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Abstract #2922

High Resolution MR Reconstruction with Functionally Separate Neural Networks

Hideaki Kutsuna1, Shun Uematsu2, and Kensuke Shinoda2
1MRI Systems Development Department, Canon Medical Systems Corporation, Kanagawa, Japan, 2MRI Systems Development Department, Canon Medical Systems Corporation, Tochigi, Japan

Synopsis

Keywords: Image Reconstruction, Machine Learning/Artificial Intelligence, Super resolutionThe authors propose a new reconstruction method to obtain higher resolution images from an MR acquisition. The method incorporates MR physics and two neural networks, which are functionally separate, for denoising and upsampling. The proposed method was evaluated by applying it to both retrospectively and prospectively undersampled data. The result showed that the proposed technique is capable of reconstructing higher resolution images over a conventional method, by multiplying the matrix size while keeping more detail structure in the originally sampled data.

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Keywords