Evaluation and comparison of surface and intensity based rigid registration methods for thorax and cardiac MR and PET images

Authors:
Timo Mäkelä;Mika Pollari;Jyrki Lötjönen;Nicoleta Pauna;Anthonin Reilhac;Patrick Clarysse;Isabelle E. Magnin;Toivo Katila
Affiliations:
Laboratory of Biomedical Engineering, Helsinki University of Technology, Finland and CREATIS, INSA, Batiment Blaise Pascal, Villeurbanne Cedex, France and BioMag Laboratory, Helsinki University Ce ...;Laboratory of Biomedical Engineering, Helsinki University of Technology, Finland;VTT Information Technology, Tampere, Finland;CREATIS, INSA, Batiment Blaise Pascal, Villeurbanne Cedex, France;Centre d'Exploration et de Recherche Médicales par Emission de Positons, Neurological Hospital, Lyon, France and McGill University, McConnell Brain Imaging Centre, Montreal Neurological Insti ...;CREATIS, INSA, Batiment Blaise Pascal, Villeurbanne Cedex, France;CREATIS, INSA, Batiment Blaise Pascal, Villeurbanne Cedex, France;Laboratory of Biomedical Engineering, Helsinki University of Technology, Finland and BioMag Laboratory, Helsinki University Central Hospital, Finland
Venue:
FIMH'03 Proceedings of the 2nd international conference on Functional imaging and modeling of the heart
Year:
2003

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Abstract

In this paper an evaluation and a comparison of surface and image intensity based (mutual information, normalized mutual information and correlation ratio) rigid registration methods for cardiac magnetic resonance and positron emission tomography images are presented. In both types of rigid image registration methods, PET transmission image was used as a linking mediator to register corresponding PET emission image to MR image coordinates. Also direct rigid registration of PET emission image to MR image coordinates was tested. Methods were evaluated with simulated and ten patient MR-PET images and with three optimization methods. Results indicated that NMI and CR methods with simplex optimization provided the most robust and accurate results.