How to measure the height of an object in image

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sana3 sal
sana3 sal on 1 May 2018
Answered: Florian Morsch on 17 May 2018
Hello I have the next image of lumber spin disk located between L4-L5 vertebra, I need to detect the disk as an object to evaluate its height

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Florian Morsch
Florian Morsch on 17 May 2018
Extract the object (with edge detector for exsample), get its measurements in pixel (with regionprops() ) and then have a reference on the conversion from pixel to real world measurement units ( e.g. 1 pixel = 2 mm so if the object is 20 pixel in height its around 40 mm in real world.

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