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

Table 9

Execution time and memory footprint under different edge detection methods.

Evaluation metrics	Canny	B-spline wavelet transform	Multidirection fuzzy morphological	Present
Execution time (s)	0.2133	0.1906	0.1577	0.1288
Memory footprint (MB)	40.65	38.33	32.14	29.76