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Merge pull request #1750 from jni/slic-param-scan

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Refine docstring for 'compactness' kwarg in SLIC
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Stefan van der Walt
2015-10-20 14:44:43 -07:00
parent 85d5e7c584 7212fe3e82
commit 3c3a636e03
1 changed files with 7 additions and 4 deletions
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skimage/segmentation/slic_superpixels.py
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@@ -25,10 +25,13 @@ def slic(image, n_segments=100, compactness=10., max_iter=10, sigma=0,
n_segments : int, optional
The (approximate) number of labels in the segmented output image.
compactness : float, optional
Balances color-space proximity and image-space proximity. Higher
values give more weight to image-space. As `compactness` tends to
infinity, superpixel shapes become square/cubic. In SLICO mode, this
is the initial compactness.
Balances color proximity and space proximity. Higher values give
more weight to space proximity, making superpixel shapes more
square/cubic. In SLICO mode, this is the initial compactness.
This parameter depends strongly on image contrast and on the
shapes of objects in the image. We recommend exploring possible
values on a log scale, e.g., 0.01, 0.1, 1, 10, 100, before
refining around a chosen value.
max_iter : int, optional
Maximum number of iterations of k-means.
sigma : float or (3,) array-like of floats, optional