[Insight-users] Resampling a binary image

[Erik Tuerke]

M.Staring at lumc.nl wrote:
> Hi Erik,
>
> It may be that the binary image is not at the same physical location as the intensity image. If that happens you are resampling outside the image domain and the output value will default m_DefaultPixelValue, which I am guessing was set to 0. You may want to check the spacing, origin, etc of the binary image.
>
> Regards,
>
> Marius
>
> -----Original Message-----
> From: insight-users-bounces at itk.org [mailto:insight-users-bounces at itk.org] On Behalf Of Erik Tuerke
> Sent: woensdag 11 mei 2011 10:35
> To: insight-users at itk.org
> Subject: [Insight-users] Resampling a binary image
>
> Hi!
>
> I am facing a weird problem when trying to resample a binary image.
> After resampling all values of the image are 0. It does not matter what kind of transform i am using. I also tried an identity transform.
> I used the LinearInterpolator, the NearestNeighborInterpolator and the BSplineInterpolator. The result is always the same.
> It also does not matter if the input binary has min-max values of 0:1 or
> 0:255 or whatever.
>
> I tried version 3.16 and version 3.20 but it makes no difference.
> For intensity images the resampling works totally fine.
>
> Does anybody has a solution for me?
>
> Thanks in advance!
>
> --
> Erik Türke
> Department of Neurophysics
> Max-Planck-Institute for Human Cognitive and Brain Sciences Stephanstrasse 1A
> 04103 Leipzig
> Germany
> Tel: +49 341 99 40-2440
> Email: tuerke at cbs.mpg.de
> www.cbs.mpg.de
>
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Hi!

Yeah thanks, you are right. I was convinced they are in the same space. 
Thanks!

-- 
Erik Türke
Department of Neurophysics
Max-Planck-Institute for Human Cognitive and Brain Sciences
Stephanstrasse 1A
04103 Leipzig
Germany
Tel: +49 341 99 40-2440
Email: tuerke at cbs.mpg.de
www.cbs.mpg.de