An illustration of overflow problem arising when working with integers

../../../_images/plot_camera_uint_1.png

Python source code: plot_camera_uint.py

import matplotlib.pyplot as plt
from skimage import data
camera = data.camera()
camera_multiply = 3 * camera
plt.figure(figsize=(8, 4))
plt.subplot(121)
plt.imshow(camera, cmap='gray', interpolation='nearest')
plt.axis('off')
plt.subplot(122)
plt.imshow(camera_multiply, cmap='gray', interpolation='nearest')
plt.axis('off')
plt.tight_layout()
plt.show()