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Fix and improve circular hough hough transform example script

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Johannes Schönberger
2013-11-30 19:01:18 +01:00
parent c0af3aaae6
commit 76e0f7a047
1 changed files with 4 additions and 2 deletions
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doc/examples/plot_circular_elliptical_hough_transform.py
+4 -2
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@@ -48,7 +48,7 @@ from skimage.util import img_as_ubyte
image = img_as_ubyte(data.coins()[0:95, 70:370])
edges = filter.canny(image, sigma=3, low_threshold=10, high_threshold=50)
fig, ax = plt.subplots(ncols=1, nrows=1, figsize=(6, 6))
fig, ax = plt.subplots(ncols=1, nrows=1, figsize=(5, 2))
# Detect two radii
hough_radii = np.arange(15, 30, 2)
@@ -77,6 +77,8 @@ ax.imshow(image, cmap=plt.cm.gray)
"""
.. image:: PLOT2RST.current_figure
Ellipse detection
=================
@@ -137,7 +139,7 @@ image_rgb[cy, cx] = (0, 0, 255)
edges = color.gray2rgb(edges)
edges[cy, cx] = (250, 0, 0)
fig2, (ax1, ax2) = plt.subplots(ncols=2, nrows=1, figsize=(10, 6))
fig2, (ax1, ax2) = plt.subplots(ncols=2, nrows=1, figsize=(8, 4))
ax1.set_title('Original picture')
ax1.imshow(image_rgb)