[Insight-users] image substraction

[Luis Ibanez]

Hi David,


You may want to use the SubtractImageFilter

http://www.itk.org/Insight/Doxygen/html/classitk_1_1SubtractImageFilter.html

Note that this filter requires the two input images to
have the same number of pixels along every direction.

For a summary of the filters that alter image intensities,
please look at:

http://www.itk.org/Insight/Doxygen/html/group__IntensityImageFilters.html



Regards,


    Luis




------------------------
David Macias Verde wrote:
> Hi all:
> 
> Is there anyway to substract a piece of an image? I mean I want to
> substract the canny edges of two binary threshold filtered images from
> the canny edged models of the original images, once the two first have
> been aligned with certain registration algorithm. This alignment will be
> used to register the structures inside the borders of the canny edged
> images (patient structures), not taken into account its outer contour,
> which are, in my case, the multileaf collimator of a linear accelerator
> used in Radiotherapy treatments.
> 
> Thanks in advance,
> 
> David Macias-Verde
> 
> 
> 
> 
> 
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