Research on Coal-Rock Fracture Image Edge Detection Based on Tikhonov Regularization and Fractional Order Differential Operator

<table class="table-group" id="tab10"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Evaluation metrics</td><td class="align_center">Canny</td><td class="align_center">B-spline wavelet transform</td><td class="align_center">Multidirection fuzzy morphological</td><td class="align_center">Present</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">The quality factor</td><td class="align_center">0.67</td><td class="align_center">0.79</td><td class="align_center">0.90</td><td class="align_center">0.99</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The quality factor under different edge detection methods.</div>

Journal of Electrical and Computer Engineering

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Table 10

Table 10: Research on Coal-Rock Fracture Image Edge Detection Based on Tikhonov Regularization and Fractional Order Differential Operator 