UnsharpMask v1.1

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Contributor: Scott Chambers
Works very much like the Photoshop version.
5.0, 5.1, 5.2, 6.0, 6.1, 6.2 or later
Linux, Mac, Windows
19 Jan 2011
Works very much like the Photoshop version. Stems from the old days when it was an optical / printing process. A slightly out of focus print of your negative was exposed onto transparency film, this was then sandwiched with the negative and exposure onto light sensitive paper. Two controls are 'sharpness' and 'balance'. Sharpness controls the multiplication factor of the blurred version and the original version before the later is subtracted from the former. Balance controls the blur amount.

Slightly more pleasing to the eye than Nuke's standard sharpening node.


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0 # chris menz 2011-01-26 16:59
thanks for the gizmo, i could never make the built in sharpen filter to work nicely (black edgy halos).

i found that you can get artifacts if you have negative values, inserting a black clamp after the lin-to-log and before the blur cured it.
++ chris

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