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Old 5th January 2005, 20:40   #14  |  Link
Ark
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Join Date: Nov 2003
Location: Italy
Posts: 216
Quote:
Originally posted by Didée
Hah, I found an even faster method than this aSharp().aWarpsharp() combo !!!

Try the following:

sharpen(0.2)

W00T!

***

But seriously. A method to *really* do a minimal version of LS was pointed out by kassandro, uses his RemoveGrain filter set, and was named ModerateSharpen():
Code:
#  a function by kassandro.
# (just made "repmode" a parameter / Didée)

function ModerateSharpen(clip input, float amount, int "repmode")
{
	repmode = default(repmode,1)
	sharpened = Sharpen(input, amount)
	return Repair(sharpened, input, mode=repmode)
}
This one should run above realtime without any problems. Practicable "repmode"s are 1 & 2. Maximal "amount" is 1.0, but one should use less, because of the aliasing problem.
I tried it some time ago and for me it's veeeery like an XSharpen without those "dancing" pixels seen in XSharpen used at high values, so it can be a nice candidate for "supersampled" use, from the simplest

Code:
Lanczosresize(x*2,y*2).Moderatesharpen(1.0).Lanczosresize(x,y)
to more the complicted ways *you* can think of .....
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Last edited by Ark; 5th January 2005 at 22:19.
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