[ITK-users] [ITK] Combining two images after registration

[ibraheem aldhamari]

save the images in the same datatype then multiply each image by 0.5 before adding https://itk.org/ITKExamples/src/Filtering/ImageIntensity/MultiplyImageByScalar/Documentation.html 


Best regards and have a nice day!Ibraheem  
      From: Andrew Harris <aharr8 at uwo.ca>
 To: ibraheem aldhamari <ibr_ex at yahoo.com> 
Cc: Insight-users <insight-users at itk.org>
 Sent: Wednesday, February 15, 2017 4:01 PM
 Subject: Re: [ITK-users] [ITK] Combining two images after registration
   
Thanks for getting back to me,I looked at that filter and it has a warning that said “No numeric overflow checking is performed in this filter”, so I assumed that meant that if I put an image through it there would be a simple addition pixelwise across the image.  That would make the overlap region brighter than the non-overlap region which I was trying to avoid. 
--AH

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On Wed, Feb 15, 2017 at 9:42 AM, ibraheem aldhamari <ibr_ex at yahoo.com> wrote:

Hey, In Slicer you can use Add Scalar Volume plugin.  In itk use this :    https://itk.org/Doxygen/ html/classitk_1_ 1AddImageFilter.html    https://itk.org/Wiki/ITK/ Examples/ImageProcessing/ AddImageFilter

Best regards and have a nice day!Ibraheem 

      From: Andrew Harris <aharr8 at uwo.ca>
 To: Insight-users <insight-users at itk.org> 
 Sent: Wednesday, February 15, 2017 3:39 PM
 Subject: [ITK-users] [ITK] Combining two images after registration
  
Hello,Hopefully someone can point me in the right direction.  I have a successful image registration between two images of the same size I have confirmed by outputting two .mha files and blending them in Slicer.  What I would like to be able to do is to combine them within C++ and output a single .mha file. As a further complication, part of the moving image gets left off because the image rotates outside the bounds of the original image size, and it would be preferable if I could figure out how to pad the moving image automatically in the dimensions necessary to prevent this from happening.
Any thoughts are welcome.
--AH

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