Hongnan Zhao, Wensong Jiang, Li Yang, Zai Luo, Hongyang Li. Correction method for edge deviation of line laser sensor[J]. Infrared and Laser Engineering, 2022, 51(4): 20210317
- Infrared and Laser Engineering
- Vol. 51, Issue 4, 20210317 (2022)
Fig. 1. Schematic diagram of line laser sensor
Fig. 2. (a) Line laser contour scanning；(b) Edge enlargement
Fig. 3. Image processing error
Fig. 4. (a) Vertical side noise；(b) Edge enlargement
Fig. 5. Filtering process of vertical side noise
Fig. 6. Illustration of interpolation compensation
Fig. 7. (a) Experiment platform; (b) Scanned object
Fig. 8. (a) Noise removal effect；(b) Edge enlargement
Fig. 9. Design of dimensional measurement scheme
Fig. 10. (a) First sampling; (b) M th sample
Fig. 11. (a) Dimension measurement of 20 mm gauge block; (b) Dimen-sion measurement of 40 mm gauge block; (c) Dimension measurement of 60 mm gauge block
Fig. 12. Dimension measurement error before and after compensation
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Table 1. Parameters of equipment
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Table 2. Dimension measurement results before and after error compensation (Unit: mm)
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