Construction of Three-Dimensional Crack Calculation Method for Transparent Rock-Like Materials Based on Stereo Vision Principle

Figure 18

The 3D crack rebuilding result at frame 800 of the 45-degree precrack sample. (a) 3D point cloud, (b) point cloud processing, (c) point cloud continuous processing, and (d) surface fitting.

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(b)

(c)

(d)