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As the title identifies, I’ll be using the image editor GIMP to demonstrate the Threshold and Color to Alpha tools. If you don’t already have a copy, head over to GIMP.org and download one. it’s free which is why I use it . This is what we’re shooting for: Threshold I mentioned in my last the GIMP tutorial, Opensource Digital Photo Processing for Novice Photographers, that I’d explore some of the more advanced features of GIMP editing later on. Using the Color>Threshold tool wouldn’t be what I call advanced by it was a tool that I didn’t mention earlier. I neglected to cover it [...] |
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