Automated lesion detection on MRI scans using combined unsupervised and supervised methods

BMC Medical Imaging

Table 1 Directly taking the initial LPM, i.e., up to Section “Step 2): Initial estimation of LPM” of the proposed method, for performance evaluation, under different α and λ

α	λ	Accuracy	Precision	Recall	Dice
0.2	1	0.953±0.012	0.321±0.195	0.784±0.165	0.430±0.166
	3	0.959±0.012	0.392±0.198	0.726±0.164	0.478±0.168
	5	0.961±0.011	0.427±0.199	0.694±0.156	0.497±0.165
	7	0.963±0.011	0.446±0.199	0.673±0.158	0.508±0.164
0.4	1	0.965±0.011	0.502±0.199	0.639±0.154	0.532±0.170
	3	0.968±0.012	0.552±0.198	0.582±0.153	0.547±0.169
	5	0.964±0.012	0.555±0.196	0.589±0.151	0.548±0.168
	7	0.940±0.011	0.553±0.201	0.601±0.151	0.547±0.168
0.6	1	0.967±0.012	0.547±0.198	0.596±0.155	0.545±0.170
	3	0.954±0.012	0.553±0.200	0.591±0.154	0.547±0.174
	5	0.940±0.011	0.559±0.203	0.592±0.159	0.546±0.169
	7	0.941±0.011	0.572±0.203	0.574±0.158	0.541±0.165
0.8	1	0.967±0.011	0.549±0.207	0.593±0.154	0.546±0.169
	3	0.940±0.011	0.559±0.204	0.596±0.155	0.546±0.173
	5	0.941±0.011	0.584±0.201	0.557±0.151	0.543±0.172
	7	0.941±0.012	0.623±0.198	0.500±0.151	0.503±0.168

ISSN: 1471-2342