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<p>[QUOTE=&quot;big tacy, post: 2943072, member: 91865&quot;]I&#039;ve also been working on this. I thought I could OCR photos. Then realized that would not work. Resize then match but what about the bright or dark. Then I thought</p><p>I could use a 3d scan to measure the height of the</p><p>ridges. Later I realized my sensors could only read cm. Which was way to big I&#039;d need nano meters or something.</p><p>Speed at which this would work is a small issue. However </p><p>accuracy is highly important. Measuring the surface of the</p><p>coin would be critical. I will keep experimenting. One thing I thought of out of scope was a chip (sipo) so i could open</p><p>and close gates for a drop off collector. So i could fill rolls by date. Either way I wish to know your progress.[/QUOTE]</p><p><br /></p>

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