A Novel Technique for Prealignment in Multimodality Medical Image Registration

Table 4

Comparison of the iteration time of optimization with and without the proposed method.

	Iteration times of optimization without the proposed method	Iteration times of optimization with the proposed method	Consumed time of the proposed method (second)
Case  1	46 times (15.69 seconds)	23 times (8.08 seconds)	0.504 seconds
Case  2	109 times (36.54 seconds)	26 times (8.31 seconds)	0.522 seconds
Case  3	226 times (75.56 seconds)	25 times (8.64 seconds)	0.566 seconds
Case  4	44 times (15.17 seconds)	24 times (8.23 seconds)	0.506 seconds