Fig. 1. Schematic of photogrammetry without coded points

Fig. 2. Process of multi-view structure reconstruction without coded points

Fig. 3. White basecoat of digital speckle pattern

Fig. 4. Pseudocode of random growth method of speckle particle

Fig. 5. Speckle particles with random shapes

Fig. 6. Speckle patterns with different sizes of speckle particles. (a) 5-8 pixel; (b) 9-12 pixel; (c) 13-20 pixel

Fig. 7. Speckle patterns with different proportions of speckle particles. (a) 20%; (b) 40%; (c) 60%

Fig. 8. Speckle patterns with different grayscale ranges (0-255) of speckle particles. (a) 40-100; (b) 20-80; (c) 0-60

Fig. 9. DIC matching results of projected speckles. (a) Left image; (b) right image

Fig. 10. Mismatching problem of DIC between images with large rotation angle. (a) Left image; (b) right image

Fig. 11. Matching strategy of RFDIC

Fig. 12. Matching results of RFDIC and Patch Matching methods. (a) Reference image; (b) RFDIC method; (c) Patch Matching method

Fig. 13. Pseudocode of multi-view geometry reconstruction without coded points

Fig. 14. Sheet metal of aircraft skin

Fig. 15. Experimental scene of photogrammetry without coded points

Fig. 16. Multi-view structure reconstructed by photogrammetry without coded points

Fig. 17. Point cloud and triangular mesh model reconstructed from two views

Fig. 18. Comparison of overall deviation of point cloud