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<p>[QUOTE="GDJMSP, post: 3913274, member: 112"]This coin for example. I took both sets of pictures, seconds apart. Never changed a single camera setting. The only change made was to the angle of the lights, and it was only a tiny change. And this was the outcome.</p><p><br /></p><p>[ATTACH=full]1031399[/ATTACH] [ATTACH=full]1031400[/ATTACH] </p><p><br /></p><p><br /></p><p><br /></p><p>[ATTACH=full]1031401[/ATTACH] [ATTACH=full]1031402[/ATTACH] </p><p><br /></p><p><br /></p><p>Now if a simple thing like changing the angle of the light by a 1/4 inch can do that - something that radically different, imagine what any other change can do !</p><p><br /></p><p>The only way that a program, a machine can learn to grade is if all the pics/scans are done in exactly the same way and from a single source. But of course if you want to capture color, or if you want to capture luster, or if you want to capture contacts marks, or wear, or, or, or - that can't be done ! To see all the things on a coin you have to have light at different angles. And under a certain kind of light, not just any light. So it is absolutely impossible to do it with a single picture ! You'd have to have dozens of pictures of each coin, and all from a single source so they'd all be the same. And even then you still have the subjectivity problem. Programs, machines, code can be written to be objective - but not subjective. </p><p><br /></p><p>There simply is no program, no machine, that can do what the human brain can do ! That said, people will still only believe what they want to believe. Which of course is why these discussions still go on. </p><p><br /></p><p>Will happen some day ? Perhaps, but it aint gonna be today ![/QUOTE]</p><p><br /></p>
[QUOTE="GDJMSP, post: 3913274, member: 112"]This coin for example. I took both sets of pictures, seconds apart. Never changed a single camera setting. The only change made was to the angle of the lights, and it was only a tiny change. And this was the outcome. [ATTACH=full]1031399[/ATTACH] [ATTACH=full]1031400[/ATTACH] [ATTACH=full]1031401[/ATTACH] [ATTACH=full]1031402[/ATTACH] Now if a simple thing like changing the angle of the light by a 1/4 inch can do that - something that radically different, imagine what any other change can do ! The only way that a program, a machine can learn to grade is if all the pics/scans are done in exactly the same way and from a single source. But of course if you want to capture color, or if you want to capture luster, or if you want to capture contacts marks, or wear, or, or, or - that can't be done ! To see all the things on a coin you have to have light at different angles. And under a certain kind of light, not just any light. So it is absolutely impossible to do it with a single picture ! You'd have to have dozens of pictures of each coin, and all from a single source so they'd all be the same. And even then you still have the subjectivity problem. Programs, machines, code can be written to be objective - but not subjective. There simply is no program, no machine, that can do what the human brain can do ! That said, people will still only believe what they want to believe. Which of course is why these discussions still go on. Will happen some day ? Perhaps, but it aint gonna be today ![/QUOTE]
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Need a collection of photos of Lincoln Cents for a Neural Network
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