Fig. 1. Schematic diagram of monocular structured light acquisition system

Fig. 2. Flow of improved AC algorithm

Fig. 3. Schematic diagram of point cloud after interpolation

Fig. 4. Corner point detection diagram

Fig. 5. Schematic diagram of point cloud rotation translation

Fig. 6. Boundary extraction results

Fig. 7. Boundary segmentation point diagram

Fig. 8. Schematic diagram of blade point cloud division points

Fig. 9. Segmentation diagram of blade point cloud coarse model

Fig. 10. Schematic diagram of the camera shooting area

Fig. 11. Schematic diagram of point cloud OBB

Fig. 12. Enveloping box diagram of blade point cloud block

Fig. 13. Calculation and statistical graphs of normal vector of point cloud

Fig. 14. Acquisition diagrams of blade in 160 mm×128 mm vision field

Fig. 15. Block diagram of blade point cloud

Fig. 16. Viewpoint acquisition results of the proposed method

Fig. 17. Viewpoint acquisition results of supervoxel segmentation method