How to get rid of unwanted crease lines in a scan
Feb 26, 2011 4:27 PM
I have scaned a iron on transfer that has crease lines from paper folds. How do I remove them.
Thanks
Mike
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As the others have said, you have to do a little work. That nature of that work depends on how you want to use the resulting image, but here is one approach:
Convert the image to grayscale.
Apply a levels adjustment to get a decent black & white image.
Work on each of the four figures separately, that is, rectangle select each figure and put it on a separate layer - the rework is easier this way, though not necessary
Make a selection tight to the crease, which is now a black area. Jump that to a new layer and fill with white.
Use your pen tool (or whatever drawing tool you are comfortable with) to fill in the short missing lines.
I've fixed up only the bottom right figure in the image below as an example.
Paulo
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20,936 posts
Dec 23, 2006Assuming your computer's up to it, it's often helpful to work at a higher resolution than your final output.
A technique that can help with all but the darkest creases is to activate the Dodge tool, set it for Highlights, and paint over the creases. You don't have to make them perfect, but you need to lighten them up as compared to the dark lines in the actual image.
Image - Adjust Color Balance - Yellows, and increase the lightness can help increase contrast.
I showed you yesterday how to move the white point in a Curves operation. That can get you the rest of the way there.
As noted, paint back in any lines that were inadvertently removed or overly lightened. Blur can also be helpful in some cases while cleaning up to smooth things out.
-Noel
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