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Abstract #4260

Theoretical Design and Image Reconstruction of an 8-element Receive-only Surface Coil Array for the 1.0 T Australian MRI-Linac System

Mingyan Li1, Ewald Weber1, Aurelien Destruel1, Feng Liu1, and Stuart Crozier1
1School of Information Technology and Electrical Engineering, The University of Queensland, Brisbane, Australia

The whole-body coil of the Australian MRI-Linac system can produce images without interfering with the Linac beam during radiotherapy. However, the whole-body coil is distant from the patient, causing lower SNR and is not parallel imaging capable. According to the radiotherapy treatment requirement, an 8-element surface coil array was designed to be radio-transparent and the corresponding imaging algorithms were developed for this coil array. The simulation results showed that the proposed coil array has improved SNR compared to the whole-body coil, and a reduction rate of three can be achieved in parallel imaging without prominent aliasing artefacts.

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