Point Cloud Edge-Extraction Algorithm Based on Gaussian Map Clustering

Yunlong Su; Xueliang Ping

doi:10.3788/LOP56.111506

Laser & Optoelectronics Progress, Volume. 56, Issue 11, 111506(2019)

Point Cloud Edge-Extraction Algorithm Based on Gaussian Map Clustering

Yunlong Su^* and Xueliang Ping^**

Jiangsu Key Laboratory of Advanced Food Manufacturing Equipment and Technology, School of Mechanical Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China

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Figures & Tables(5)

Fig. 1. Flow chart of agglomerative clustering algorithm

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Fig. 2. Comparison of extracted teapot edge point clouds. (a) Extracted teapot edge by improved algorithm; (b) extracted teapot edge by original algorithm

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Fig. 3. Comparison of extracted phone edge point clouds. (a) Extracted phone edge by improved algorithm; (b) extracted phone edge by original algorithm; (c) partial enlargement of extracted edge by improved algorithm; (d) partial enlargement of extracted edge by original algorithm

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Table 1. Comparison of extraction effects of teapot edge points between traditional Gaussian clustering algorithm and improved algorithm
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Table 1. Comparison of extraction effects of teapot edge points between traditional Gaussian clustering algorithm and improved algorithm
Algorithm Searchingradius /mm Extractededge point Runningtime /s
Original 30 1022 0.87
Improved 30 2483 0.61

Table 2. Comparison of extraction effects of telephone edge points between traditional Gaussian clustering algorithm and improved algorithm
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Table 2. Comparison of extraction effects of telephone edge points between traditional Gaussian clustering algorithm and improved algorithm
Algorithm Searchingradius /mm Extractededge point Runningtime /s
Original 25 42032 1.21
Improved 25 63321 0.89

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Yunlong Su, Xueliang Ping. Point Cloud Edge-Extraction Algorithm Based on Gaussian Map Clustering[J]. Laser & Optoelectronics Progress, 2019, 56(11): 111506

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Paper Information

Category: Machine Vision

Received: Nov. 30, 2018

Accepted: Jan. 7, 2019

Published Online: Jun. 13, 2019

The Author Email: Yunlong Su (1870679495@qq.com), Xueliang Ping (ping@jiangnan.edu.cn)

DOI:10.3788/LOP56.111506

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Comparison of extraction effects of teapot edge points between traditional Gaussian clustering algorithm and improved algorithm

Table 1. Comparison of extraction effects of teapot edge points between traditional Gaussian clustering algorithm and improved algorithm

Table 2. Comparison of extraction effects of telephone edge points between traditional Gaussian clustering algorithm and improved algorithm

Table 2. Comparison of extraction effects of telephone edge points between traditional Gaussian clustering algorithm and improved algorithm