Image Edge Detection Based on Gaussian Mixture Model in Nonsubsampled Contourlet Domain

Table 1

The FOM calculations with different methods.

Figure 4	The proposed method	The method based on CNN	Canny operator	Sobel operator	NSCT	Wavelet method
FOM	0.9631	0.8934	0.8256	0.7937	0.6432	0.7231