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Merge pull request #322 from JDWarner/random_walker_docfix

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DOC: Documentation fix for `labels` input in random_walker_segmentation.py.
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Stefan van der Walt
2012-09-17 16:14:12 -07:00
parent 6c125ea5fe ee2092c6fa
commit b5362526f6
1 changed files with 4 additions and 2 deletions
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skimage/segmentation/random_walker_segmentation.py
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@@ -190,13 +190,15 @@ def random_walker(data, labels, beta=130, mode='bf', tol=1.e-3, copy=True,
channels. Data spacing is assumed isotropic unless depth keyword
argument is used.
labels : array of ints, of same shape as `data`
labels : array of ints, of same shape as `data` without channels dimension
Array of seed markers labeled with different positive integers
for different phases. Zero-labeled pixels are unlabeled pixels.
Negative labels correspond to inactive pixels that are not taken
into account (they are removed from the graph). If labels are not
consecutive integers, the labels array will be transformed so that
labels are consecutive.
labels are consecutive. In the multichannel case, `labels` should have
the same shape as a single channel of `data`, i.e. without the final
dimension denoting channels.
beta : float
Penalization coefficient for the random walker motion