[Insight-users] Distance transform in a hurry

[Bill Lorensen]

How does it compare to BasicFilters/itkSignedMaurerDistanceMapImageFilter

On Thu, Aug 12, 2010 at 3:10 PM, Benjamin King <benjaminking at web.de> wrote:
> Hello,
>
> in case you need a fast (squared) euclidean distance transform, you should
> probably give the one in http://hdl.handle.net/1926/196 a shot. I have just
> uploaded a new revision (the bigger archives) that is playing well with L1
> cache and is able to use OpenMP in case you pass gcc the -fopenmp flag (or
> whatever enables OpenMP in your compiler).
>
> I have had measured 20-30 times speedup in comparison to
> DanielssonDistanceMapImageFilter, but depending on your hardware, the
> typical image sizes you have and availability of OpenMP to you, your mileage
> will vary.
>
> If you find good results or areas for improvement, don't hesitate to write a
> review. I promise that I will not wait four years again to come back to it
> ;-)
>
> cheers,
>        Benjamin
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