Table 1.

Performance parameter results for 200 image detections from the PH2 database.

Method	Sen	Spe	Acc
Otsu (MATLAB 2014a)	0.5221	0.7064	0.6518
SRM [49]	0.6518	08757	0.6766
KPP (MATLAB 2014a)	0.4147	0.9581	0.7815
Level set [50]	0.7188	0.8003	0.7842
K-means (open CV2.4)	0.7291	0.8430	0.8249
JSEG [51]	0.7108	0.9714	0.8947
ASLM	0.8024	0.9722	0.8966
Global optimization algorithm	0.8892	0.9933	0.932