MRI-based measurement of the transfer function of elongated metallic implants without transceive phase approximation.
Michael Eijbersen1,2, Bart Steensma1,2, Cornelis A.T. van den Berg1,2, and Alexander J.E. Raaijmakers1,2,3
1Radiotherapy, UMC Utrecht, Utrecht, Netherlands, 2Computational Imaging Group, UMC Utrecht, Utrecht, Netherlands, 3Biomedical Engineering, Eindhoven University of Technology, Eindhoven, Netherlands
A new computational method is presented for determining a transfer function of implants using a MRI only paradigm. By relaxing the transciever phase approximation better results are obtained for longer implants, however an optimization for both B1+ and B1- based on magnitude only maps is required.
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