Xieliu Yang, Chenyu Yin, Suping Fang, Shiming Liu. Three-Dimensional Measurement of Large-Scale Objects Using Photogrammetry Based on Total Station[J]. Laser & Optoelectronics Progress, 2020, 57(10): 101505
- Laser & Optoelectronics Progress
- Vol. 57, Issue 10, 101505 (2020)
Fig. 1. Coordinate systems of measurement system. (a) Camera coordinate system and telescope coordinate system; (b) relationship between camera coordinate system, telescope coordinate system, and total station coordinate system
Fig. 2. Schematic of thick lens imaging
Fig. 3. Measurement of object image distance Lw
Fig. 4. Calibration of single station parameters outside main distance
Fig. 5. Three-dimensional shape measurement process of proposed method
Fig. 6. Control field
Fig. 7. Image of calibration board
Fig. 8. Reconstruction results. (a) Front; (b) left; (c) right
Fig. 9. Coding targets used for accuracy check on the measured object
Fig. 10. Length reconstruction error. (a) Absolute error in length; (b) relative error in length
Fig. 11. Angle reconstruction error
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Table 1. Parameters to be determined in the combined measurement system
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Table 2. Calibration results of single station parameters
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Table 3. Calibration results of parameters between stations
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