Robust Adaptive Principal Component Analysis Based on Intergraph Matrix for Medical Image Registration

Table 1

Comparison of the computation time of Figures 1 and 3.

Figure and computation time	Caelli’s and our method (seconds)
Figure 1		(a) and (d)	(b) and (e)	(c) and (f)
		0.5608/0.3639	0.6268/0.3834	0.7122/0.4057
Figure 3	(a) and (e)	(b) and (f)	(c) and (g)	(d) and (h)
	0.5071/0.2931	0.8037/0.3573	0.4036/0.3030	0.5259/0.3670