Image Edge Detection by Global Thresholding Using Riemann–Liouville Fractional Integral Operator

Table 6

The statistical comparison for computational time with the competitors on BSD500.

Time (s)
BSD image no.	Prewitt	Sobel	Canny	FGTED
189080	0.0504131	0.0504158	0.05282	0.025675
42049	0.0761943	0.0762464	0.01472	0.008680
118035	0.0741948	0.0742701	0.00896	0.010783
163014	0.0758939	0.075914	0.00804	0.007771
135069	0.0944962	0.094487	0.00784	0.005339
189011	0.0708242	0.0708713	0.00480	0.004217
189080	0.0791261	0.0792347	0.00691	0.007127