Change Detection and Feature Extraction of Debris-Flow Initiation by Rock-Slope Failure Using Point Cloud Processing

<div>Point clouds of rock block sample generation by photogrammetry. (a) Rock block samples that were taken at the bottom of the Thimble peak. (b) Point cloud data of the rock block samples generated in Pix4D and segmented in CloudCompare software.</div>

Advances in Civil Engineering

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Figure 8

Figure 8: Change Detection and Feature Extraction of Debris-Flow Initiation by Rock-Slope Failure Using Point Cloud Processing 