Research Article
Research on Coal-Rock Fracture Image Edge Detection Based on Tikhonov Regularization and Fractional Order Differential Operator
Table 7
The quality factor of integer order and fractional order methods.
| Evaluation metrics | The first-order Sobel operator () | The fractional order Sobel operator () | The second-order Laplacian operator () | The fractional order Laplacian operator () |
| The quality factor | 0.59 | 0.99 | 0.62 | 0.98 |
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