Research Article
Prefabricated Concrete Component Geometry Deviation Statistical Analysis
Table 2
Specification of 3D photogrammetric HL-3DP.
| | HL-3DP 3D photogrammetric instrument | |
| | Range measurement principle scanner control | Measurement of noncontact optical tricoordinate | | Range | Up to 20 m (minimum range 0.01 m) | | Field of view | 360°horizontal, 360°vertical | | Signal image | 1.8 MB, 4Mpixels (1920 × 1920 pixel) | | Ranging error | ±0.01 mm |
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