[Insight-users] Grayscale to RGB

[Abayiz]

Hi all,

I recently obtained a deformation field by elastic registration, then calculated its divergence. What I am trying to do now is to show the divergence on the original image. I want to change the divergence for RGB. I tried "grayscale to RGB filter", but the result is all black. 


The attachment is the divergence. Is there any suggestion for how to do it? And, is there any way to calculate strain of this deformation field in ITK?


Many thanks in advance. 


Regards,
Abayiz 
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