Custom Filters in Photoshop

Discovered today, quite by accident, that Photoshop has a “custom” filter module (Filters > Other > Custom…) – using kernel processing one can make edge detection, blur, and other simple image filters.  Above is a directional blur that works similar to an all-over Gaussian blur but in just side-to-side.

For some details and examples, see Ian Albert’s “Custom Filters” post.

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