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| Rembrandt [Public domain], via Wikimedia Commons |
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| convert image to greyscale |
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| open levels |
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| adjust levels |
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| turn background into a layer |
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| use tools to remove background and colour image |
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| Rembrandt as a digital image |
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| By Paul Perreijn from Heerlen, The Netherlands (P1050473) [CC BY 2.0 (http://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons |
