Imports and Functions Latest Page Update: 23-09-2026 Start by importing some useful functions: import numpy as np import matplotlib.pyplot as plt import scipy.io as sio And the data: in_dir = 'data/' in_file = 'ex6_ImagData2Load.mat' data = sio.loadmat(in_dir + in_file) ImgT1 = data['ImgT1'] ImgT2 = data['ImgT2'] ROI_GM = data['ROI_GM'].astype(bool) ROI_WM = data['ROI_WM'].astype(bool)