Research Article
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 |
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