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gGRAPPA: A generalized GRAPPA for MRI reconstruction

A generalized GRAPPA reconstruction package accelerated by GPU

gGRAPPA is a Python package allowing GRAPPA reconstruction of k-space data, with batching capabilities allowing huge files to be reconstructed on GPU.

Features

  • GRAPPA Reconstruction: Efficiently reconstructs MRI images using the GRAPPA algorithm, which improves imaging speed while maintaining quality.
  • GPU Acceleration: Utilizes CUDA for GPU acceleration to speed up computation, with various CUDA modes to balance performance and memory usage.
  • Batch Processing: Processes reconstruction as batched windows to allow GPU acceleration for large data.
  • Flexible Kernel Size: Supports customizable GRAPPA kernel sizes to suit various needs.
  • Precomputed Kernels: Allows the use of precomputed GRAPPA kernels for faster reconstruction, or computes them on-the-fly if not provided.
  • Generalized GRAPPA: CAIPIRINHA support (still WIP)
  • Masking: Allow use of a binary mask to focus reconstruction on specific regions of interest.

Installation

To install this package, follow these steps:

  1. Clone the Repository

    First, clone the repository:

     git clone git@github.com:mbertrait/ggrappa.git

  2. Navigate to the Project Directory

     cd ggrappa

  3. Install the Package

    Install the package and its dependencies using pip:

     pip install .