Custom Application - Glass Bottle Inspection System - Measurement of Bottle Shoulder
Circularity
This is a real-time glass bottle inspection application which is integrated
into an assembly line. One of the measurements is the circularity of the
shoulder of the glass bottle. The center of the best fit circle is also
returned as a measurement. All of these measurements are performed to
subpixel accuracy, so that the resolution of the imaging system is enhanced
by a factor of four. The bottles being measured are on a conveyor line that
presents bottles at a rate of over 60 per minute. Multiple measurements per
bottle are made including thread diameter, pitch, width, height, shoulder
and base measurements, as well as presence/absence.
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