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2016-03-24 15:34:20 -0600 asked a question Industrial measurements

My experience is with industrial vision systems - Cognex Omron, and similar.

I am looking for width measurement functions similar to what they do... so far, I cannot find them. Am I searching for the wrong terms, or is this a function not commonly used outside of industrial measurement systems?

Full description of what I want: Get full image - assume a single bright object on a black background. Define a ROI (rectangle) Normalize it if not already aligned with the axis of interest. Also compress it to 1D Run a gradient filter on it Look for a minimum and maximum and compute the distance in pixels between the 2 edges