TABLE 1. Comparison of the Performance of the Four Methods on CT Images That Included Juxta-Pleural Nodule (). The DSC, MHD, Sensitivity, Specificity, Accuracy, and Juxta-Pleural Nodule Detection Rate Were Evaluated and Compared. Mean, Standard Deviation and Detection Rate are Summarized.

Method		CV	NMCV	Snake	Proposed method
DSC	mean	0.8410	0.8428	0.8198	0.9712
	std	0.0801	0.0782	0.0866	0.0251
MHD	mean	2.1727	2.1486	2.2573	0.4504
	std	1.1679	1.1485	1.1945	0.4433
Sensitivity	mean	0.7366	0.7389	0.7040	0.9711
	std	0.1198	0.1180	0.1243	0.0331
Specificity	mean	0.9854	0.9855	0.9983	0.9637
	std	0.0208	0.0216	0.0042	0.0716
Accuracy	mean	0.8050	0.8072	0.7843	0.9667
	std	0.0972	0.0944	1.005	0.0241
Detection rate(%)		11%	14%	9%	96%