GIMP photo retouching

There’s a whole book of it, Klaus Goelker’s illustrated GIMP 2 for Photographers: Image Editing with Open Source Software. Here’s a collection of online GIMP tutorials, articles and sites for retouching and improving digital photographs.

The OSP Wiki is a wikified collection of tutorials on open source photography. [flickr group] [tutorials]

reducing CCD noise (should be always done to reduce noise in images, esp. indoor and low-light shots)

cosmetic retouching [more]

retouching portraits (using the “healing” tool to fix skin tones and blemishes)

post-processing an image with curves, giving a “glowing” effect, softening the light (good for portraits & people shots)

airbrush a pretty girl” tutorial on smoothing skin, removing blemishes, using blurs and changing colors [archive]

sampling toned images (make your digital images look like great b/w film or with sepia tones)

gaussian blur overlays

See the Gimp users group on Flickr.

Outline of digital photography techniques.

A Photographer’s Guide to Image Sizing

Snatchify” a photo image.

A high-pass filter sketch effect (turn a photo of a person or object into a drawing)

Using Perl-O-Tine to slice and cut an image for putting in a web layout.

Use photos to make textured image backgrounds.

First published on March 8th, 2009 at 1:23 pm (EST) and last modified on March 8th, 2009 at 4:46 pm (EST).