This effect was generated in Filter Forge, a Photoshop plugin that allows you to create your own filters.
This filter explores some variations on the high pass filter component. It is used WITH an image imported into the filter.
The Perlin controls will only work when the main selector is in the #2 or #3 postion.
high pass craig Kraellin walters filter elevation gradient profile refraction perlin noise
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.