Kaiyuan GAO, Lei LIU, Haihua CUI, Pengcheng LI, Xiaoxu LIU, Lin LIU. Multi-scale decomposition of point cloud data based on wavelet transform[J]. Optics and Precision Engineering, 2023, 31(3): 340
- Optics and Precision Engineering
- Vol. 31, Issue 3, 340 (2023)
Fig. 1. Schematic diagram of multi-scale 3D measurements
Fig. 2. Multilevel wavelet decomposition space
Fig. 3. Convolutional nuclei
Fig. 4. Grid convolution
Fig. 5. Macro-micro combined measurement results of blade
Fig. 6. Decomposition results of wavelet method
Fig. 7. Decomposation results of random sampling method
Fig. 8. Decomposation results of curvature sampling method
Fig. 9. Results of scale spatial decomposition method
Fig. 10. Comparison of differences between different decomposition methods
Fig. 11. Pore registration results
Fig. 12. Macro-micro combined measurement results of raster
Fig. 13. Grid edge registration results
Fig. 14. Inspection results of leaf without pores
Fig. 15. Leaf edge registration results
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Table 1. Statistic of wavelet method decomposition results
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Table 2. Statistics of random sampling decomposition results
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Table 3. Statistics of curvature sampling decomposition results
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Table 4. Statistics of scale spatial decomposition results
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Table 5. Comparison of multiple decomposition registration error for wavelet method
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Table 6. Approximate scale of raster constrains the comparison of registration errors
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Table 7. Comparison of approximate scale constraint registration errors of blade edges
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