XPDNet for MRI Reconstruction: an Application to the fastMRI 2020 Brain Challenge

10/15/2020 ∙ by Zaccharie Ramzi, et al. ∙ 0

We present a modular cross-domain neural network the XPDNet and its application to the MRI reconstruction task. This approach consists in unrolling the PDHG algorithm as well as learning the acceleration scheme between steps. We also adopt state-of-the-art techniques specific to Deep Learning for MRI reconstruction. At the time of writing, this approach is the best performer in PSNR on the fastMRI leaderboards for both knee and brain at acceleration factor 4.

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