Local Point Cloud Reconstruction of Ceramic-Bowl-Surface Defect Based on Multi-Image Sequences

Meng Guo; Liaolin Hu; Jie Li

doi:10.3788/AOS201737.1215002

Journals >Acta Optica Sinica >Volume 37 >Issue 12 >Page 1215002 > Article

Acta Optica Sinica
Vol. 37, Issue 12, 1215002 (2017)

Local Point Cloud Reconstruction of Ceramic-Bowl-Surface Defect Based on Multi-Image Sequences

Meng Guo, Liaolin Hu^*, and Jie Li

Author Affiliations

School of Mechanical and Precision Instrument Engineering, Xi'an University of Technology, Xi'an, Shaanxi 710048, China

show less

DOI: 10.3788/AOS201737.1215002 Cite this Article Set citation alerts

Meng Guo, Liaolin Hu, Jie Li. Local Point Cloud Reconstruction of Ceramic-Bowl-Surface Defect Based on Multi-Image Sequences[J]. Acta Optica Sinica, 2017, 37(12): 1215002 Copy Citation Text

show less

Fig. 1. Bidirectional matching results based on FAST+SURF+FLANN. (a) Matching result from I1 to I2; (b) matching result from I2 to I1

Download full size

Fig. 2. Merging of reconstructed subsets

Download full size

Fig. 3. Reconstruction images of local point cloud. (a) Original images; (b) surface defect marking; (c) front image of defect; (d) side image of defect

Download full size

Fig. 4. Images of complete reconstruction of defect on ceramic bowl surface. (a) Original images; (b) surface defect marking; (c) bidirectional matching effect image; (d) sparse point cloud reconstruction based on SFM; (e) dense point cloud reconstruction of front image based on PMVS; (f) dense point cloud reconstruction of side image based on PMVS

Download full size

Ideal three-dimensional coordinates /mm		Three-dimensional coordinates optimized by Zhang’s calibration algorithm /mm			Three-dimensional coordinates optimized by genetic algorithm /mm
30	0	30.007	0.006	0.003	30.004	0.003	0.001
30	15	29.962	15.101	0.002	30.008	15.000	0.001
30	30	30.018	30.028	0.000	30.004	30.001	0.000
30	45	30.014	45.003	0.000	30.003	45.009	0.009
30	60	29.973	60.101	0.007	30.012	60.001	0.001
30	75	30.101	75.032	0.006	30.013	75.021	0.000
30	90	30.022	90.102	0.001	30.006	90.030	0.002
30	105	30.102	105.064	0.000	30.011	105.001	0.000
30	120	29.981	120.031	0.003	30.003	120.021	0.000
45	0	45.013	0.016	0.007	45.003	0.001	0.000
45	15	45.025	15.036	0.004	45.015	14.993	0.001
45	30	45.106	30.063	0.002	45.000	30.012	0.001

Table 1. Calculations of three-dimensional coordinates optimized by Zhang’s calibration and genetic algorithm

Meng Guo, Liaolin Hu, Jie Li. Local Point Cloud Reconstruction of Ceramic-Bowl-Surface Defect Based on Multi-Image Sequences[J]. Acta Optica Sinica, 2017, 37(12): 1215002

Download Citation

Set citation alerts for the article

Tools

Set citation alerts for the article

Save the article for my favorites

Paper Information