Infrared and Laser Engineering, Volume. 53, Issue 12, 20240340(2024)
An efficient spherical fitting method combined with the statistical model of point cloud
Figures & Tables(7)
Table 1. Statistical results for different algorithms
View tableView in ArticleTable 1. Statistical results for different algorithms
$ \eta $ Scheme $ {{{\sigma _{{\boldsymbol{\hat c}}}}} \mathord{\left/ {\vphantom {{{\sigma _{{\boldsymbol{\hat c}}}}} {{{10}^{ - 3}}}}} \right. } {{{10}^{ - 3}}}} $ $ {{{\sigma _{\hat r}}} \mathord{\left/ {\vphantom {{{\sigma _{\hat r}}} {{{10}^{ - 3}}}}} \right. } {{{10}^{ - 3}}}} $ $j$ $t/{\text{s}}$ $ 50\% $ 1 11.359 4.126 1 0.002 2 8.853 2.920 3 0.015 3 9.762 3.295 1 0.003 4 6.826 2.421 4 1.633 5 6.826 2.421 4 0.021 $40\% $ 1 11.601 4.592 1 0.002 2 9.562 3.140 3 0.017 3 10.325 3.521 1 0.003 4 7.711 2.649 6 2.372 5 7.711 2.649 6 0.034 $30\% $ 1 12.452 4.940 1 0.002 2 9.923 3.316 4 0.026 3 11.496 3.773 1 0.004 4 8.539 2.844 7 2.840 5 8.539 2.844 7 0.037
Table 2. Statistical results for different algorithms for the target ball point cloud
View tableView in ArticleTable 2. Statistical results for different algorithms for the target ball point cloud
Ball number Number of points Scheme 4 Scheme 5 ${{\hat c}}/{\text{m}}$ $\hat r/{\text{cm}}$ $t/{\text{s}}$ ${{\hat c}}/{\text{m}}$ $\hat r/{\text{cm}}$ $t/{\text{s}}$ 1 965 2.1943 − 2.3723 − 0.8697 7.254 1.609 2.1943 − 2.3723 − 0.8697 7.254 0.020 2 3721 0.7951 − 0.7229 − 0.8469 7.243 67.723 0.7951 − 0.7229 − 0.8469 7.243 0.663 3 2084 0.2838 − 1.7105 − 0.9108 7.245 12.072 0.2838 − 1.7105 − 0.9108 7.245 0.186 4 1569 − 0.4312 − 3.3282 − 0.8586 7.239 5.941 − 0.4312 − 3.3282 − 0.8586 7.239 0.104 5 1388 − 1.5156 − 1.5244 − 0.8508 7.241 4.326 − 1.5156 − 1.5244 − 0.8508 7.241 0.047
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Wei WANG, Zhijun QI, Donghui ZHU, Wenjie CHENG, Zengquan LIU. An efficient spherical fitting method combined with the statistical model of point cloud[J]. Infrared and Laser Engineering, 2024, 53(12): 20240340
Paper Information
Category: 光电测量
Received: Sep. 1, 2024
Accepted: --
Published Online: Jan. 16, 2025
The Author Email: QI Zhijun (2016301610038@whu.edu.cn)
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