Research Article

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

Figure 2

Experimental results using popular edge detectors and FGTED, where (a) ground truth images, (b) detected edges by the Prewitt edge detector, (c) detected edges by the Sobel edge detector, (d) detected edges by the Canny edge detector, (e) detected edges by FGTED.