Search Results for author: Efrat Shimron

Found 2 papers, 2 papers with code

K-band: Self-supervised MRI Reconstruction via Stochastic Gradient Descent over K-space Subsets

1 code implementation5 Aug 2023 Frederic Wang, Han Qi, Alfredo De Goyeneche, Reinhard Heckel, Michael Lustig, Efrat Shimron

In each training iteration, rather than using the fully sampled k-space for computing gradients, we use only a small k-space portion.

MRI Reconstruction

Subtle Data Crimes: Naively training machine learning algorithms could lead to overly-optimistic results

2 code implementations16 Sep 2021 Efrat Shimron, Jonathan I. Tamir, Ke Wang, Michael Lustig

We demonstrate this phenomenon for inverse problem solvers and show how their biased performance stems from hidden data preprocessing pipelines.

Dictionary Learning MRI Reconstruction

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