Hongqiang Bai, Yonghua Xia, Minglong Yang, Zhaoyong Li, Lijuan Long. Splicing and Fusion of Triangular Meshes for Complex Surface of Karst Cave[J]. Laser & Optoelectronics Progress, 2020, 57(15): 152802
- Laser & Optoelectronics Progress
- Vol. 57, Issue 15, 152802 (2020)
Fig. 1. Flowchart of triangular mesh splicing
Fig. 2. bdf standard format
Fig. 3. bdf format file after conversion
Fig. 4. Detection results of adjacent boundary of triangular mesh. (a) Simple triangular mesh display results; (b) adjacent boundary detection of triangular mesh
Fig. 5. Principle of adjacent boundary splicing. (a) Before splicing; (b) after splicing
Fig. 6. Connection results generated by triangular mesh. (a) Generated results; (b) spliced results
Fig. 7. Comparison before and after point cloud classification. (a) Original point cloud before classification; (b) point cloud after classification
Fig. 8. Triangular mesh renderings with different resolutions. (a) Before the classification; (b) after the classification
Fig. 9. Comparison of mosaic boundary extraction effect of triangular mesh. (a) Before extracting; (b) after extracting
Fig. 10. Contrast diagram of triangular mesh boundary splicing and fusion effect. (a) Before boundary splicing; (b) after boundary splicing
Fig. 11. Triangular mesh renderings before and after peak smoothing. (a) Before peak smoothing; (b) after peak smoothing
Fig. 12. Comparison between mosaic fusion results after smoothing and original point cloud. (a) Original point cloud; (b) mesh model processed by the method in this paper
Fig. 13. Comparison of splicing results by mesh splicing method and software. (a) Automatic splicing effect of the method in this paper; (b) splicing effect of Geomagic Studio software
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