A convolutional approach to reflection symmetry

Marcelo Cicconet*, Vighnesh Birodkar, Mads Lund, Michael Werman, Davi Geiger

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

21 Scopus citations


We present a convolutional approach to reflection symmetry detection in 2D. Our model, built on the products of complex-valued wavelet convolutions, simplifies previous edge-based pairwise methods. Being parameter-centered, as opposed to feature-centered, it has certain computational advantages when the object sizes are known a priori, as demonstrated in an ellipse detection application. The method outperforms the best-performing algorithm on the CVPR 2013 Symmetry Detection Competition Database in the single-symmetry case. We release code and a new, larger image database.

Original languageAmerican English
Pages (from-to)44-50
Number of pages7
JournalPattern Recognition Letters
StatePublished - 1 Aug 2017

Bibliographical note

Publisher Copyright:
© 2017


  • Mirror symmetry
  • Reflection symmetry


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