Research Article

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

Table 3

The statistical comparison for PR parameter with the competitors on BSD500.

PR parameter
BSD image no.PrewittSobel CannyFGTED

18908012.0768612.2487715.7202512.77581
4204915.7918515.8361717.5637815.77747
11803511.1847411.322613.315911.496811
1630148.2127618.63846312.1863714.13212
13506915.0839115.4319718.5627518.93553
1890115.6404975.6931517.5256935.812116
1890807.6947447.7150089.9379868.16019