Abstract
It is shown that single stimulus continuous quality evaluation (SSCQE) measurements can be calibrated against a standard reference, even though they relate to long video sequences of up to 25 min duration. This can be accomplished by projecting chosen percentiles in the histogram of continuous quality judgements onto the SSCQE graph, so identifying appropriate representative sections for use in DSCQS tests. Three different algorithms were tested for detailed selection of the 10 s sections, with a modal quality criterion giving the best results. Calibration using both linear and non-linear mapping between SSCQE and MDS scores has been satisfactorily accomplished.
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