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Volume: 32 | Article ID: art00016
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An expandable image database for evaluation of full-reference image visual quality metrics
  DOI :  10.2352/ISSN.2470-1173.2020.10.IPAS-137  Published OnlineJanuary 2020
Abstract

Traditional approach to collect mean opinion score (MOS) values for evaluation of full-reference image quality metrics has two serious drawbacks. The first drawback is a nonlinearity of MOS, only partially compensated by the use of rank order correlation coefficients in a further analysis. The second drawback are limitations on number of distortion types and distortion levels in image database imposed by a maximum allowed time to carry out an experiment. One of the largest of databases used for this purpose, TID2013, has almost reached these limitations, which makes an extension of TID2013 within the boundaries of this approach to be practically unfeasible. In this paper, a novel methodology to collect MOS values, with a possibility to infinitely increase a size of a database by adding new types of distortions, is proposed. For the proposed methodology, MOS values are collected for pairs of distortions, one of them being a signal dependent Gaussian noise. A technique of effective linearization and normalization of MOS is described. Extensive experiments for linearization of MOS values to extend TID2013 database are carried out.

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Mykola Ponomarenko, Oleg Ieremeiev, Vladimir Lukin, Karen Egiazarian, "An expandable image database for evaluation of full-reference image visual quality metricsin Proc. IS&T Int’l. Symp. on Electronic Imaging: Image Processing: Algorithms and Systems XVIII,  2020,  pp 137-1 - 137-6,  https://doi.org/10.2352/ISSN.2470-1173.2020.10.IPAS-137

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