Get basic image properties of ITK image

get_image_properties.py

import os
import SimpleITK as sitk

input_directory = os.path.join(os.getcwd(), "data")

for filename in os.listdir(input_directory):
    if filename.endswith(".nii.gz"):
        image = sitk.ReadImage(os.path.join(input_directory, filename))

        # properties
        dims = image.GetDimension()
        origin = image.GetOrigin()
        spacing = image.GetSpacing()
        size = image.GetSize()

        # stats using itk filters
        stats = sitk.StatisticsImageFilter()
        stats.Execute(image)
        min_val = stats.GetMinimum()
        max_val = stats.GetMaximum()
        mean = stats.GetMean()
        std = stats.GetSigma()

        print(f"Image: {filename}")
        print(f"Dimensions: {dims}")
        print(f"Origin: {origin}")
        print(f"Spacing: {spacing}")
        print(f"Size: {size}")
        print(f"Min: {min_val}")
        print(f"Max: {max_val}")
        print(f"Mean: {mean}")
        print(f"Std: {std}")
        print("")