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DOC document and export felzenszwalb_segmentation_grey, prettify plots for the web.

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Andreas Mueller
2012-08-03 11:37:11 +01:00
parent 9a8cb483c4
commit 4d10749a0e
4 changed files with 30 additions and 4 deletions
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doc/examples/plot_quickshift.py
+8 -1
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@@ -33,13 +33,17 @@ img = img_as_float(lena())[::2, ::2, :].copy("C")
segments = quickshift(img, sigma=5, tau=20)
segments = np.unique(segments, return_inverse=True)[1].reshape(img.shape[:2])
print("number of segments: %d" % len(np.unique(segments)))
plt.subplot(131, title="original")
plt.imshow(img, interpolation='nearest')
plt.axis("off")
plt.subplot(132, title="superpixels")
# shuffle the labels for better visualization
permuted_labels = np.random.permutation(segments.max() + 1)
plt.imshow(permuted_labels[segments], interpolation='nearest')
plt.axis("off")
plt.subplot(133, title="mean color")
colors = [np.bincount(segments.ravel(), img[:, :, c].ravel()) for c in
@@ -47,5 +51,8 @@ colors = [np.bincount(segments.ravel(), img[:, :, c].ravel()) for c in
counts = np.bincount(segments.ravel())
colors = np.vstack(colors) / counts
plt.imshow(colors.T[segments], interpolation='nearest')
print("number of segments: %d" % len(np.unique(segments)))
plt.axis("off")
plt.subplots_adjust(wspace=0.02, hspace=0.02, top=0.9,
bottom=0.02, left=0.02, right=0.98)
plt.show()