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How to change grey background into white on scanned document

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I scanned several documents ( black coloured text on a slightly grey background ) . I want to whiten the background , tried it with the recolor tool, but that doesn't work. Maybe I'm doing something wrong. Who can help me with this ?


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Hmm... you may want to fiddle around with the Brightness/ Contrast, mainley focusing on the Contrast command. This should break apart that grey into white while maintaining the darkness of the black.

BTW, could you post an example pic so that we can try to aid you a bit more?


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The best way would be to mess with the Adjustments > Brightness/Contrast settings until you get a color you like. If it's a black and white image, you can use Adjustments > Black & White first to make your job a little bit easier.

Hope this helps!


The Doctor: There was a goblin, or a trickster, or a warrior... A nameless, terrible thing, soaked in the blood of a billion galaxies. The most feared being in all the cosmos. And nothing could stop it, or hold it, or reason with it. One day it would just drop out of the sky and tear down your world.
Amy: But how did it end up in there?
The Doctor: You know fairy tales. A good wizard tricked it.
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