Zeina Sinno, Anush K. Moorthy, J. D. Cock, Zhi Li, A. Bovik
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Quality Assessment of Thumbnail and Billboard Images on Mobile Devices
Objective image quality assessment (IQA) research entails developing algorithms that predict human judgments of picture quality. Validating performance entails evaluating algorithms under conditions similar to where they are deployed. Hence, creating image quality databases representative of target use cases is an important endeavor. Here we present a database that relates to quality assessment of billboard images commonly displayed on mobile devices. Billboard images are a subset of thumbnail images, that extend across a display screen, representing things like album covers, banners, or frames or artwork. We conducted a subjective study of the quality of billboard images distorted by processes like compression, scaling and chroma-subsampling, and compared high-performance quality prediction models on the images and subjective data.