Journal of Electrical and Computer Engineering / 2019 / Article / Tab 5

Research Article

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

Table 5

Localization errors of integer order and fractional order methods.

Evaluation metricsThe first-order Sobel operator ()The fractional order Sobel operator ()The second-order Laplacian operator ()The fractional order Laplacian operator ()

Missed detection rate0.36770.30010.51360.3991
False detection rate0.65410.60090.52280.4399