This effect was generated in Filter Forge, a Photoshop plugin that allows you to create your own filters.
This filter is for deriving bump, normal, specular, etc maps from photos.
Source: The input channel, from the source image: R/G/B, H/S/B, L/a/b, CMY
For a detailed tutorial about the controls please visit the comment thread on this filter at
http://www.filt
Credit goes to...
* Sphinx * for the CMYK extractor
* Mike Blackney * for his pixel color filter
* uberzev * for the Curve to shape filter
* ThreeDee * for the UnGauss and AutoLevels snippets
bump normal specular texture map
This filter has earned its author one of our rewards. They are given to the authors of popular filters and include a free copy of Filter Forge.