I've never tried that, but I think it looks interesting.
It reminds me of another alternative sharpening technique, to convert
the image to LAB colour space, and do sharpening on the A or B
channel. Conversely, blurring in the same channels is a trick to
remove moiré.

Jostein

2011/4/20 Steven Desjardins <drd1...@gmail.com>:
> I was directed to this site yesterday:
>
> "With great megapixels comes great responsibility."
>
> I couldn't quite get the process to work.  I think when I initially
> select all I only have one layer so I can't do exactly what they say.
> also, I just end up with the high pass results and no overall picture.
>  Does anyone use this approach?
>
> --
> Steve Desjardins
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