How to measure the height of an object in image
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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
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/190233/image.jpeg)
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Florian Morsch
am 17 Mai 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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