Adapting the ISO 20462 softcopy ruler method for online image quality studies

Peter D. Burns; Jonathan B. Phillips; Don Williams

doi:10.1117/12.2007480

4 February 2013 Adapting the ISO 20462 softcopy ruler method for online image quality studies

Peter D. Burns, Jonathan B. Phillips, Don Williams

Proceedings Volume 8653, Image Quality and System Performance X; 86530E (2013) https://doi.org/10.1117/12.2007480
Event: IS&T/SPIE Electronic Imaging, 2013, Burlingame, California, United States

Abstract

In this paper we address the problem of Image Quality Assessment of no reference metrics, focusing on JPEG corrupted images. In general no reference metrics are not able to measure with the same performance the distortions within their possible range and with respect to different image contents. The crosstalk between content and distortion signals influences the human perception. We here propose two strategies to improve the correlation between subjective and objective quality data. The first strategy is based on grouping the images according to their spatial complexity. The second one is based on a frequency analysis. Both the strategies are tested on two databases available in the literature. The results show an improvement in the correlations between no reference metrics and psycho-visual data, evaluated in terms of the Pearson Correlation Coefficient.

Citation Download Citation

Peter D. Burns, Jonathan B. Phillips, and Don Williams "Adapting the ISO 20462 softcopy ruler method for online image quality studies", Proc. SPIE 8653, Image Quality and System Performance X, 86530E (4 February 2013); https://doi.org/10.1117/12.2007480

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