A Novel Image Edge Detection Method Based on the Asymmetric STDP Mechanism of the Visual Path

Table 1

The AUC value of the edge image under various experimental algorithms.

Image	Method
	Sobel	Roberts	Prewitt	Canny	Log	PCNN	Gabor	Proposed
Lena	0.6232	0.6320	0.5735	0.6256	0.6093	0.6393	0.6683	0.8863
Cameraman	0.6033	0.6227	0.5842	0.6084	0.6320	0.5030	0.5993	0.8049
Mandril	0.5534	0.5546	0.5432	0.5513	0.5615	0.5133	0.5406	0.7519
Peppers	0.5802	0.6019	0.5678	0.5860	0.6140	0.6011	0.6076	0.7949
FPS	28	21	19	14	16	1/4	1	2