Economic and Environmental Geology

Fig. 2.

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Fig. 2. Comparison of image features automatically extracted from the stacked GPR time slice. (a) Original GPR time slice image, (b) Result from Canny edge detection. (c) Result from Hough transform for line detection, and (d) Result from Hough transform for circle detection.
Econ. Environ. Geol. 2022;55:551-61 https://doi.org/10.9719/EEG.2022.55.5.551
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