Distortion compensation method for high-precision point cloud model

YANG Hao; NING Yeyan; FANG Yu; LI Haoyu; YANG Yunjie

doi:10.12299/jsues.21-0249

Volume 36 Issue 3

Jun. 2022

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Article Navigation > Journal of Shanghai University of Engineering Science > 2022 > 36(3): 278-283

YANG Hao, NING Yeyan, FANG Yu, LI Haoyu, YANG Yunjie. Distortion compensation method for high-precision point cloud model[J]. Journal of Shanghai University of Engineering Science, 2022, 36(3): 278-283. doi: 10.12299/jsues.21-0249

Citation:

YANG Hao, NING Yeyan, FANG Yu, LI Haoyu, YANG Yunjie. Distortion compensation method for high-precision point cloud model[J]. Journal of Shanghai University of Engineering Science, 2022, 36(3): 278-283. doi: 10.12299/jsues.21-0249

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Distortion compensation method for high-precision point cloud model

doi: 10.12299/jsues.21-0249

School of Mechanical and Automotive Engineering, Shanghai University of Engineering Science, Shanghai 201620, China

Received Date: 2021-11-12
Publish Date: 2022-06-30

Abstract

Abstract

Accurate acquisition and distortion compensation of point cloud model was the key to 3D laser scanning technology for inspection of parts. A method of obtaining high-precision 3D point cloud model by distortion compensation is proposed. The 3D point cloud model of parts was reconstructed by using a line laser, and the distortion compensation was applied to the included angle error in the model to achieve high-precision point cloud data acquisition. The test platform was established, and the test objects with different materials and structures were selected such as instrument parts, double-layer hole parts and grid components. Through comparative analysis, it has been found that the root-mean-square differences after the distortion compensation were reduced by 0.009, 0.036 and 0.024 mm respectively. The results verified the effectiveness of the distortion compensation method for the point cloud model and its good generality.
- line laser,
- point cloud model,
- distortion compensation

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References(17)

References

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