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In this paper, we propose a new procedure to estimate the shape of the opening and the depth profile of an arbitrary three-dimensional (3-D) defect from magnetic flux leakage (MFL) measurements. We first use the Canny edge detection algorithm to estimate the shape of the defect opening. Then we use an inversion procedure based on the space mapping (SM) methodology in order to approximate the defect...
In this paper, we propose a new procedure to estimate the shape of the opening and the depth profile of an arbitrary three-dimentional (3-D) defect from magnetic flux leakage (MFL) measurements. We first use the Canny edge detection algorithm to estimate the shape of the depect opening. Then we use an inversion procedure based on the spave mapping (SM) methodology in order to approximate the defect...
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