Digital-imaging experts use powerful editing tools to match skin tones in one part of a picture with those in another. Commercial programs such as Photoshop have adjustment layers and other tools that ...

Selective focus is a photographic effect that places one area of an image in sharp focus while blurring the rest. Traditionally you'd achieve this effect with special camera lenses; with the advent of ...

GIMP (GNU Image Manipulation Program), like so many other open source programs, started out as a student project at the University of California, Berkeley. It was developed by Spencer Kimball and ...