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<p>[QUOTE=&quot;messydesk, post: 3909719, member: 1765&quot;]I&#039;m responding to two entirely different parts of the OP.</p><p><br /></p><p>OP starts off asking for circulated coin photos.&nbsp; The first comment is referring to gloss or sheen seen on circulated coins where luster doesn&#039;t come into play for the grades.&nbsp; I provide a solution for this.&nbsp; A neural network may learn that this is part of the solution, but providing filtered data will allow it to &quot;concentrate&quot; on more important features.</p><p><br /></p><p>Later, the OP talks about plentiful pictures in high grade, about which I caution that the luster on the uncirculated coins can be a major player in the grade, and that differences in photo techniques can be seen as more prominent features from those that are relevant for grading.</p><p><br /></p><p><br /></p><p><br /></p><p>This is the subject of a debate I&#039;d like to take part in at a major coin show -- &quot;The Future of AI in Coin Grading.&quot;&nbsp; I feel qualified to take both sides here -- how it can&#039;t work and how it can work.[/QUOTE]</p><p><br /></p>

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