Video quality assessment using visual attention computational models

Welington Y. Akamine; Mylène C. Farias

doi:10.1117/1.JEI.23.6.061107

5 September 2014 Video quality assessment using visual attention computational models

Welington Y. Akamine, Mylène C. Farias

Author Affiliations +

Journal of Electronic Imaging, Vol. 23, Issue 6, 061107 (September 2014). https://doi.org/10.1117/1.JEI.23.6.061107

Abstract

A recent development in the area of image and video quality consists of trying to incorporate aspects of visual attention in the design of visual quality metrics, mostly using the assumption that visual distortions appearing in less salient areas might be less visible and, therefore, less annoying. This research area is still in its infancy and results obtained by different groups are not yet conclusive. Among the works that have reported some improvements, most use subjective saliency maps, i.e., saliency maps generated from eye-tracking data obtained experimentally. Other works address the image quality problem, not focusing on how to incorporate visual attention into video signals. We investigate the benefits of incorporating bottom-up video saliency maps (obtained using Itti’s computational model) into video quality metrics. In particular, we compare the performance of four full-reference video quality metrics with their modified versions, which had saliency maps incorporated into the algorithm. Results show that the addition of video saliency maps improve the performance of most quality metrics tested, but the highest gains were obtained for the metrics that only took into consideration spatial degradations.

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Welington Y. Akamine and Mylène C. Farias "Video quality assessment using visual attention computational models," Journal of Electronic Imaging 23(6), 061107 (5 September 2014). https://doi.org/10.1117/1.JEI.23.6.061107

Published: 5 September 2014

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