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mckib2
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pygrappa
Python implementations of GRAPPA-like algorithms.
https://pygrappa.readthedocs.io/en/latest/
MIT License
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Python grappa
#2
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mckib2
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5 years ago
mckib2
commented
5 years ago
More efficient implementation using skimage.view_as_windows to extract kernel calibration data
Temporary files storing numpy.memmaps are used to mitigate the memory intensive window storage
Python port of Lutig's MATLAB script has been moved to lustig_grappa
display argument has been removed from function signature
When calibrating weights, explicit inverse has been replaced by using numpy.linalg.solve
Runs much faster than lustig_grappa, most of the time is spent generating windowed views of the data