TABLE II.

The mean and standard deviation of Dice ratios of the hippocampus on ten intra-subjects, when registering the 2-week-old, 3-, 6-, and 9-month-old images to the 12-month-old image via different methods. The best Dice ratio for each column is shown in bold.

Method	2-week to 12-month	3-month to 12-month	6-month to 12-month	9-month to 12-month
CC-based	0.579 ± 0.066	0.585 ± 0.065	0.681 ± 0.064	0.748 ± 0.045
MI-based	0.581 ± 0.072	0.593 ± 0.070	0.676 ± 0.061	0.751 ± 0.053
3D-HAMMER	0.601 ± 0.061	0.613 ± 0.062	0.683 ± 0.065	0.736 ± 0.051
SR-based	0.614 ± 0.063	0.635 ± 0.055	0.702 ± 0.059	0.762 ± 0.049
Our proposed method	0.615 ± 0.024	0.638 ± 0.047	0.702 ± 0.071	0.766 ± 0.052