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Erschienen in:
2005 | OriginalPaper | Buchkapitel
Multispectral MR to X-Ray Registration of Vertebral Bodies by Generating CT-Like Data
verfasst von : Everine B. van de Kraats, Graeme P. Penney, Theo van Walsum, Wiro J. Niessen
Erschienen in: Medical Image Computing and Computer-Assisted Intervention – MICCAI 2005
Verlag: Springer Berlin Heidelberg
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A new method for MR to X-ray registration is presented. Based on training data, consisting of registered multispectral MR and CT data, a function is defined that maps multispectral MR data to CT-like data. For new subjects for which multispectral MR data have been acquired, the mapping function is used to generate a corresponding CT-like dataset. The CT-like image is subsequently used for registration to X-ray data, using gradient-based registration. Preliminary experiments indicate that MR to X-ray registration using this method is more accurate and has a larger capture range than gradient-based registration applied directly to MR data.