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Table 5 The comparative subjective quality evaluation results

From: A novel texture-based asymmetric visibility threshold model for stereoscopic video coding

Number of observers Comparison clips for each observer Total number of scoring trials Comparison scale Number of scoring trials Proportion Statistical mean 95% confidence interval for statistical mean (α = 0.05)
50 90 4500 0 4478 99.51% 0.005 [0.0030, 0.0070]
1 22 0.49%