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Table 4 Pearson correlation coefficient of the NR image quality metric Obtained by global optimization (TID2008 database)

From: No-reference image quality metric based on image classification

  Combined Images
(JPEG/JPEG2000/Gaussian Blurred)
NR metric using the proposed blocking and blur metrics 0.819
NR metric using Jeong's blocking and blur metrics [15] 0.735
NR metric using [6, 10] 0.689
NR metric using [6, 11] 0.714
NR metric using [3, 10] 0.740
NR metric using [3, 11] 0.738