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How to calculate the arterial wall thickness on an image?

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Cretu Ioana
Cretu Ioana 2020-3-27
回答： darova 2020-3-27
Hi everybody!
I am a beginner in Matlab, and I do not know how I should approach this problem.
After I used the region growing to segment the common carotid artery wall, which has a plaque (stage III), I have to calculate the blockage percentage according to the wall thickness. I calculate the thickness using imtool, but how do I transform it in millimetres? An ideal wall thickness of the carotid artery is 0.7mm.
Thank you!

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darova
darova 2020-3-27
You should have some scale parameters
Here is idea:
human = 45 * 3/100 = 1.35 [m]

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