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 ODFBall-stickModified Powell
QBI/CSA-QBI/DOT
Diffusion decomposition
QBI/CSA-QBI/DOT
PSO-Powell
QBI/CSA-QBI/DOT

Noise-free1.12 s82.15 s/78.03 s/84.09 s77.63 s/68.27 s/70.05 s40.17 s/44.79 s/41.45 s
1.16 s85.06 s/78.65 s/87.27 s75.91 s/69.09 s/70.31 s43.93 s/49.48 s/44.39 s