Fig. 1. The triangular mesh model used in this paper

Fig. 2. The relationship between seed and H distance

Fig. 3. (a) Local triangular mesh and (b) abstract graph structur used in this paper

Fig. 4. Schematic diagram of seed point

Fig. 5. Schematic diagrams of (a) distance from triangular patch points to projection points and (b) distance from point to agent plane

Fig. 6. Schematic diagrams (a) before and (b) after boundary smoothing

Fig. 7. Schematic diagram of isolated triangular patch

Fig. 8. Boundary extraction results

Fig. 9. (a) Source triangular mesh model and (b) the low-resolution triangular mesh model obtained through simplification algorithms such as edge collapsing

Fig. 10. Segmentation results of fandisk model in two views

Fig. 11. Schematic diagram of revolving body ignoring feature

Fig. 12. Center diagram of the split patch

Fig. 13. Coarse registration deviation chromatogram

Fig. 14. Schematic diagram of the overall process

Fig. 15. Photo of hardware equipment

Fig. 16. Multiple model segmentation results

Fig. 17. (a) Rand index and (b) Hamming distance

Fig. 18. Registration models