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- Tue May 18, 2004 2:29 am
- Forum: Photoshop-compatible Plugins
- Topic: High pass filter?
- Replies: 5
- Views: 19166
I found an interesting web site that describes a process that creates a digital representation of an effect I used to get in the darkroom called "lithographic derivation." The result looks like a line drawing, but with some detail. The process requires a PhotoShop filter called "high pass." However,...