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<p>[QUOTE=&quot;Dave M, post: 1493682, member: 17469&quot;]I was reading a thread on CU about correcting for scanner color issues, and had a brilliant idea (until someone shoots it down <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie1" alt=":)" unselectable="on" unselectable="on" /> ). I couldn&#039;t figure out how to create an account there, so I thought I&#039;d post it here and claim first publication of the idea.</p><p><br /></p><p>The problem is that scanners will all scan with a bit of a different coloring, and more dramatically a scan through a TPG&#039;s plastic can also impart that greenish color to the note. All said and done, the resulting scan may not look much like the original note. Not only is that a pain for the owner, but an unscrupulous seller can (as we&#039;ve seen many times), &quot;adjust&quot; the color and brightness of an image to make it look newer or cleaner than it really is.</p><p><br /></p><p>The answer, as I see it, might be quite simple. If the TPG&#039;s would include on their label, an area of 18% gray, this could be deemed the color balance constant, just like photographers use a gray card all the time. Someone looking at a scan would simply need to color correct that square area to 18% gray in order to adjust the image back to original color. If the gray was behind a tinted plastic, all the better - the color correction would remove the tint. Photoshop, and probably other editors, have this adjustment as a single button-click, since it&#039;s such a common need for photographers.</p><p><br /></p><p>Not to say someone couldn&#039;t fake the gray color, but certainly it would be a bit difficult to do, and this could certainly solve an issue for anyone legitimately trying to recover the accurate coloring of a banknote in a holder. It could be a significant selling point for the TPG who used it, I&#039;d think.</p><p><br /></p><p>&nbsp;Fire away, perhaps I&#039;ve missed something!</p><p><br /></p><p>Dave[/QUOTE]</p><p><br /></p>

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