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breeko/drawing_hog.py

Created August 22, 2019 01:17
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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()
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