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3D Object length

davek604davek604
in Image-Pro General Discussions

Hello

I have some images with a lot of small 3D objects that I need accurate length measurements for, the problem is that they are often crescent shaped so the bounding box type and feret type measurements don't give the objects true length. The Max radius half solves the problem but is there any way to measure the actual length of the object from endpoint to endpoint without having to manually draw lines. I guess there probably is but I've just missed it, any help appreciated.

Regards

David

Best Answer

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    davek604davek604
    Answer ✓

    Skeletonise the object and if there are no branch points simply count the number of pixels to get a length in pixels which can then be calibrated to a micron measurement. Thank you to David Wiles for the solution

    Regards

    David

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