Fig. 1. Binocular vision measurement model

Fig. 2. Schematic of feature point matching and tracking

Fig. 3. Flow chart of binocular vision vibration measurement

Fig. 4. Experiment system

Fig. 5. Image preprocessing. (a) Select region of interest; (b) preprocessed image

Fig. 6. Vibration displacement time history of 1# feature point in different directions. (a) X-axis displacement; (b) Y-axis displacement; (c) Z-axis displacement

Fig. 7. Y-axis displacement spectrum of 1# feature point

Fig. 8. Comparison of calculated displacement and theoretical vibration displacement of the proposed method. (a) X-axis displacement; (b) Y-axis displacement; (c) Z-axis displacement

Fig. 9. Each axial displacement error of 1# feature point