[ITK] [ITK-users] amount of smoothing ITK pyramid scheme

[Emma Saunders]

Hello all,

It is common to smooth images with a Gaussain with particular variance.  I
have read that the extent of smoothing should depend upon the amount of
noise pattern in the images.  It's also common to have higher smoothing
values with higher shrink values.

I am wondering how users first determine the amount of smoothing, do they
make any actual measurements which represent the noise pattern in the
images?  Also is there a mechanism to determine how this level of noise
varies dependent upon the shrink factor in a multi pyramid scheme?

Thanks for any help

Emma
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