2017

A Deep Cascade of Convolutional Neural Networks for MR Image Reconstruction

Schlemper, Jo, Caballero, Jose, Hajnal, Joseph V. et al.

Understand

The acquisition of Magnetic Resonance Imaging (MRI) is inherently slow.

  • Inspired by recent advances in deep learning, we propose a framework for reconstructing MR images from undersampled data using a deep cascade of convolutional neural networks to accelerate the data acquisition process.
  • We show that for Cartesian undersampling of 2D cardiac MR images, the proposed method outperforms the state-of-the-art compressed sensing approaches, such as dictionary learning-based MRI (DLMRI) reconstruction, in terms of reconstruction error, perceptual quality and reconstruction speed for both 3-fold and 6-fold undersampling.
  • Compared to DLMRI, the error produced by the method proposed is approximately twice as small, allowing to preserve anatomical structures more faithfully.

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