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BUG: fast_homography: Fix constant mode.

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Stefan van der Walt
2011-09-25 17:32:32 -07:00
parent 2d94a273f6
commit 2b71fd9a0e
2 changed files with 8 additions and 4 deletions
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scikits/image/transform/tests/test_project.py
+7 -3
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@@ -40,16 +40,20 @@ def test_fast_homography():
for mode in ('constant', 'mirror', 'wrap'):
print 'Transform mode:', mode
p0 = homography(img, H, mode=mode)
p0 = homography(img, H, mode=mode, order=1)
p1 = fast_homography(img, H, mode=mode)
p1 = np.round(p1)
## import matplotlib.pyplot as plt
## plt.imshow(np.abs(p0 - p1), cmap=plt.cm.gray)
## f, (ax0, ax1, ax2, ax3) = plt.subplots(1, 4)
## ax0.imshow(img)
## ax1.imshow(p0, cmap=plt.cm.gray)
## ax2.imshow(p1, cmap=plt.cm.gray)
## ax3.imshow(np.abs(p0 - p1), cmap=plt.cm.gray)
## plt.show()
d = np.mean(np.abs(p0 - p1))
assert d < 0.1
assert d < 0.2
if __name__ == "__main__":