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research article

Coupled Structure-from-Motion and 3D Symmetry Detection for Urban Facades

Ceylan, Duygu  
•
Mitra, Niloy J.
•
Zheng, Youyi
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2014
Acm Transactions On Graphics

Repeated structures are ubiquitous in urban facades. Such repetitions lead to ambiguity in establishing correspondences across sets of unordered images. A decoupled structure-from-motion reconstruction followed by symmetry detection often produces errors: outputs are either noisy and incomplete, or even worse, appear to be valid but actually have a wrong number of repeated elements. We present an optimization framework for extracting repeated elements in images of urban facades, while simultaneously calibrating the input images and recovering the 3D scene geometry using a graph-based global analysis. We evaluate the robustness of the proposed scheme on a range of challenging examples containing widespread repetitions and nondistinctive features. These image sets are common but cannot be handled well with state-of-the-art methods. We show that the recovered symmetry information along with the 3D geometry enables a range of novel image editing operations that maintain consistency across the images.

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Type
research article
DOI
10.1145/2517348
Web of Science ID

WOS:000332118300002

Author(s)
Ceylan, Duygu  
Mitra, Niloy J.
Zheng, Youyi
Pauly, Mark  
Date Issued

2014

Published in
Acm Transactions On Graphics
Volume

33

Issue

1

Start page

2

Subjects

Algorithms

•

Design

•

Structure-from-motion

•

symmetry detection

•

image collections

•

3D reconstruction

•

coupled editing

URL

Talk

https://youtu.be/Sc0G3OdPwDU
Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
GCM  
Available on Infoscience
April 14, 2014
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/102835
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