Keywords: Software Tools, Software Tools
Motivation: Existing open-source GRAPPA implementations, such as pygrappa, are slow in some cases.
Goal(s): To develop a high-performance, open-source GRAPPA algorithm for faster reconstruction of uniformly undersampled data.
Approach: We implemented PyTorch-based GRAPPA algorithm that can use either CPU or GPU.
Results: Tests with 8- and 32-channel MRI data showed that our implementation delivers similar image quality to pygrappa but with significantly reduced runtime.
Impact: This approach enables faster MRI reconstructions, making it suitable for many applications.
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