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Quick DPI and resizing question

post #1 of 3
Thread Starter 
I have a picture that i wanted to get printed on canvas but the site says that it has to be 300 DPI minimum. Right now the pictures that we have picked are only 180 DPI. I was doing a little research and I can increase the DPI on the picture with GIMP (We don't have Abode) to 300 but I was wondering if this would be problematic for the picture on canvas. We are looking to get it printed on a 2ft by 2ft canvas and I would hate for it to be blurry and such.


The unedited 180 DPI


Here is the Edited one to 300 DPI


I think it might need to be cropped a bit but my photography and more so Photoshop skills are less then optimal at the moment. Thank again for the help!


Coss

EDIT: Looking at them side by side now on the website and then on my monitors it looks like I can't see a difference at all between them. The File size got bigger but that is all I can really tell.
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post #2 of 3
Up-sizing an image in any program cannot ever add more detail than that already there in the original. Thus it is certain that you cannot tell the difference between the two - both contain the same actual detail, only the software duplicated some pixels by interpolating the existing color information of the original to increase the size.

Thus don't have to worry for it being more or less blurry than printing directly from the original.

Publication pro's have that "obsession" asking for "300dpi" when they know that it doesn't make any difference.
They just want to deter people from thinking they can print huge magnifications of web-sourced, low resolution images, and also they don't want to have any responsibility for re-sampling the images themselves, and then have clients claiming they messed up.
Edited by pcfoo - 12/9/12 at 10:37pm
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post #3 of 3
Thread Starter 
Ah, thanks. The more I read about it the more it made sense.

Thank you for the clarification!
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