Range of beta values in segmentation algorithm?

[Yuta Sato]

In the following skimage.segmentation.random_walker algorithm:
What is the range of 'beta' values that can be supplied?
I am working with a single band 8bit unsigned image.

Is it 0 to 255?


skimage.segmentation.random_walker(data, labels, beta=130, mode='bf',
tol=0.001, copy=True,multichannel=False, return_full_prob=False,
spacing=None)

beta : float [Penalization coefficient for the random walker motion (the
greater beta, the more difficult the diffusion)]

Thanks for your support.
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