Symmetric Block-Matching Registration for the Distortion Correction of Echo-Planar Images

Renaud Hedouin 1, * Olivier Commowick 1 Maxime Taquet 2, 3 Elise Bannier 4, 1 Benoit Scherrer 3 Simon Warfield 3 Christian Barillot 1
* Corresponding author
1 VisAGeS - Vision, Action et Gestion d'informations en Santé
INSERM - Institut National de la Santé et de la Recherche Médicale : U746, Inria Rennes – Bretagne Atlantique , IRISA-D5 - SIGNAUX ET IMAGES NUMÉRIQUES, ROBOTIQUE
2 ICTEAM - Institute of Information and Communication Technologies, Electronics and Applied Mathematics
3 CRL - Computational Radiology Laboratory [Boston]
4 Département de Radiologie [CHU de Rennes]
Abstract : We introduce a new approach to correct geometric and in- tensity distortion of Echo Planar Images (EPI) from images acquired with opposite phase encoding directions. A new symmetric block-matching registration algorithm has been developed for this purpose relying on new adapted transfor- mations between blocks and a symmetric optimization scheme to ensure an opposite symmetric transformation. We present results of our algorithm showing its ability to robustly re- cover EPI distortion while obtaining sharper results than the popular TOPUP algorithm.
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https://www.hal.inserm.fr/inserm-01118766
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Submitted on : Wednesday, May 6, 2015 - 3:02:42 PM
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Renaud Hedouin, Olivier Commowick, Maxime Taquet, Elise Bannier, Benoit Scherrer, et al.. Symmetric Block-Matching Registration for the Distortion Correction of Echo-Planar Images. IEEE International Symposium on Biomedical Imaging (ISBI), Apr 2015, New York, United States. pp.717-720. ⟨inserm-01118766⟩

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