Table 1.

Comparison of detection performance

Method	Accuracy	Precision	Recall	F-measure
Ours	0.970	0.988	0.982	0.985
Graph cuts	0.861	0.983	0.875	0.926
Template matching	0.937	0.961	0.974	0.967
Watershed	0.929	0.994	0.933	0.963
VBGMM	0.928	0.987	0.934	0.960