Description: For magnetic resonance images, we can use a Fermi filter to the image for filtering. After the selection of the area of the air and the area of the image,then calculate the mean value and standard deviation value of both. Finally ,we can obtain the conclusion the new SNR value .
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File list (Check if you may need any files):
dif_fermi_filter\dif_fermi_filter.m
................\sample_image.mat
dif_fermi_filter
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