[Numpy-discussion] Bilateral filter
Zachary Pincus
zachary.pincus at yale.edu
Tue Aug 5 12:29:53 EDT 2008
> Attached here my cython implementation of the bilateral filter,
> which is my first cython program. I would ask for the following:
Thanks for the code! I know it will be of use to me. (Do you place any
particular license on it?)
Zach
On Aug 5, 2008, at 9:38 AM, Nadav Horesh wrote:
> Attached here my cython implementation of the bilateral filter,
> which is my first cython program. I would ask for the following:
>
> • Is there any way to speed up the code just by "cosmetic"
> modifications?
> • In particular I use the unportable gcc function __builtin_abs: Is
> there any way to access this in a portable way?
> • I would like to donate this code to scipy or any other suitable
> project. What can/should I do to realise it?
>
> Remarks:
>
> The code contains 3 end-user routines:
> • A pure python implementation: Easy to read and modify --- it can
> be cut out into a python source code.
> • A straight forward cython implementation: About 4 times as fast
> as the python implementation.
> • An optimised cython implementation earning another factor of 2 in
> speed (depends on the parameters used).
> I see this code as a "research grade" that would evolve in the near
> future, as I am working on a related project, and hopefully
> following your comments.
>
> Nadav
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