Yiping Liu, Mingquan Zhou, Jiaojiao Kou, Yuehua Yu, Linqi Hai, Kang Li, Haibo Zhang. Denoising of Cultural Relics Point Cloud Model Based on Unsupervised Network Framework[J]. Laser & Optoelectronics Progress, 2022, 59(12): 1215014
- Laser & Optoelectronics Progress
- Vol. 59, Issue 12, 1215014 (2022)
Fig. 1. Network structure diagram
Fig. 2. Network structure of first layer
Fig. 3. Network structure of second layer
Fig. 4. Point cloud model diagrams used in experiment. (a) Bunny; (b) Dragon; (c) Drill; (d) front view of terracotta model; (e) side view of terracotta model; (f) top view of terracotta model
Fig. 5. Clean point cloud data. (a) Bunny; (b) Dragon; (c) Drill
Fig. 6. Cloud data with noise to be removed. (a) Bunny; (b) Dragon; (c) Drill
Fig. 7. Denoising results of algorithm in reference [15]. (a) Bunny; (b) Dragon; (c) Drill
Fig. 8. Denoising results of algorithm in reference [19]. (a) Bunny; (b) Dragon; (c) Drill
Fig. 9. Denoising results of algorithm in reference [17]. (a) Bunny; (b) Dragon; (c) Drill
Fig. 10. Denoising results of algorithm in reference [1]. (a) Bunny; (b) Dragon; (c) Drill
Fig. 11. Denoising results of proposed algorithm. (a) Bunny; (b) Dragon; (c) Drill
Fig. 12. Comparison of fingers before and after denoising. (a) Fingers to be denoised; (b) finger denoising result
Fig. 13. Comparison of head before and after denoising. (a) Head to be denoised; (b) head denoising result
Fig. 14. Comparison of upper body before and after denoising. (a) Upper body to be denoised;(b) upper body denoising result
Fig. 15. Comparison of neckline before and after denoising. (a) Neckline to be denoised; (b) neckline denoising result
Fig. 16. Comparison of hands before and after denoising. (a) Hands to be denoised; (b) hands denoising result
Fig. 17. Comparison of head before and after denoising. (a) Head to be denoised; (b) head denoising result
Fig. 18. Comparison of upper body before and after denoising. (a) Upper body to be denoised; (b) local part of upper body to be denoised; (c) upper body denoising result; (d) local part of upper body denoising result
Fig. 19. Comparison of feet before and after denoising. (a) Feet to be denoised; (b) local part of feet to be denoised; (c) feet denoising result; (d) local part of feet denoising result
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Table 1. Comparison of denoising effects of different algorithms under chamfer distance as evaluation standard
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Table 2. Comparison of denoising effects of different algorithms under MSE as evaluation standard
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