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Automatically measure width

Posted by Andrew Sanchez on Aug 27, 2015; 8:23pm
URL: http://imagej.273.s1.nabble.com/Automatically-measure-width-tp5014170.html

Dear all,

I could use some suggestions for how to proceed with the problem of writing a macro to automatically measure the width of an object.  I am kind of stumped as to how I can get ImageJ to detect the borders of the object I need to measure, as it will not be the same color in all images.

Here is an example of what I am working with: https://drive.google.com/file/d/0B208tul7KbkbQ3VCaFloOU9VVjQ/view?usp=sharing



The measurement I need is from point G-H.  Any advice would be greatly appreciated.

Thank you,
Andrew