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Addition of examples in the harris and peak local max function

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Vincent Albufera
2012-03-26 15:39:59 +02:00
parent 8c9777b967
commit 2aca8cd791
5 changed files with 67 additions and 92 deletions
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doc/examples/plot_harris.py
+11 -15
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@@ -20,28 +20,24 @@ def plot_harris_points(image, filtered_coords):
""" plots corners found in image"""
plt.plot()
plt.imshow(image, cmap=plt.cm.gray)
plt.imshow(image)
plt.plot([p[1] for p in filtered_coords],
[p[0] for p in filtered_coords],
'r.')
'b.')
plt.axis('off')
plt.show()
# display results
plt.figure(figsize=(9, 3))
im_lena = img_as_float(data.lena())
im_text = img_as_float(data.text())
plt.figure(figsize=(8, 6))
im = img_as_float(data.lena())
im2 = img_as_float(data.text())
filtered_coords = harris(im_lena, min_distance=4)
filtered_coords = harris(im, min_distance=4)
plt.axes([0, 0, 0.3, 0.95])
plot_harris_points(im_lena, filtered_coords)
plt.subplot(121)
plot_harris_points(im, filtered_coords)
filtered_coords = harris(im_text, min_distance=4)
filtered_coords = harris(im2, min_distance=4)
plt.subplot(122)
plot_harris_points(im2, filtered_coords)
plt.subplots_adjust(wspace=0.02, hspace=0.02, top=0.9,
bottom=0.02, left=0.02, right=0.98)
plt.axes([0.2, 0, 0.77, 1])
plot_harris_points(im_text, filtered_coords)