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<p>[QUOTE=&quot;User 67, post: 8230, member: 67&quot;]Without going into great detail (I wrote &quot;deteriorates with each usage or transfer <i>from one computer or program to the next</i>.&quot;)</p><p><br /></p><p>The &quot;myth&quot; that the author of the linked article debunks, is that the jpg will deteriorate each time it&#039;s <i>opened and closed</i>. I didn&#039;t say that myth was true. Because you can open a jpg on your computer, or even open it without transferring it from one program to another. </p><p><br /></p><p>The article is specifically written about the <i>photoshop </i>program. But there are many other programs besides image editors that all have the same general effect on a jpg when you process them, whether they are an image editor or a data storage transfer.</p><p><br /></p><p>As the author tested, he was unable to see a deterioration until 15 such transfers. I can&#039;t speak for how much of a loss could be expected for any particular program or transfer of data.</p><p><br /></p><p>If you wish to preserve a scan of your photos without loss, you will use a lossless file like png. If you are unconcerned about loss or very careful with the image transfer (transferring from your computer to the disc (1x) then back from the disc to a different or the same computer (1x) and then to an image processing program or printer (1x) presents 3 transfers out of the 15 the author experienced, I believe. I agree, if you made a high resolution scan, that loss would be negligible (3x), for most purposes. While the image is stored on the device, there will be no loss, only when it is downloaded back to a computer.</p><p><br /></p><p>-1 upload to storage device (disc or stick)</p><p>-2 download to computer</p><p>-3 Print out on printer or edit in editor and print.</p><p>-4 save the edited jpg on your computer</p><p>-5 upload the saved jpg to the printer to print again.</p><p><br /></p><p>The original image on the storage device will still be near pristine (-1) and a fresh copy can be down-loaded (-2) at any time and again and again.</p><p><br /></p><p>I have never heard of a way to transfer a jpg without this loss. Uploading from&nbsp; your computer to the internet, then downloading back to your computer would represent two transfers, depending on what the computer on the internet did with it.[/QUOTE]</p><p><br /></p>

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