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How to display CT volume which corrected with slice thickness in z-axis

Hello everyone
I have a number of CT image and I've done with combined and sorting all of the axial slices to create 3D volume already.
But, I wish to display with the real image size.
I mean in z-axis should show as calculated by slice thickness,
x and y-axis show image size with multiply by pixel spacing by the way.
Now, the matrix of 3D volume is 512x512x78 the pixel spacing is 0.7813 and slice thickness is 2 mm
thank you


I just want to show the real volume of CT from axial slice to identifying the real ROI shape and volume in 3D.
I guess you need to interpolate some data to fit spacing between slices to same value as spacing between pixels.

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