Feature Extraction from 3D Point Cloud Data Based on Discrete Curves

Yi An, Zhuohan Li and Cheng Shao

Mathematical Problems in Engineering, 2013, vol. 2013, 1-19

Abstract:

Reliable feature extraction from 3D point cloud data is an important problem in many application domains, such as reverse engineering, object recognition, industrial inspection, and autonomous navigation. In this paper, a novel method is proposed for extracting the geometric features from 3D point cloud data based on discrete curves. We extract the discrete curves from 3D point cloud data and research the behaviors of chord lengths, angle variations, and principal curvatures at the geometric features in the discrete curves. Then, the corresponding similarity indicators are defined. Based on the similarity indicators, the geometric features can be extracted from the discrete curves, which are also the geometric features of 3D point cloud data. The threshold values of the similarity indicators are taken from , which characterize the relative relationship and make the threshold setting easier and more reasonable. The experimental results demonstrate that the proposed method is efficient and reliable.

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:290740

DOI: 10.1155/2013/290740

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