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From: | Tony Richardson |
Subject: | Re: Vectorized version of nlfilter |
Date: | Sun, 19 Jul 2020 05:57:47 -0500 |
On 7/19/20 3:31 AM, Tony Richardson wrote:
> OK. I've cleaned up my alternate version of colfilt a bit. It allows
> for neighborhood processing of only selected pixels instead of all
> pixels. Neighbors can be specified by row and column offsets instead of
> using all neighbors in a rectangular region. (This can result in less
> memory usage than colfilt if only a few neighbors of a percentage of the
> pixels in an image are to be processed.) I would guess that it could be
> faster too (although probably not significantly so), but I haven't tried
> to measure that.
>
> Tony
Thank you Tony, for your image package [1] contribution. This
mailing-list is intended for users of Octave to get help. Code
contributions are better suited for the patch tracker [2] and are easily
forgotten on the mailing list. Was it possible to upload your file there?
Kai
[1] https://octave.sourceforge.io/list_functions.php?q=nlfilter&sort=package
[2] https://savannah.gnu.org/patch/?func=additem&group=octave
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