The GNU Image Manipulation Program features color options that modify the distribution of color values within an image; GIMP color tools also allow users to remove color casts and enhance contrast and ...
When using GIMP, it is possible to lighten and darken images by changing the contrast. The built-in color levels and curve tools also provide you with methods of darkening an image, but these ...
The Digital Photography School weblog describes 5 different techniques for spicing up your digital images by enhancing the contrast using curves, masks, dodging/burning, and a few other smart tricks ...
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