Table 4.
Statistical analysis
Metrics/methods | PSNR | SDME | SSIM | EPI | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Best | Mean | Variance | Best | Mean | Variance | Best | Mean | Variance | Best | Mean | Variance | ||
Lena image | |||||||||||||
Random noise | |||||||||||||
AFSWA | 11.519 | 11.515 | 0.004 | 40.724 | 40.721 | 0.003 | 0.544 | 0.541 | 0.003 | 0.7379 | 0.7375 | 0.0004 | |
MDBU | 19.511 | 19.508 | 0.003 | 30.808 | 30.804 | 0.004 | 0.584 | 0.581 | 0.003 | 0.7482 | 0.7479 | 0.0003 | |
DBAIN | 16.855 | 16.852 | 0.003 | 18.756 | 18.754 | 0.003 | 0.712 | 0.710 | 0.002 | 0.7576 | 0.7573 | 0.0003 | |
BDND | 7.026 | 7.023 | 0.003 | 27.029 | 27.026 | 0.003 | 0.530 | 0.527 | 0.003 | 0.7760 | 0.7757 | 0.0003 | |
Proposed T2FCS + FAL | 12.155 | 12.153 | 0.002 | 41.618 | 41.617 | 0.001 | 0.617 | 0.615 | 0.002 | 0.8358 | 0.8356 | 0.0002 | |
Salt and pepper noise | |||||||||||||
AFSWA | 12.120 | 12.117 | 0.003 | 39.244 | 39.240 | 0.004 | 0.529 | 0.526 | 0.003 | 0.7468 | 0.7464 | 0.0004 | |
MDBU | 18.672 | 18.668 | 0.004 | 45.542 | 45.540 | 0.002 | 0.831 | 0.829 | 0.002 | 0.7683 | 0.7680 | 0.0003 | |
DBAIN | 16.422 | 16.419 | 0.003 | 38.270 | 38.267 | 0.003 | 0.524 | 0.520 | 0.004 | 0.7756 | 0.7753 | 0.0003 | |
BDND | 9.517 | 9.513 | 0.004 | 33.567 | 33.563 | 0.004 | 0.573 | 0.570 | 0.003 | 0.7957 | 0.7953 | 0.0004 | |
Proposed T2FCS + FAL | 10.802 | 10.800 | 0.002 | 27.058 | 27.052 | 0.002 | 0.600 | 0.599 | 0.001 | 0.8438 | 0.8436 | 0.0002 | |
Gaussian noise | |||||||||||||
AFSWA | 11.539 | 11.535 | 0.004 | 41.180 | 41.177 | 0.003 | 0.535 | 0.532 | 0.003 | 0.7356 | 0.7353 | 0.0004 | |
MDBU | 28.140 | 28.138 | 0.002 | 38.549 | 38.545 | 0.004 | 0.832 | 0.830 | 0.002 | 0.7464 | 0.7460 | 0.0003 | |
DBAIN | 9.517 | 9.515 | 0.002 | 33.474 | 33.470 | 0.004 | 0.572 | 0.570 | 0.002 | 0.7565 | 0.7561 | 0.0003 | |
BDND | 14.144 | 14.140 | 0.004 | 16.496 | 16.493 | 0.003 | 0.503 | 0.500 | 0.003 | 0.7759 | 0.7756 | 0.0004 | |
Proposed T2FCS + FAL | 11.066 | 11.065 | 0.001 | 40.678 | 40.676 | 0.002 | 0.460 | 0.459 | 0.001 | 0.8077 | 0.8075 | 0.0002 | |
Uniform noise | |||||||||||||
AFSWA | 14.289 | 14.285 | 0.004 | 21.827 | 21.825 | 0.002 | 0.699 | 0.696 | 0.003 | 0.7646 | 0.7642 | 0.0004 | |
MDBU | 26.487 | 26.485 | 0.002 | 40.432 | 40.430 | 0.002 | 0.757 | 0.755 | 0.002 | 0.7857 | 0.7853 | 0.0004 | |
DBAIN | 29.476 | 29.473 | 0.002 | 41.811 | 41.808 | 0.003 | 0.899 | 0.896 | 0.003 | 0.8058 | 0.8055 | 0.0003 | |
BDND | 21.341 | 21.338 | 0.003 | 59.644 | 59.640 | 0.004 | 0.770 | 0.767 | 0.003 | 0.8245 | 0.8242 | 0.0003 | |
