drawing_hog.py

fig, axes = plt.subplots(nrows=4,ncols=1, figsize=(12, 24))

axes[0].axis('off')
axes[0].imshow(cumberbatch, cmap=plt.cm.gray)
axes[0].set_title('Input image')

pixels_per_cell = np.array([16,16])

for ax in axes.ravel()[1:]:
    fd, hog_image = hog(cumberbatch, orientations=8, pixels_per_cell=pixels_per_cell,
                        cells_per_block=(1, 1), visualize=True)

    hog_image_rescaled = exposure.rescale_intensity(hog_image, in_range=(0, 15))
    
    ax.axis('off')
    ax.imshow(hog_image_rescaled, cmap=plt.cm.gray)
    ax.set_title('HOG\n{}'.format(pixels_per_cell))
    pixels_per_cell *= 2

plt.tight_layout()
plt.show()