TABLE II.
Comparison of Running Times Under Increasing Number of Images P, in Seconds Nr = 100 and Nθ = 72
| P | This Paper | JZL | SVD | Eig. Decomp. |
|---|---|---|---|---|
| 24 | 1.74 | 0.90 | 0.48 | 12.0 |
| 32 | 1.90 | 1.6 | 0.76 | 13.4 |
| 48 | 2.13 | 3.5 | 1.48 | 19.0 |
| 64 | 2.47 | 6.3 | 2.50 | 19.1 |
| 96 | 3.00 | 14.9 | 4.55 | 30.0 |
| 128 | 3.53 | 26.3 | 6.74 | 33.2 |
| 192 | 4.44 | 70.0 | 9.91 | 45.0 |
| 256 | 5.34 | 139 | 13.2 | 43.1 |
| 384 | 7.45 | 378 | 20.3 | 56.1 |
| 512 | 9.25 | 902 | 27.3 | 63.3 |
| 768 | 13.1 | 2796 | 43.7 | 73.0 |
| 1024 | 16.8 | 7926 | 63.1 | 80.2 |
| 1536 | 24.3 | N/A | 93.3 | 79.2 |
| 2048 | 31.8 | N/A | 137 | 96.8 |
| 3022 | 46.0 | N/A | 219 | 97.9 |
| 4096 | 61.9 | N/A | 317 | 122 |
| 6144 | 92.0 | N/A | 529 | 136 |
| 8192 | 122 | N/A | 703 | 151 |
| 12288 | 182 | N/A | 1116 | 160 |
| 16384 | 242 | N/A | 1739 | 197 |