[Insight-users] How to use the itkSubtractImagFilter.h

[Anders Almås]

Hi!

I am new to ITK and I am trying to learn how to use it in segmentation. My
PROBLEM is for now how to  use the itkSubtractImageFilter.h Should there
be two lines to set the input?

subtractImages->SetInput(GrayscaleErode->GetOutput());
subtractImages->SetInput(reader->GetOutput());

Where GrayscaleErode is of GrayScaleErodeFilter and reader is the input
image...

What is wrong??

I have instaniated the headerfile and made an typedef

typedef
itk::SubtractImageFilter<InputImageType,OutputImageType,OutputImageType>
SubtractImageType;

SubtractImageType::Pointer subtractImages = SubtractImageType::New();

Please give me some clues!!

Thanks

Anders

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