Research Article
A No-Reference Sharpness Metric Based on Structured Ringing for JPEG2000 Images
Table 2
Evaluation of the proposed metric for the TID2008 database.
| ā | SPCC | PCC | RMSE | MAE | OR |
| CPBD metric [17] | 0.9286 | 0.9262 | 0.7509 | 0.5777 | 4 | JNBM metric [15] | 0.8258 | 0.831 | 1.108 | 0.8346 | 5 | LKM [13] | 0.6895 | 0.7368 | 1.3466 | 0.9820 | 5 | LPC [8] | 0.7660 | 0.8096 | 1.1691 | 0.9115 | 4 | Marziliano [6] | 0.8784 | 0.8745 | 0.9661 | 0.7037 | 7 | Laplacian [37] | 0.8572 | 0.8604 | 1.0151 | 0.8238 | 3 | Marichal [38] | 0.8908 | 0.8927 | 0.8975 | 0.7323 | 3 | Shaked-Tastl [39] | 0.8223 | 0.8001 | 1.1948 | 0.9180 | 4 | BLIINDS-II [18] | 0.8768 | 0.9024 | 0.8582 | 0.6467 | 6 | Liu metric [25] | 0.5801 | 0.7031 | 1.4162 | 1.1169 | 4 | Barland metric [24] | 0.7078 | 0.6293 | 1.5563 | 1.1198 | 0 | PSNR | 0.7936 | 0.8176 | 1.1466 | 0.9472 | 1 | Proposed metric | 0.9160 | 0.9147 | 0.8053 | 0.6116 | 5 |
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