Margaret H. Pinson

Abstract: This technical memorandum provides technical details for the image quality subjective experiment its4s2. This experiment contains 1,473 still images that were presented to subjects for 4 seconds each, as per still video. The goals are (1) to train no reference (NR) metrics that track the image quality of consumer grade cameras, (2) to understand spatial characteristics of moving objects that have complex interactions with video codecs, such as water and confetti, and (3) to begin to identify any differences in rating behaviors depending on whether the images are used for entertainment purposes or by public safety practitioners for job related tasks. The dataset is freely available for research and development purposes.

Keywords: video quality; image quality; subjective testing; public safety; camera capture; no reference (NR) metric

Disclaimer: Certain commercial equipment, components, and software may be identified in this report to specify adequately the technical aspects of the reported results. In no case does such identification imply recommendation or endorsement by the National Telecommunications and Information Administration, nor does it imply that the equipment or software identified is necessarily the best available for the particular application or uses.

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