Research Article
The Research on Obtaining the Geometric Dimension of Cable-Stayed Bridges Based on 3D Laser Scanning
Table 2
Point cloud data accuracy comparison.
| | Station names | Point cloud data rotated and translated | Point cloud data measured by GPS | Deviation | | X′ | Y′ | Z′ | X | Y | Z | ΔX | ΔY | ΔZ |
| | X003 | 4490067.935 | 500063.720 | 1091.040 | 4490067.924 | 500063.725 | 1091.033 | 0.011 | −0.005 | 0.007 | | X004 | 4490208.757 | 500074.361 | 1087.731 | 4490208.744 | 500074.376 | 1087.751 | 0.013 | −0.015 | −0.020 | | X007 | 4490090.080 | 499931.988 | 1069.945 | 4490090.094 | 499931.975 | 1069.967 | −0.014 | 0.013 | −0.022 | | X008 | 4490164.696 | 500072.404 | 1082.499 | 4490164.682 | 500072.416 | 1082.490 | 0.014 | −0.012 | 0.009 |
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