Update sensitivity model to allow full k-space for sensitivity estimation

facebookresearch / fastMRI

A large-scale dataset of both raw MRI measurements and clinical MRI images.

https://fastmri.org

MIT License

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Update sensitivity model to allow full k-space for sensitivity estimation #165

Closed mmuckley closed 3 years ago

mmuckley commented 3 years ago

This PR adds a new feature to the VarNet to allow using the full k-space for sensitivity estimation. The option is enabled by turning off the new mask_center parameter in the VarNet.

While writing this I also realized there were some unused variables in the VarNet tests. I've enabled those variables and removed those which didn't make sense.