Fig. 1. Composition of rotor dynamic deformation measurement and visual analysis system

Fig. 2. Composition of integrated servo video acquisition and processing subsystem and signal transmission structure of whole system

Fig. 3. Process diagram of real-time data processing of system

Fig. 4. Schematic diagram of camera layout

Fig. 5. Flow chart of detection, identification and matching of coded mark points

Fig. 6. Algorithm implementation process of helicopter rotor deformation measurement based on digital speckle correlation

Fig. 7. Connection topology diagram of 3D measurement test system

Fig. 8. Reconstruction results

Fig. 9. Motion change curves of adjacent two points on plate

Fig. 10. Motion change curves of two points along longitudinal distance on plate