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research article

Template-Free Wavelet-Based Detection of Local Symmetries

Püspöki, Z.
•
Unser, M.  
2015
IEEE Transactions on Image Processing

Our goal is to detect and group different kinds of local symmetries in images in a scale- and rotation-invariant way. We propose an efficient wavelet-based method to determine the order of local symmetry at each location. Our algorithm relies on circular harmonic wavelets which are used to generate steerable wavelet channels corresponding to different symmetry orders. To give a measure of local symmetry, we use the F-test to examine the distribution of the energy across different channels. We provide experimental results on synthetic images, biological micrographs, and electron-microscopy images to demonstrate the performance of the algorithm.

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Type
research article
DOI
10.1109/Tip.2015.2436343
Web of Science ID

WOS:000356176500005

Author(s)
Püspöki, Z.
•
Unser, M.  
Date Issued

2015

Publisher

IEEE

Published in
IEEE Transactions on Image Processing
Volume

24

Issue

10

Start page

3009

End page

3018

Subjects

Local symmetries

•

F-test

•

circular harmonic wavelets

•

junction detection

URL

URL

http://bigwww.epfl.ch/publications/puespoeki1502.html

URL

http://bigwww.epfl.ch/publications/puespoeki1502.pdf

URL

http://bigwww.epfl.ch/publications/puespoeki1502.ps
Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LIB  
Available on Infoscience
July 28, 2015
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/116721
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