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Thread: How to remove a color from a flattened JPEG and preserve what is below?

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  1. #4
    Professional Artist Carnifex's Avatar
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    Feb 2008
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    When the pixels get this light it's very hard (impossible) to automatically adjust them to match the surrounding pixels.

    The right tool for this particular image seems to be the patch-tool in photoshop. See below for a quick example. I don't know if there's a similar tool in Gimp.

    Also, if the map looks ok in the PDF you can simply zoom in and use the "prn scr" button to get a screen dump.

    Note:
    If you want to extract images from a PDF you should preferably use Illustrator or Adobe Acrobat (not Adobe Reader).
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