Chao Bi, Xue Hao, Mengchen Liu, Jianguo Fang. Study on calibration method of rotary axis based on vision measurement[J]. Infrared and Laser Engineering, 2020, 49(4): 0413004
- Infrared and Laser Engineering
- Vol. 49, Issue 4, 0413004 (2020)
Fig. 1. Composition diagram of the four-axis vision coordinate measuring system
Fig. 2. Specially designed cuboid block
Fig. 3. Cuboid block after orientation adjustment
Fig. 4. Image acquisition of the left edge of cuboid block
Fig. 5. Image acquisition of the right edge of cuboid block
Fig. 6. Calculation principle of X 0 and Y 0
Fig. 7. Calculation principle of Z 0
Fig. 8. Four-axis vision coordinate measuring system
Fig. 9. Orientation adjustment of the cuboid block
Fig. 10. Focusing on the cuboid block surface and capturing the image of its sharp edges
Fig. 11. Images of the sharp edges and edge extraction results: (a) Left edge; (b) Right edge; (c) Upper edge
Fig. 12. Experimental scene
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Table 1. Measuring results
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