Table 3.

Mean and standard deviation of Dice ratio (in %) for the segmentations obtained by five feature representation methods.

Method	CSF	GM	WM
Intensity	88.76 ± 2.41	89.46 ± 2.12	95.49 ± 1.96
PCA	89.31 ± 1.89	90.87 ± 2.34	95.20 ± 2.01
HOG	86.77 ± 2.67	87.21 ± 2.86	94.92 ± 1.89
AE	88.32 ± 2.37	90.26 ± 2.36	95.60 ± 1.83
Proposed SAE	90.69 ± 2.14	91.24 ± 2.01	96.12 ± 1.23