wassname/scikit-image
1
0
Fork 0
mirror of https://github.com/wassname/scikit-image.git synced 2026-07-24 13:20:43 +08:00
Code Issues Packages Projects Releases Wiki Activity

Fix ratio scaling in SLIC

Browse Source
This commit is contained in:
Juan Nunez-Iglesias
2013-07-22 20:19:24 +10:00
parent dc27babee2
commit aadd346964
1 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
skimage/segmentation/slic_superpixels.py
+2 -2
View File
@@ -122,11 +122,11 @@ def slic(image, n_segments=100, ratio=10., max_iter=10, sigma=1,
means = np.ascontiguousarray(means)
# we do the scaling of ratio in the same way as in the SLIC paper
# so the values have the same meaning
ratio = (ratio / float(max((step_z, step_y, step_x)))) ** 2
ratio = float(max((step_z, step_y, step_x))) / ratio
image_zyx = np.concatenate([grid_z[..., np.newaxis],
grid_y[..., np.newaxis],
grid_x[..., np.newaxis],
image / ratio], axis=-1).copy("C")
image * ratio], axis=-1).copy("C")
nearest_mean = np.zeros((depth, height, width), dtype=np.intp)
distance = np.empty((depth, height, width), dtype=np.float)
segment_map = _slic_cython(image_zyx, nearest_mean, distance, means,