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Nuke's vanilla sharpen node leaves a lot
to be desired -- using it always results
in nasty super-black edges and
fringing highlights around
already-contrasty parts of your
image.
Sharpening
in a logarithmic colourspace is
a solution for this, and LabSharpen
can give you nice results too, however
both of these options tend to break when
you need to be heavy-handed with a soft
plate.
Thankfully, Xavier
Martín is here to help! He has
created a gizmo, X_Sharpen,
which "preserves colours, avoids
negative lobes and creates minimal
ringing and banding on edges".
Sounds too good to be true, but it
really works! Additionally, he created
X_Soften, which uses the same
algorithm to soften your image, and you
can download both in one package.
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