Zhai Liang, Wang Tao, Bai Manshe, Zuo Yijuan, Su Yu, Liu Xin, Chen Jing, Zhu Liangjian. Real-Time Loss Measurement of Reflecting Mirrors Applied in Plasma Environment[J]. Acta Optica Sinica, 2017, 37(7): 712001
- Acta Optica Sinica
- Vol. 37, Issue 7, 712001 (2017)
Fig. 1. Dot structural light measurement model
Fig. 2. Dot structural light calibration model
Fig. 3. Diagram of 2D vision measurement method with immediate plane calibration
Fig. 4. (a) Lens distortion model in imaging processing; (b) diagram of distortion distribution
Fig. 5. Sub-pixel light spot center distribution image using Gaussian fitting
Fig. 6. (a-c) Images of laser points from three directions and (d-f) of sub-pixel light spot center distribution
Fig. 7. Devise used for measurement experiment
Fig. 8. Specimen images captured in the experiment processing
Fig. 9. Displacement-time curves measured by different methods
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Table 1. Calibration results of measurement system
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Table 2. Average relative displacement of four feature points obtained by different methods
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