参考程序：

查看和显示nii.gz文件

import matplotlibfrom matplotlib import pyplot as plt
import nibabel as nib
from nibabel import nifti1
from nibabel.viewers import OrthoSlicer3D

example_filename = 'data/PSE1.nii.gz'
img = nib.load(example_filename)
print(img)
print(img.header['db_name'])  # 输出头信息

#shape有四个参数 patient001_4d.nii.gz
#shape有三个参数 patient001_frame01.nii.gz   patient001_frame12.nii.gz
#shape有三个参数  patient001_frame01_gt.nii.gz   patient001_frame12_gt.nii.gz
width, height, queue = img.dataobj.shape
OrthoSlicer3D(img.dataobj).show()

num = 1
for i in range(0, queue, 10):
    img_arr = img.dataobj[:, :, i]
    plt.subplot(5, 4, num)
    plt.imshow(img_arr, cmap='gray')
    num += 1

plt.show()