读取nii nii.gz信息输出图像 读取nii或nii.gz文件中的信息即输出图像操作

import matplotlib
from matplotlib import pylab as plt
import nibabel as nib
from nibabel.viewers import OrthoSlicer3D
file = '' #你的nii或者nii.gz文件路径
img = nib.load(file) 
 
print(img)
print(img.header['db_name']) #输出nii的头文件
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()

import SimpleITK as sitk
import skimage.io as io

def read_img(path):
 img = sitk.ReadImage(path)
 data = sitk.GetArrayFromImage(img)
 return data
#显示一个系列图
def show_img(data):
 for i in range(data.shape[0]):
  io.imshow(data[i,:,:], cmap = 'gray')
  print(i)
  io.show()
 
#单张显示
def show_img(ori_img):
 io.imshow(ori_img[100], cmap = 'gray')
 io.show()

#window下的文件夹路径 
path = 'D:\\datasets\\Naso_GTV\\1\\data.nii.gz'
data = read_img(path)
show_img(data)

img = sitk.ReadImage(path)
#查看图片深度
print(img.GetDepth())
#144 共144张图
#查看Size
print(img.GetSize())
#(512,512,144) 像素：512*512， 144张图片