Research Article
A PSO-Powell Hybrid Method to Extract Fiber Orientations from ODF
Table 2
Convergence time of extracting fiber orientation from one-fiber ODF.
| One-fiber ODF | Ball-stick | Modified Powell QBI/CSA-QBI/DOT | Diffusion decomposition QBI/CSA-QBI/DOT | PSO-Powell QBI/CSA-QBI/DOT |
| Noise-free | 1.12 s | 82.15 s/78.03 s/84.09 s | 77.63 s/68.27 s/70.05 s | 40.17 s/44.79 s/41.45 s | | 1.16 s | 85.06 s/78.65 s/87.27 s | 75.91 s/69.09 s/70.31 s | 43.93 s/49.48 s/44.39 s |
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