Graphical effect transformation are usually nonlinear...
...aside from the obvious ones like scale, skew, etc. The only way to undo them is to guess the original parameters (swirl factor 95%!) and then use numerical methods.
They aren't trapdoor functions, so it's not that difficult, just tedious:
Unswirl 1%, does it look human? No, unswirl 2%...
Posted By: yarmyyarmy on October 16th 2007 at 14:03:00
Message Thread
- FAO AB re: the swirl (Other Football) - Steve in Holland, Oct 16, 13:09:09
- I'm not sure it can, can it? (Other Football) - Arizona Bay, Oct 16, 13:46:35
- By the way (Other Football) - Steve in Holland, Oct 16, 13:53:04
- Graphical effect transformation are usually nonlinear... (Other Football) - yarmyyarmy, Oct 16, 14:03:00
- Fucking geekorama!!! (Other Football) - Steve in Holland, Oct 16, 14:24:14
- Yes, it would. (Other Football) - Arizona Bay, Oct 16, 13:58:44
- Fuckun useless bar stewards (Other Football) - Steve in Holland, Oct 16, 14:23:46
- yES. (n/m) (Other Football) - Arizona Bay, Oct 16, 14:34:28
- Shit, that didn't take long (Other Football) - Old Git, Oct 16, 14:00:02
- + "and/or they didn't get the angles exactly right" (Other Football) - Arizona Bay, Oct 16, 13:59:43
- Fuckun useless bar stewards (Other Football) - Steve in Holland, Oct 16, 14:23:46
- Excelelnt, I'm glad someone brought that up, I've been wondering the same thing (Other Football) - Old Git, Oct 16, 13:58:36
- Graphical effect transformation are usually nonlinear... (Other Football) - yarmyyarmy, Oct 16, 14:03:00
- Well done for noticing the "what if". (n/m) (Other Football) - Steve in Holland, Oct 16, 13:50:54
- Thanks very much, my english is getting better each and every day. (n/m) (Other Football) - Arizona Bay, Oct 16, 13:52:44
- lol (n/m) (Other Football) - Steve in Holland, Oct 16, 13:53:47
- Thanks very much, my english is getting better each and every day. (n/m) (Other Football) - Arizona Bay, Oct 16, 13:52:44
- By the way (Other Football) - Steve in Holland, Oct 16, 13:53:04
- Cos, right, it would resemble a face afterward, right? (n/m) (Other Football) - Dog, Oct 16, 13:40:22
- Yeah, right, but, (Other Football) - Steve in Holland, Oct 16, 13:43:21
- So use a face recognition pooter then. Snot (Other Football) - CB41, Oct 16, 13:45:07
- Yeah but, right, but, normally those only (Other Football) - Steve in Holland, Oct 16, 13:49:04
- So use a face recognition pooter then. Snot (Other Football) - CB41, Oct 16, 13:45:07
- Yeah, right, but, (Other Football) - Steve in Holland, Oct 16, 13:43:21
- I'm not sure it can, can it? (Other Football) - Arizona Bay, Oct 16, 13:46:35
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