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Benchmarking MRI Reconstruction Neural Networks on Large Public Datasets

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Academic year: 2021

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Figure 1: Illustration of the U-net from [27]. In our case the output is not a segmentation map but a reconstructed image of the same size (we perform zero-padding to prevent decreasing sizes in convolutions).
Figure 2: The common backbone between the Cascade net, the KIKI-net and the PD-net. US mask stands for under-sampling mask
Figure 4: Illustration of the KIKI-net from [9]. The KCNN and ICNN are convo- convo-lutional neural networks composed of a number of convoconvo-lutional blocks varying between 5 and 25 (we implemented 25 blocks for both KCNN and ICNN), each followed by a R
Figure 5: Illustration of the PD-net from [8]. Here T denotes the measurement operator, which in our case is the under-sampled Fourier transform, T ∗ its adjoint, g is the measurements, which in our case are the undersampled  k-space measurements, and f 0
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