Acta Optica Sinica, Volume. 37, Issue 12, 1215002(2017)
Local Point Cloud Reconstruction of Ceramic-Bowl-Surface Defect Based on Multi-Image Sequences
Figures & Tables(5)
Fig. 1. Bidirectional matching results based on FAST+SURF+FLANN. (a) Matching result from I1 to I2; (b) matching result from I2 to I1
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
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
Table 1. Calculations of three-dimensional coordinates optimized by Zhang’s calibration and genetic algorithm
View tableTable 1. Calculations of three-dimensional coordinates optimized by Zhang’s calibration and genetic algorithm
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 0 30.007 0.006 0.003 30.004 0.003 0.001 30 15 0 29.962 15.101 0.002 30.008 15.000 0.001 30 30 0 30.018 30.028 0.000 30.004 30.001 0.000 30 45 0 30.014 45.003 0.000 30.003 45.009 0.009 30 60 0 29.973 60.101 0.007 30.012 60.001 0.001 30 75 0 30.101 75.032 0.006 30.013 75.021 0.000 30 90 0 30.022 90.102 0.001 30.006 90.030 0.002 30 105 0 30.102 105.064 0.000 30.011 105.001 0.000 30 120 0 29.981 120.031 0.003 30.003 120.021 0.000 45 0 0 45.013 0.016 0.007 45.003 0.001 0.000 45 15 0 45.025 15.036 0.004 45.015 14.993 0.001 45 30 0 45.106 30.063 0.002 45.000 30.012 0.001
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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
Paper Information
Category: Machine Vision
Received: May. 18, 2017
Accepted: --
Published Online: Sep. 6, 2018
The Author Email: Liaolin Hu (huliaolin@163.com)
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