how can I calculate the pixel value in DICOM image, if I consider each pixel a cube?
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I have 300 stacks of DICOM images of aorta. I meshed the aorta, and I want to know the value of pixels which are within each element of aorta. what should I do?
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William Rose
am 7 Sep. 2023
@Poorya, I'm afraid I cannot assist you, because I do not understand the problem sufficiently. Others on this web site know a lot more than me about DICOM images. I think they will be able to assist you. They will be more likely to help if you post with a small example of your problem, with the associated files.
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Image Analyst
am 7 Sep. 2023
Verschoben: Image Analyst
am 2 Okt. 2023
By "3D mesh volume" do you mean "volumetric image"? By "node" do you mean "voxel"? By "element" do you mean the aorta voxels of the image? You will need to "segment" the image to produe a mask where true=aorta and false = non-aorta. I can't say how to do that without seeing the image but you may want to look at published papers:
and
and you might take a look at imregister
help imregister
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