Research Article
Research on Coal-Rock Fracture Image Edge Detection Based on Tikhonov Regularization and Fractional Order Differential Operator
Figure 10
The comparison of different edge detection methods. (a) Canny method. (b) B-spline wavelet transform. (c) Multidirection fuzzy morphological method. (d) Present method.
(a) |
(b) |
(c) |
(d) |