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

Table 2

The statistical comparison for F-measure with the competitors on BSD500.

F-measure
BSD image no.	Prewitt	Sobel	Canny	FGTED
189080	0.008162	0.006528	0.005235	0.0069
42049	0.007377	0.004583	0.002448	0.004921
118035	0.00751	0.011472	0.011971	0.011988
163014	0.017671	0.007557	0.008561	0.008767
135069	0.013496	0.002132	0.002489	0.002131
189011	0.006133	0.00362	0.003774	0.003615
189080	0.007898	0.003522	0.001376	0.003809