Search found 2 matches

by jayuhfree
2011-01-30T05:29:34-07:00
Forum: Users
Topic: Reverse Engineering a Filter
Replies: 3
Views: 6910

Re: Reverse Engineering a Filter

So far here's what I've got. It's software-based zoom, obviously, but I suspect it's zooming on a JPG-compressed copy. That explains the artifacts everywhere. At that point, I suspect it's a combination of a blur and an edge detect? Maybe with a bit of noise added? I've been running combinations of ...
by jayuhfree
2011-01-30T02:15:43-07:00
Forum: Users
Topic: Reverse Engineering a Filter
Replies: 3
Views: 6910

Reverse Engineering a Filter

My spouse, who's a painter, has asked me to create an IM filter which can reproduce the following types of effects from an arbitrary image. It's a picture taken from our Samsung cellphone camera zooming in. I've tried a number of combinations of blurring and unsharpening, but can't seem to produce ...