[vtkusers] Please help me to solve a problem about show 3d dicom image

Ricardo A Corredor ra.corredor at gmail.com
Mon Dec 2 16:41:02 EST 2013

Hi Kai Zhu,

I think that you should go step by step. You should know that a DICOM image
is like a 3D matrix with values at each position. What you show on the
screenshots are 3D meshes which are the result of a process over that 3D
matrix. So normally, you should extract first the 3D mesh to map some values
over it. The mapping however can be easily made using Paraview for example.
I have one little article in my blog (it's in spanish but you can try to run
a translator and if you need it urgently maybe I can put it in English) that
makes more or less what you want:
In that case, it maps over a surface (extracted via a Iso-countour filter)
the original intensity values within an image that is in format MHD but
originally was a DICOM image (DICOM to MHD conversion is not hard).

Good luck with that!


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