[ITK] Hyperspectral images resampling

Matt McCormick matt.mccormick at kitware.com
Fri Sep 12 09:37:24 EDT 2014


Hi Jean-Charles,

If the spectral components are treated as the third dimension, then
the image can be resampled with the ResampleImageFilter with a
low-pass filter to prevent aliasing [1] or with the BinShrinkFilter
[2].

Hope this helps,
Matt

[1] http://www.itk.org/Doxygen/html/Filtering_2SubsampleVolume_8cxx-example.html

[2]  http://www.itk.org/Doxygen/html/classitk_1_1BinShrinkImageFilter.html

On Fri, Sep 12, 2014 at 3:59 AM, QUILLET Jean-Charles
<jean-charles.quillet at alyotech.fr> wrote:
> Hello,
>
>
>
> I need to resample hyperspectral images along the third dimension. I mean,
> let's say I have an image with 200 bands. Can I resample the image to have
> 100 bands ?
>
>
>
> I'm pretty sure it is possible to do it with Itk. Can you confirm me this ?
> Can someone point me to the right direction (documentation, example) ?
>
> Thanks,
>
>
>
> Jean-Charles
>
>
>
>
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