[SciPy-User] variable smoothing kernel
Christopher Barker
Chris.Barker at noaa.gov
Sat Mar 26 14:45:49 EDT 2011
On 3/26/11 5:52 AM, Wolfgang Kerzendorf wrote:
> I'm interested in having a gaussian smoothing where the kernel depends
> (linearly in this case) on the index where it is operating on. I
> implemented it myself (badly probably) and it takes for ever, compared
> to the gaussian smoothing with a fixed kernel in ndimage.
I don't know of any code that does this out of the box.
If you post you code here, folks may be able suggest ways to improve the
performance.
There is a limit to how fast you can do this with pure python, if you
want do better than that, give Cython a try -- this would be pretty easy
to write with Cython:
http://wiki.cython.org/tutorials/numpy
-Chris
--
Christopher Barker, Ph.D.
Oceanographer
Emergency Response Division
NOAA/NOS/OR&R (206) 526-6959 voice
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Chris.Barker at noaa.gov
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