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Contrast Sensitivity (CS), Luminance Adaptation (LA) and Contrast Masking (CM) are important contributing factors for Just Noticeable Difference (JND) in images. Most of the existing pixel domain JND algorithms are based only on LA and CM. Research shows that the human vision depends significantly on CS, and an underlying assumption in the existing algorithms is that CS cannot be estimated in the...
We in this paper investigate how to blindly predict the visual quality of a screen content image (SCI). With the popularity of multi-client and remote-controlling systems, SCIs and the relevant applications have been a hot research topic. In general, SCIs contain texts or graphics in cartoons, ebooks or captures of computer screens. As for blind quality assessment (QA) of natural scene images (NSIs),...
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