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Towards the Perceptual Quality Evaluation of Compressed Light Field Images

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Author list: Olsson, Roger;Sjöström, Mårten

Publisher: IEEE

Publication year: 2017

ISSN: 0018-9316

DOI: http://dx.doi.org/10.1109/TBC.2017.2704430


Abstract

Evaluation of perceived quality of light field images,as well as testing new processing tools, or even assessing theeffectiveness of objective quality metrics, relies on the availabilityof test dataset and corresponding quality ratings. This articlepresents SMART light field image quality dataset. The datasetconsists of source images (raw data without optical corrections),compressed images, and annotated subjective quality scores.Furthermore, analysis of perceptual effects of compression onSMART dataset is presented. Next, the impact of image contenton the perceived quality is studied with the help of image qualityattributes. Finally, the performances of 2D image quality metricswhen applied to light field images are analyzed.


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