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<p>[QUOTE=&quot;bbxx, post: 1712223, member: 51989&quot;]wkw427, I know how to make the machine, but I am trying to figure out if it is worthwhile.&nbsp; You would need an image of each side, with the date and mint marks removed from the image.&nbsp; You&#039;d rotate these images into multiple images, in memory; maybe an image for each angle between 1-360.&nbsp; You&#039;d use edge detection, and match the closest image.&nbsp; If the closest image is not within a certain tolerance, you put it into the reject bin.&nbsp; At this point you know where the date and mint marks should be, so you can do OCR to determine the date / mint mark.[/QUOTE]</p><p><br /></p>

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