Title
TreePartNet: neural decomposition of point clouds for 3D tree reconstruction
Abstract
AbstractWe present TreePartNet, a neural network aimed at reconstructing tree geometry from point clouds obtained by scanning real trees. Our key idea is to learn a natural neural decomposition exploiting the assumption that a tree comprises locally cylindrical shapes. In particular, reconstruction is a two-step process. First, two networks are used to detect priors from the point clouds. One detects semantic branching points, and the other network is trained to learn a cylindrical representation of the branches. In the second step, we apply a neural merging module to reduce the cylindrical representation to a final set of generalized cylinders combined by branches. We demonstrate results of reconstructing realistic tree geometry for a variety of input models and with varying input point quality, e.g., noise, outliers, and incompleteness. We evaluate our approach extensively by using data from both synthetic and real trees and comparing it with alternative methods.
Year
DOI
Venue
2021
10.1145/3478513.3480486
ACM Transactions on Graphics
Keywords
DocType
Volume
3D Reconstruction, Procedural Modeling, Deep Learning, Optimization, Procedural Generation, Geometric Modeling
Journal
40
Issue
ISSN
Citations 
6
0730-0301
0
PageRank 
References 
Authors
0.34
48
6
Name
Order
Citations
PageRank
Yanchao Liu100.34
Jianwei Guo22711.29
Bedrich Benes3127680.15
Oliver Deussen42852205.16
Xiaopeng Zhang537236.34
Hui Huang669452.19