[Insight-users] why use 3D watershed segmentation is very slow?

[Dženan Zukić]

Just a note here: on my machine (in my project) MedianImageFilter executes
approximately 100 (hundred!) times slower in debug mode than in release mode
(1-2 seconds versus few minutes for image size 512x512x14).

Regards

On Tue, Mar 22, 2011 at 09:43, Sergio Vera <sergio.vera at alma3d.com> wrote:

> Hi there
>
> The first check is to make sure you are using a release version of ITK
> libraries.
> Debug versions are several times slower (6-10 times in my experience)
> Once this is checked, we can start looking at your parameters.
>
> Regards
>
> On Mon, Mar 21, 2011 at 9:29 PM, Dongfeng Han <handongfeng at gmail.com>wrote:
>
>> hello everyone,
>> I use watershed method as shown the example code in ITK, to segment 3D
>> image with size of 300x300x100
>> The pixel type is unsigned short.
>> It's very very slow. may be >20 or 30 min.
>> Any one know how to make it faster?
>> May be I set wrong parameters.
>>
>> best
>> dongfeng
>>
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>
>
> --
> Sergio Vera
>
>  Alma IT Systems
>  C/ Vilana, 4B, 4º 1ª
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>
> _____________________________________
> Powered by www.kitware.com
>
> Visit other Kitware open-source projects at
> http://www.kitware.com/opensource/opensource.html
>
> Kitware offers ITK Training Courses, for more information visit:
> http://www.kitware.com/products/protraining.html
>
> Please keep messages on-topic and check the ITK FAQ at:
> http://www.itk.org/Wiki/ITK_FAQ
>
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