Table 2 Comparison of errors in different volume estimation methods.
From: Estimate the volume of residual frozen coal in railway carriage using a rotating LiDAR
Groups | 360-degree scanning algorithm | Alpha algorithm | Proposed fusion algorithm | ||||||
|---|---|---|---|---|---|---|---|---|---|
Volume (m3) | Absolute error (%) | Relative error (%) | Volume (m3) | Absolute error (%) | Relative error (%) | Volume (m3) | Absolute error (%) | Relative error (%) | |
5bags | 0.452 | 0.052 | 13.000 | 0.433 | 0.033 | 8.250 | 0.426 | 0.026 | 6.500 |
10 bags | 0.887 | 0.087 | 10.875 | 0.862 | 0.062 | 7.750 | 0.849 | 0.049 | 6.125 |
15 bags | 1.325 | 0.125 | 10.417 | 1.297 | 0.097 | 8.083 | 1.267 | 0.067 | 5.583 |
20 bags | 1.741 | 0.141 | 8.813 | 1.734 | 0.134 | 8.375 | 1.681 | 0.081 | 5.062 |
25 bags | 2.219 | 0.219 | 10.950 | 2.149 | 0.149 | 7.450 | 2.103 | 0.103 | 5.150 |
