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X-WR-CALDESC:FAU DCN-AvH. Chair for Dynamics, Control, Machine Learning and Numerics -Alexander von Humboldt Professorship
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DTSTART;TZID=Europe/Berlin:20221102T101500
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SUMMARY:Machine learning for MR image reconstruction: From first results to ongoing challenges
DESCRIPTION:Next Wednesday, November 2, 2022:\nEvent: FAU DCN-AvH Seminar\nOrganized by: FAU DCN-AvH, Chair for Dynamics, Control and Numerics – Alexander von Humboldt Professorship at FAU, Friedrich-Alexander-Universität Erlangen-Nürnberg (Germany)\nTitle: TBA\nSpeaker: Prof. Dr. Florian Knoll\nAffiliation: AIBE, Department Artificial Intelligence in Biomedical Engineering. FAU Friedrich-Alexander-Universität Erlangen-Nürnberg (Germany)\nWHERE?\nOn-site / online\nOn-site:\nRoom 04.363\nFriedrich-Alexander-Universität Erlangen-Nürnberg\nDepartment Informatik (next to Übungraum 01.254 of Department Mathematik.)\nCauerstraße 11, 91058 Erlangen\nGPS-Koord. Raum: 49.573713N, 11.030428E\nOnline:\nZoom meeting link\nMeeting ID: 614 4658 159 | PIN code: 914397\nAbstract. Six years ago, machine learning techniques have been first introduced to solve the inverse problem of MR image reconstruction from undersampled data from accelerated acquisitions (1,2,3). Since then, the field has grown substantially, and a wide range of machine learning methods have been developed and applied to a wide range of imaging applications. In this talk, I will start with the background of a machine learning reconstruction that is based on iterative reconstruction methods used in compressed sensing and maps the reconstruction problem onto a neural network. I will discuss advantages and ongoing challenges, covering design of the network architecture and the training procedure, error metrics, computation time, generalizability and validation of the results. This includes a discussion of the lessons learnt from the recent fastMRI image reconstruction challenges (4,5).\nReferences\n1. Learning a variational model for compressed sensing MRI reconstruction. Hammernik, et al. Proc. ISMRM p33 (2016).\n2. Accelerating magnetic resonance imaging via deep learning. Wang et al. IEEE ISBI 514-517 (2016).\n3. Hammernik et al. Learning a Variational Network for Reconstruction of Accelerated MRI Data. MRM, 79:3055-3071 (2018).\n4. Advancing machine learning for MR image reconstruction with an open competition: Overview of the 2019 fastMRI challenge. Knoll et al. MRM 84 (6), 3054-3070 (2020).\n5. Results of the 2020 fastmri challenge for machine learning MR image reconstruction. Muckley et al. IEEE TMI 40 (9), 2306-2317(2021).\nThis event on LinkedIn\n
URL:https://dcn.nat.fau.eu/events/machine-learning-for-mr-image-reconstruction-from-first-results-to-ongoing-challenges/
ORGANIZER;CN=FAU DCN-AvH:MAILTO:
CATEGORIES:FAU DCN-AvH Seminar,Seminar/Talk
LOCATION:DDS, Friedrich-Alexander-Universität Erlangen-Nürnberg
ATTACH;FMTTYPE=image/png:https://dcn.nat.fau.eu/wp-content/uploads/FAUDCNAvH-seminar-02nov2022-fKnoll.png
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