Fig. 1. Schematic of binocular vision measurement

Fig. 2. Schematic of multi-camera panoramic deformation measurement

Fig. 3. Large-scale digital speckle fabrication method

Fig. 4. Calibration of camera intrinsic and extrinsic parameters based on photogrammetry^［10］

Fig. 5. Schematic of multi-camera coordinate system unification

Fig. 6. Schematic of deformation measurement for high-rise cassette structure^[15]

Fig. 7. Comparison of measured results under Imperial Valley wave^［15］. (a) Displacement; (b) acceleration

Fig. 8. FFT results of the roof displacement under different PGA conditions^［15］

Fig. 9. Full-field results at the maximum displacememt deformation^［15］. (a) Maximum displacement in positive direction; (b) maximum displacement in negative direction

Fig. 10. On-site photo of cable-supported dome structure and measurement system layout^［16］

Fig. 11. Three-dimensional reconstruction results of encoded markers^［16］. (a) Reconstructed result of image captured by UAV; (b) reconstructed result of image captured by SLR camera; (c) results of two sets of reconstructed data after the coordinate system unification

Fig. 12. Displacement of counterweight nodes before and after tension^［16］

Fig. 13. Movement direction and vertical displacement of nodes during progressive collapse^［16］. (a) Area division of the movement direction of the counterweight nodes after the cable cutting; (b) vertical displacement of nodes and structural collapse stage

Fig. 14. Schematic of the multi-camera panoramic deformation measurement system^［17］

Fig. 15. Site view of multi-camera panoramic deformation measurement system^［17］

Fig. 16. 360° panoramic deformation in cylindrical coordinate system^［17］

Fig. 17. Static noise of displacement and strain measurement