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

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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Communication dans un congrès
IEEE International Symposium on Biomedical Imaging (ISBI), Apr 2015, New York, United States. pp.717-720, 2015
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  • HAL Id : inserm-01118766, version 1

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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, 2015. 〈inserm-01118766〉

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