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- W2277181824 abstract "Despite its relative robustness, subjective video quality evaluation is a time-consuming and costly process. Alternatives are required therefore to simplify visual quality estimation, particularly in the case of new video formats. This paper presents an analysis of full reference quality metrics focused on Ultra High Definition sequences, encoded with H.265/High Efficiency Video Coding. After evaluating the individual performance of three objective video quality metrics - structural similarity, gradient difference, and motion distortion - an optimal combination is defined, to be weighted by three perceptibility criteria, considering luminance, motion, and texture masks, in uniform and selective perception contexts. Performances at each step are compared by correlation, to subjective scores of each sequence given by Subjective Assessment Methodology of Video Quality session. A close correlation to subjective quality measurements is measured applying three indicators." @default.
- W2277181824 created "2016-06-24" @default.
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- W2277181824 date "2015-02-05" @default.
- W2277181824 modified "2023-09-26" @default.
- W2277181824 title "Full Reference Video Quality Model for UHD HEVC Encoded Sequences" @default.
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- W2277181824 hasPublicationYear "2015" @default.
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