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Detection and typification of linear structures for dynamic visualization of 3D city models

Mao, Bo; Harrie, Lars LU and Ban, Yifang (2012) In Computers, Environment and Urban Systems 36(3). p.233-244
Abstract
Cluttering is a fundamental problem in 3D city model visualization. In this paper, a novel method for removing cluttering by typification of linear building groups is proposed. This method works. in static as well as dynamic visualization of 3D city models. The method starts by converting building models in higher Levels of Details (LoDs) into LoD1 with ground plan and height. Then the Minimum Spanning Tree (MST) is generated according to the distance between the building ground plans. Based on the MST, linear building groups are detected for typification. The typification level of a building group is determined by its distance to the viewpoint as well as its viewing angle. Next, the selected buildings are removed and the remaining ones... (More)
Cluttering is a fundamental problem in 3D city model visualization. In this paper, a novel method for removing cluttering by typification of linear building groups is proposed. This method works. in static as well as dynamic visualization of 3D city models. The method starts by converting building models in higher Levels of Details (LoDs) into LoD1 with ground plan and height. Then the Minimum Spanning Tree (MST) is generated according to the distance between the building ground plans. Based on the MST, linear building groups are detected for typification. The typification level of a building group is determined by its distance to the viewpoint as well as its viewing angle. Next, the selected buildings are removed and the remaining ones are adjusted in each group separately. To preserve the building features and their spatial distribution, Attributed Relational Graph (ARC) and Nested Earth Mover's Distance (NEMD) are used to evaluate the difference between the original building objects and the generalized ones. The experimental results indicate that our method can reduce the number of buildings while preserving the visual similarity of the urban areas. (C) 2011 Elsevier Ltd. All rights reserved. (Less)
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
3D city models, Typification, Dynamic visualization, Minimum spanning, tree, Similarity measurement
in
Computers, Environment and Urban Systems
volume
36
issue
3
pages
233 - 244
publisher
Elsevier
external identifiers
  • wos:000303078500004
  • scopus:84858800046
ISSN
0198-9715
DOI
10.1016/j.compenvurbsys.2011.10.001
language
English
LU publication?
yes
id
fea555c2-92f9-4cc5-b1a2-f5c877f2929a (old id 2563087)
date added to LUP
2012-06-01 12:27:29
date last changed
2017-10-01 03:32:08
@article{fea555c2-92f9-4cc5-b1a2-f5c877f2929a,
  abstract     = {Cluttering is a fundamental problem in 3D city model visualization. In this paper, a novel method for removing cluttering by typification of linear building groups is proposed. This method works. in static as well as dynamic visualization of 3D city models. The method starts by converting building models in higher Levels of Details (LoDs) into LoD1 with ground plan and height. Then the Minimum Spanning Tree (MST) is generated according to the distance between the building ground plans. Based on the MST, linear building groups are detected for typification. The typification level of a building group is determined by its distance to the viewpoint as well as its viewing angle. Next, the selected buildings are removed and the remaining ones are adjusted in each group separately. To preserve the building features and their spatial distribution, Attributed Relational Graph (ARC) and Nested Earth Mover's Distance (NEMD) are used to evaluate the difference between the original building objects and the generalized ones. The experimental results indicate that our method can reduce the number of buildings while preserving the visual similarity of the urban areas. (C) 2011 Elsevier Ltd. All rights reserved.},
  author       = {Mao, Bo and Harrie, Lars and Ban, Yifang},
  issn         = {0198-9715},
  keyword      = {3D city models,Typification,Dynamic visualization,Minimum spanning,tree,Similarity measurement},
  language     = {eng},
  number       = {3},
  pages        = {233--244},
  publisher    = {Elsevier},
  series       = {Computers, Environment and Urban Systems},
  title        = {Detection and typification of linear structures for dynamic visualization of 3D city models},
  url          = {http://dx.doi.org/10.1016/j.compenvurbsys.2011.10.001},
  volume       = {36},
  year         = {2012},
}