Fig. 1. Measurement principle of binocular stereo camera

Fig. 2. Calibration principle and method of binocular camera

Fig. 3. Visual measurement method of thin-walled parts deformation

Fig. 4. Image recognition of world coordinate system

Fig. 5. Visual detection and location of coded targets

Fig. 6. Detection and location of circular markers

Fig. 7. Geometric parameters of the ellipse in image coordinate

Fig. 8. Decoding of coded ring

Fig. 9. Calculation of effective edge contour

Fig. 10. Extract and stereo matching of feature points

Fig. 11. Binocular stereo vision measurement system

Fig. 12. Deformation measurement and 3D reconstruction results

Fig. 13. Comparison experiment of deformation detection algorithm