A psychovisual experiment on the use of Gibbs potential for the quality assessment of geometrically distorted images

Angela D'Angelo; Mirco Pacitto; Mauro Barni

doi:10.1117/12.765879

14 February 2008 A psychovisual experiment on the use of Gibbs potential for the quality assessment of geometrically distorted images

Angela D'Angelo, Mirco Pacitto, Mauro Barni

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Proceedings Volume 6806, Human Vision and Electronic Imaging XIII; 680616 (2008) https://doi.org/10.1117/12.765879
Event: Electronic Imaging, 2008, San Jose, California, United States

Abstract

Human perception of image distortions has been widely explored in recent years, however, research has not dealt with distortions due to geometric operations. As a consequence, there is a lack of objective visual quality measures for this class of distortions. In this paper we propose a method of objectively assessing the perceptual quality of geometrically distorted images. Our approach is based on the theory of Markov Random Fields. The idea is that the potential function of the Markov Random Field describing the distortion gives an indication of the degradation of the distorted image. This work can be seen as the first step toward the definition of an objective metric for geometric distortions in images.

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Angela D'Angelo, Mirco Pacitto, and Mauro Barni "A psychovisual experiment on the use of Gibbs potential for the quality assessment of geometrically distorted images", Proc. SPIE 6806, Human Vision and Electronic Imaging XIII, 680616 (14 February 2008); https://doi.org/10.1117/12.765879

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