An economical scanning digital measurement system

doi:10.7523/j.ucas.2023.002

Abstract

Abstract: The non-contact measurement and reconstruction are widely used in industrial applications, however, the price of low-end equipment in the market is expensive. In this paper, an economical 3D non-contact scanner is built based on laser triangulation method, and the methods of object scanning, geometric reconstruction and measurement are implemented by combining data processing and geometric reconstruction. Compared with the comparative commercial scanners, the system in this paper has certain advantages in the range of view, data quality, reconstruction results and geodesic distance estimation. At the same time, our algorithm can effectively deal with the reflection of metal objects and has good performance in extreme cases. The experimental results show that the proposed non-contact scanning platform process is suitable for the implementation and evaluation of economical scanning digital measurement systems, and can be used to build cost-effective digital measurement systems.

Key words: laser scanning, image processing, point cloud reconstruction, geodesic distance

CLC Number:

WANG Mengxing, FENG Yifei, YANG Dongyu, SHEN Liyong. An economical scanning digital measurement system[J]. Journal of University of Chinese Academy of Sciences, 2023, 40(4): 547-554.

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