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|Table of Contents|

基于力场的点云树木骨架提取方法(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2016年02期
Page:
160-166
Column:
研究论文
publishdate:
2016-03-30

Article Info:/Info

Title:
Skeleton extraction for point cloud trees based on force field
Article ID:
1000-2006(2016)02-0160-07
Author(s):
ZHANG Dong12 YUN Ting12 XUE Lianfeng1* RUAN Honghua2
1. College of Information Science and Technology, Nanjing Forestry University, Nanjing 210037,China;
2. Co-Innovation Center Sustainable Forestry Studies in Southern China, College of Biology and the Environment, Nanjing Forestry University, Nanjin
Keywords:
LiDAR point cloud tree skeleton tree modeling split-level force field
Classification number :
TP391.41
DOI:
10.3969/j.issn.1000-2006.2016.02.027
Document Code:
A
Abstract:
Skeleton extraction is a fundamental part in simulation and modeling of point cloud trees. According to topology, a novel skeleton extraction method, which based on physical force field, is first proposed in this paper. First, the point cloud tree is layered by space subdivision method, and a simplified representation of the feature points is established under the neighbor relationships. Next, the feature points are connected by calculating the geodesic distance. Then, the surface skeleton is compressed into trees by applying force field. Finally, the final skeleton will be acquired by polishing it according to a threshold setting. The experimental results indicate that the algorithm can provide an satisfactory result, and the algorithm performance is verified using datasets ofmichelia and cherry trees.

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Last Update: 2016-04-01