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Simultaneous parameter mapping, modality synthesis, and anatomical labeling of the brain with MR fingerprinting

Gómez, Pedro A., Molina-Romero, Miguel, Ulas, Cagdas, Bounincontri, Guido, Sperl, Jonathan I., Jones, Derek K., Menzel, Marion I. and Menze, Bjoern H. 2016. Simultaneous parameter mapping, modality synthesis, and anatomical labeling of the brain with MR fingerprinting. Presented at: MICCAI 2016: nternational Conference on Medical Image Computing and Computer-Assisted Intervention, Athens, Greece, 17-21 October 2016. Published in: Ourselin, Sebastien, Joskowicz, Leo, Sabuncu, Mert R., Unal, Gozde and Wells, William eds. Medical Image Computing and Computer-Assisted Intervention -- MICCAI 2016: 19th International Conference, Athens, Greece, October 17-21, 2016, Proceedings, Part III. Lecture Notes in Computer Science Cham: Springer, pp. 579-586. 10.1007/978-3-319-46726-9_67

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Magnetic resonance fingerprinting (MRF) quantifies various properties simultaneously by matching measurements to a dictionary of precomputed signals. We propose to extend the MRF framework by using a database to introduce additional parameters and spatial characteristics to the dictionary. We show that, with an adequate matching technique which includes an update of selected fingerprints in parameter space, it is possible to reconstruct parametric maps, synthesize modalities, and label tissue types at the same time directly from an MRF acquisition. We compare (1) relaxation maps from a spatiotemporal dictionary against a temporal MRF dictionary, (2) synthetic diffusion metrics versus those obtained with a standard diffusion acquisition, and (3) anatomical labels generated from MRF signals to an established segmentation method, demonstrating the potential of using MRF for multiparametric brain mapping.

Item Type: Conference or Workshop Item (Paper)
Date Type: Publication
Status: Published
Schools: Psychology
Publisher: Springer
ISBN: 978-3-319-46726-9
ISSN: 0302-9743
Last Modified: 07 Aug 2019 09:52

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