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I hadn't realized I was reusing cc in the loop, so it would crash after one iteration.

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And I had changed the second orientation, which probably wasn't correct
This commit is contained in:
Ivo Flipse
2015-06-19 08:51:54 +02:00
parent 167c8eeeb6
commit 51e683f665
1 changed files with 5 additions and 7 deletions
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skimage/feature/_hog.py
+5 -7
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@@ -125,17 +125,15 @@ def hog(image, orientations=9, pixels_per_cell=(8, 8),
radius = min(cx, cy) // 2 - 1
orientations_arr = np.arange(orientations)
dx_arr = radius * np.cos(orientations_arr / orientations_arr * np.pi)
dy_arr = radius * np.sin(orientations_arr / orientations_arr * np.pi)
cc = cy + cy
cr = cx + cx
dx_arr = radius * np.cos(orientations_arr / orientations * np.pi)
dy_arr = radius * np.sin(orientations_arr / orientations * np.pi)
cr2 = cy + cy
cc2 = cx + cx
hog_image = np.zeros((sy, sx), dtype=float)
for x in range(n_cellsx):
for y in range(n_cellsy):
for o, dx, dy in zip(orientations_arr, dx_arr, dy_arr):
centre = tuple([y * cc // 2, x * cr // 2])
centre = tuple([y * cr2 // 2, x * cc2 // 2])
rr, cc = draw.line(int(centre[0] - dx),
int(centre[1] + dy),
int(centre[0] + dx),