Wei Zhou, Xinyu Du, Xiantang Xue, Ding Li, Qiang Fu, Yi Zhang, Qiang Wang, Fadeng Wang, Shengwei Ren. Stereo Vision-Based Measurement System for Geometric Parameters of High-Speed Railway Catenary[J]. Acta Optica Sinica, 2023, 43(5): 0512001
- Acta Optica Sinica
- Vol. 43, Issue 5, 0512001 (2023)
Fig. 1. Measurement principle of overhead wire geometry parameters based on multi-view stereo vision
Fig. 2. Vehicle vibration compensation model
Fig. 3. Principle of synchronized stroboscopic lighting technology
Fig. 4. Measurement system of overhead wire geometry parameters using blue LED stroboscopic lighting technology
Fig. 5. Catenary image illuminated by gas discharge lamp light source (a sunny day in summer)
Fig. 6. Catenary image illuminated by blue LED stroboscopic lighting lamps (a sunny day in summer)
Fig. 7. Matching method of multi-view stereo vision
Fig. 8. Calibration tool for line-scan cameras
Fig. 9. Catenary inspection vehicle for high-speed railway
Fig. 10. Grayscale gradient curve of catenary image
|
Table 1. Calibration results of line-scan camera parameters
|
Table 2. Measurement results of stereo vision measurement module of catenary geometry parameters and vehicle vibration compensation module
|
Table 3. Comparison between dynamic test results and ground measurement results
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20