Table 5.
Mean surface point density of the 3D point clouds of the fracture surface.
| Specimen | Camera | Point Count | Mean Point Density (Point/mm2) | SD |
|---|---|---|---|---|
| Top | Canon EOS 5DS R DSLR | 4,017,779 | 16.14 | 2.14 |
| Raspberry Pi HQ camera | 503,843 | 2.299 | 0.34 | |
| GoPro Hero 8 | 801,591 | 3.24 | 0.87 | |
| Xiaomi 10T Pro | 10,340,587 | 42.26 | 6.24 | |
| iPhone 12 Pro Max | 1,463,411 | 6.15 | 1.26 | |
| Bottom | Canon EOS 5DS R DSLR | 7,186,385 | 28.97 | 4.45 |
| Raspberry Pi HQ camera | 481,749 | 2.16 | 0.32 | |
| GoPro Hero 8 | 734,769 | 2.88 | 0.6 | |
| Xiaomi 10T Pro | 12,558,026 | 51.56 | 8.45 | |
| iPhone 12 Pro Max | 1,674,754 | 6.99 | 1.50 |