N.R., Rome, Italy;Istituto per le Applicazione del Calcolo "M. Picone", C.N.R., Rome, Italy
Venue:
CAIP'11 Proceedings of the 14th international conference on Computer analysis of images and patterns - Volume Part II
Year:
2011

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Abstract

This paper proves that the Jensen-Shannon Divergence (JSD) is a good information theory measure of the visibility cost of a degraded region in a pictorial scene. Hence, it can be combined with Michelson contrast for building a visual rate-distortion curve. The latter allows to optimize parameters of restoration algorithms. Some results on both synthetic and real data show the potential of the proposed approach.