From: No-reference image quality metric based on image classification
Threshold | -0.8 | -0.7 | -0.6 | -0.5 | -0.4 | -0.3 | -0.2 | -0.1 | 0 | 0.1 | 0.2 | 0.3 | 0.4 | 0.5 | 0.6 | 0.7 | 0.8 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
NR metric using the proposed blocking and blur metrics | 0.301 | 0.341 | 0.421 | 0.498 | 0.673 | 0.742 | 0.793 | 0.840 | 0.855 | 0.852 | 0.853 | 0.851 | 0.854 | 0.855 | 0.846 | 0.838 | 0.826 |
NR metric using Jeong's blocking and blur metrics [15] | 0.301 | 0.336 | 0.406 | 0.470 | 0.624 | 0.681 | 0.723 | 0.769 | 0.801 | 0.801 | 0.818 | 0.834 | 0.843 | 0.846 | 0.839 | 0.833 | 0.824 |
0.364 | 0.410 | 0.485 | 0.549 | 0.668 | 0.708 | 0.740 | 0.767 | 0.763 | 0.744 | 0.744 | 0.742 | 0.744 | 0.745 | 0.739 | 0.735 | 0.730 | |
0.351 | 0.412 | 0.487 | 0.554 | 0.708 | 0.752 | 0.790 | 0.827 | 0.829 | 0.824 | 0.802 | 0.776 | 0.778 | 0.779 | 0.772 | 0.767 | 0.757 | |
0.517 | 0.548 | 0.600 | 0.646 | 0.737 | 0.760 | 0.766 | 0.758 | 0.758 | 0.741 | 0.738 | 0.739 | 0.742 | 0.743 | 0.737 | 0.735 | 0.729 | |
0.508 | 0.550 | 0.602 | 0.651 | 0.774 | 0.801 | 0.815 | 0.818 | 0.825 | 0.821 | 0.797 | 0.773 | 0.776 | 0.778 | 0.771 | 0.767 | 0.756 |