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Arithmetics on images with nibabel/numpy
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| import numpy as np | |
| import nibabel as nib | |
| im1 = nib.load('/tmp/path_to_image.nii.gz') | |
| a = np.array(im1.dataobj) | |
| im2 = nib.Nifti1Image(a/2.0, header=im1.header, affine=im1.affine) | |
| im2.to_filename('/tmp/path_to_new_image.nii.gz') |
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