## using simpleITK to load and save data.import SimpleITK as sitk
itk_img = sitk.ReadImage('./nifti.nii.gz')
img = sitk.GetArrayFromImage(itk_img)print("img shape:",img.shape)## save
out = sitk.GetImageFromArray(img)# # out.SetSpacing(itk_img.GetSpacing())# # out.SetOrigin(itk_img.GetOrigin())
sitk.WriteImage(out,'simpleitk_save.nii.gz')