Computer Science

Multi-view and multi-pose lock pin point cloud model reconstruction based on turntable

  • Xin LU ,
  • Chang HUANG ,
  • Zhiwei JIN
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  • 1. School of Communication and Electronic Engineering, East China Normal University, Shanghai 200241, China

Received date: 2023-01-05

  Online published: 2024-03-18

Abstract

The surface structure of a container lock pin is complex, making it difficult to establish a point cloud model with a high surface feature integrity. Therefore, a multi-view and multi-attitude point cloud model reconstruction algorithm based on a turntable was proposed to restore the complete surface features of the locking pin. Considering that sensors at a fixed height are paired with rotating turntables in most scenarios, the collected surface features are usually somewhat missing. Initially, the algorithm uses the parameter calibration results of the turntable to realize the multi-view three-dimensional point cloud stitching, and establishes a fixed attitude point cloud model. Then, through the proposed improved spherical projection algorithm, the positioning of the locking pin on the turntable is selected to establish a point cloud model under another posture. Finally, the point cloud model with multiple attitudes is integrated to improve its surface characteristics. Experimental results show that the proposed algorithm can build a lock-pin point cloud model with high surface feature integrity.

Cite this article

Xin LU , Chang HUANG , Zhiwei JIN . Multi-view and multi-pose lock pin point cloud model reconstruction based on turntable[J]. Journal of East China Normal University(Natural Science), 2024 , 2024(2) : 86 -96 . DOI: 10.3969/j.issn.1000-5641.2024.02.010

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