How to get HU values at each fiducial points.

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I would like to know how I can get HU values at multiple fiducial points in the same group.
Ultimately, I’d like to get the HU values of the pixels corresponding to the vertices of the STL model placed in the CT volume data in a tabular format.

I was able to convert each vertex of the STL model to fiducial, as shown in the attached figure.

For these fiducial, is it possible to get the HU value and coordinate values of the pixels in which each of them is located in a table format?

I appriciate all supports from comunity members.

example|690x388

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2 posts were merged into an existing topic: How to get HU values at each fiducial points