[Insight-users] Distance map calculation using DanielssonDistanceMapImageFilter

[Hanchuan Peng]

The speed depends on the machine you are doing the computation.

There is a fast distance transform method ( Felzenszwalb & Hutenlocher )
which we have extended & re-implemented the codes in 3D (not part of ITK
yet, - we are working on that), but if anybody needs you can download from
the following site (the plugin sample codes of
http://penglab.janelia.org/proj/v3d/V3D/Toolboxes_%26_Related_Software.html
). It can be easily run as a plugin of the V3D system  (
http://penglab.janelia.org/proj/v3d ). I just did some test on my machines
using a 512x512x384 stack:

Linux desktop (2-3 years old): 15-20 seconds
Mac laptop: (1 year old): 35-40 seconds

-hanchuan

On 5/18/10 1:24 PM, "Thupakula" <thupakula.saraswathi at gmail.com> wrote:

> Hi,
> 
> Thanks for the suggestion.
> I tried the maurer filter, It took around 8 minutes for the image size of 
> 512x512x348.
> For the DanielssonDistanceMapImageFilter , I waited like around 1hour , but it
> didnt give me any result.
> 
> Thank you,
> Thupakula.
> 
> 
> 
> On Tue, May 18, 2010 at 6:25 PM, Sergio Vera <sergio.vera at alma3d.com> wrote:
>> Also, what times are you obtaining?
>> 
>> Regards
>> 
>> On Tue, May 18, 2010 at 5:16 PM, Thupakula <thupakula.saraswathi at gmail.com>
>> wrote:
>>> Hi All,
>>> 
>>> I am using DanielssonDistanceMapImageFilter to calculate the distance map
>>> for the 3D image(.mha). But it is taking long time.
>>> 
>>> could any one tell me usually how long will it take to compute the DM for
>>> the image of size like 512x512x348 ?
>>> 
>>> Thank you,
>>> Thupakula.
>>> 
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