Research Article
Image Edge Detection by Global Thresholding Using Riemann–Liouville Fractional Integral Operator
Table 4
The statistical comparison for SNR parameter with the competitors on BSD500.
| SNR (dB) | BSD image no. | Prewitt | Sobel | Canny | FGTED |
| 189080 | −43.0911 | −43.4553 | −42.8961 | −43.3736 | 42049 | −44.5938 | −46.1048 | −45.3154 | −46.0563 | 118035 | −43.2846 | −43.0518 | −42.3015 | −43.0003 | 163014 | −40.2579 | −44.2129 | −43.3452 | −43.9134 | 135069 | −42.2813 | −46.5587 | −45.5488 | −46.4761 | 189011 | −42.0332 | −44.6548 | −44.3711 | −44.564 | 189080 | −40.7244 | −45.5497 | −45.1886 | −45.4726 |
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