Table 6.
Summary of image quality metrics (MSE, PSNR, and SSIM) calculated using MATLAB.
| SF | Distance (km) | MSE | PSNR (dB) | SSIM |
|---|---|---|---|---|
| 7 | 1 | 0 | INF | 1 |
| 7 | 2 | 0 | INF | 1 |
| 7 | 3 | 0 | INF | 1 |
| 7 | 4 | 98.7301 | 28.1863 | 0.9321 |
| 8 | 4 | 9.4572 | 38.3732 | 0.9953 |
| 9 | 4 | 8.9987 | 38.5890 | 0.9968 |
| 10 | 4 | 0 | INF | 1 |
| 11 | 4 | 0 | INF | 1 |
| 11 | 5 | 189.3394 | 25.3584 | 0.9437 |
| 12 | 4 | 0 | INF | 1 |
| 12 | 5 | 62.4792 | 30.1734 | 0.9625 |
| 12 | 6 | 234.5309 | 24.4288 | 0.9528 |
INF refers to infinity. We obtained this when the value of a divisor was small, such that the result of the subsequent MATLAB calculation was numerically undefined.