Research Article

A New Particle Swarm Optimization-Based Method for Phase Unwrapping of MRI Data

Table 2

Comparing dPSO with other algorithms for the displacement encoded MRI heart phase map in Figure 4(a) in terms of weighted measure, average difference, total cuts length, and execution time.

Algorithm Weighted measure Average difference (radian) Total cuts length Execution time (s)

dPSO 0.052223 0.056251 310 142
Goldstein’s 0.109667 0.294767 468 8
MCM 0.052490 0.076967 317 203