Segmentation of Hyperacute Cerebral Infarcts Based on Sparse Representation of Diffusion Weighted Imaging

Table 1

Dice coefficients with different combinations of and .

0.1	0.3	0.5	0.7	0.9
0.1	0.737 ± 0.129	0.755 ± 0.117	0.754 ± 0.119	0.745 ± 0.125	0.716 ± 0.133
0.3	0.744 ± 0.126	0.735 ± 0.127	0.728 ± 0.135	0.733 ± 0.134	0.738 ± 0.125
0.5	0.724 ± 0.132	0.705 ± 0.144	0.711 ± 0.142	0.722 ± 0.137	0.738 ± 0.128
0.7	0.689 ± 0.148	0.684 ± 0.154	0.694 ± 0.147	0.713 ± 0.137	0.736 ± 0.128
0.9	0.660 ± 0.163	0.658 ± 0.163	0.673 ± 0.154	0.704 ± 0.140	0.731 ± 0.130