'How to convert numpy array to nifiti file?
It's as simple as that :) I hope this help you out as well.
import numpy as np
import nibabel as nib
converted_array = np.array(normal_array, dtype=np.float32) # You need to replace normal array by yours
affine = np.eye(4)
nifti_file = nib.Nifti1Image(converted_array, affine)
nib.save(nifti_file, path_to_save) # Here you put the path + the extionsion 'nii' or 'nii.gz'
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