Proposed T2FCS + FAL | 21.520 | 21.518 | 0.002 | 55.511 | 55.510 | 0.001 | 0.874 | 0.872 | 0.002 | 0.9267 | 0.9265 | 0.0002 | |
CT image | |||||||||||||
Random noise | |||||||||||||
AFSWA | 17.642 | 17.640 | 0.002 | 29.784 | 29.780 | 0.004 | 0.463 | 0.460 | 0.003 | 0.6980 | 0.6975 | 0.0005 | |
MDBU | 17.613 | 17.610 | 0.003 | 25.869 | 25.866 | 0.003 | 0.669 | 0.665 | 0.004 | 0.7380 | 0.7376 | 0.0004 | |
DBAIN | 22.267 | 22.263 | 0.004 | 20.212 | 20.209 | 0.003 | 0.712 | 0.709 | 0.003 | 0.7472 | 0.7470 | 0.0002 | |
BDND | 8.307 | 8.303 | 0.004 | 28.153 | 28.150 | 0.003 | 0.482 | 0.479 | 0.003 | 0.7446 | 0.7442 | 0.0004 | |
Proposed T2FCS + FAL | 13.864 | 13.862 | 0.002 | 32.498 | 32.496 | 0.002 | 0.846 | 0.844 | 0.002 | 0.8042 | 0.8040 | 0.0002 | |
Salt and pepper noise | |||||||||||||
AFSWA | 12.549 | 12.545 | 0.004 | 30.482 | 30.480 | 0.002 | 0.602 | 0.599 | 0.003 | 0.6684 | 0.6680 | 0.0004 | |
MDBU | 16.281 | 16.278 | 0.003 | 30.810 | 30.807 | 0.003 | 0.781 | 0.777 | 0.004 | 0.6879 | 0.6875 | 0.0004 | |
DBAIN | 17.095 | 17.090 | 0.005 | 23.849 | 23.845 | 0.004 | 0.598 | 0.593 | 0.005 | 0.6888 | 0.6885 | 0.0003 | |
BDND | 11.503 | 11.500 | 0.003 | 32.257 | 32.254 | 0.003 | 0.666 | 0.662 | 0.004 | 0.7022 | 0.7019 | 0.0003 | |
Proposed T2FCS + FAL | 11.455 | 11.453 | 0.002 | 21.627 | 21.625 | 0.002 | 0.467 | 0.466 | 0.001 | 0.7705 | 0.7703 | 0.0002 | |
Gaussian noise | |||||||||||||
AFSWA | 19.136 | 19.131 | 0.005 | 27.435 | 27.431 | 0.004 | 0.529 | 0.526 | 0.003 | 0.7330 | 0.7326 | 0.0004 | |
MDBU | 11.459 | 11.454 | 0.005 | 28.592 | 28.590 | 0.002 | 0.662 | 0.660 | 0.002 | 0.7660 | 0.7657 | 0.0003 | |
DBAIN | 11.487 | 11.484 | 0.003 | 32.189 | 32.185 | 0.004 | 0.561 | 0.558 | 0.003 | 0.7728 | 0.7724 | 0.0004 | |
BDND | 12.025 | 12.021 | 0.004 | 17.824 | 17.820 | 0.004 | 0.604 | 0.600 | 0.004 | 0.8038 | 0.8034 | 0.0004 | |
Proposed T2FCS + FAL | 12.420 | 12.418 | 0.002 | 26.924 | 26.923 | 0.001 | 0.525 | 0.523 | 0.002 | 0.8624 | 0.8622 | 0.0002 | |
Uniform noise | |||||||||||||
AFSWA | 12.372 | 12.370 | 0.002 | 19.442 | 19.439 | 0.003 | 0.713 | 0.710 | 0.003 | 0.7665 | 0.7660 | 0.0005 | |
MDBU | 23.423 | 23.420 | 0.003 | 36.384 | 36.380 | 0.004 | 0.765 | 0.761 | 0.004 | 0.7898 | 0.7895 | 0.0003 | |
DBAIN | 32.061 | 32.057 | 0.004 | 33.971 | 33.968 | 0.003 | 0.888 | 0.884 | 0.004 | 0.8085 | 0.8080 | 0.0005 | |
BDND | 21.523 | 21.520 | 0.003 | 31.154 | 31.150 | 0.004 | 0.780 | 0.777 | 0.003 | 0.8247 | 0.8244 | 0.0003 | |
Proposed T2FCS + FAL | 24.149 | 24.147 | 0.002 | 32.142 | 32.140 | 0.002 | 0.800 | 0.798 | 0.002 | 0.8655 | 0.8653 | 0.0002 |