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

Table 2

The comparison of the different detection methods.

Image	Detection method	CEN	TEN
Barbara	Canny	9896	8713	0.8805
	Our method	16113	14984	0.9299
	Sobel	8646	7163	0.82848
	Wavelet	7556	6388	0.8454
	CNN	12703	10793	0.8496
	NSCT	21822	19790	0.9069
Lenna	Canny	7935	7184	0.9041
	Our method	8462	7924	0.9364
	Sobel	6731	5831	0.86629
	Wavelet	5470	4822	0.8815
	CNN	4544	3627	0.7982
	NSCT	23823	22043	0.9253
Boat	Canny	32011	29030	0.9069
	Our method	56781	54791	0.965
	Sobel	34536	30172	0.87364
	Wavelet	25920	23479	0.9058
	CNN	18805	13647	0.7257
	NSCT	80251	73809	0.9197