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csr · 08-18-2021, 05:14 PM

I am trying to produce some reasonably well-formatted, attractive ebooks from scanned public domain works from Internet Archive, mostly for my own pleasure, but I would like to get good enough to share them. I open the IA epub in Sigil, and use the PDF as a reference to clean up and organize the text. But the images, which were generally b & w sketches, have a very yellowed background. What is the simplest way to get rid of the yellowing? I have played around a bit, trying to edit them in Windows photos, using Paint, or using Gimp. I have no real experience in working with graphics. I actually succeeded once with Gimp totally by accident, and have been unable to figure out what I did! What is the simplest way to do this?

08-18-2021, 05:14 PM	#1
csr Junior Member Posts: 1 Karma: 10 Join Date: Nov 2012 Device: Nook	Improving images in ebooks I am trying to produce some reasonably well-formatted, attractive ebooks from scanned public domain works from Internet Archive, mostly for my own pleasure, but I would like to get good enough to share them. I open the IA epub in Sigil, and use the PDF as a reference to clean up and organize the text. But the images, which were generally b & w sketches, have a very yellowed background. What is the simplest way to get rid of the yellowing? I have played around a bit, trying to edit them in Windows photos, using Paint, or using Gimp. I have no real experience in working with graphics. I actually succeeded once with Gimp totally by accident, and have been unable to figure out what I did! What is the simplest way to do this?