Archived posting to the Leica Users Group, 2004/11/04

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Subject: [Leica] speaking of photoshop tips
From: bladman99 at yahoo.ca (Dan C)
Date: Thu Nov 4 19:09:07 2004
 
I just tried it.   It certainly seems to sharpen an image.  I'm just not
sure yet of it's supposed superiority over USM.  Contrary to the tutorial,
it does appear to enhance grain in the photograph (i tried it on an image
scanned from a negative)

-dan c.

At 06:41 PM 04-11-04 -0600, Eric wrote:
>http://www.luminous-landscape.com/tutorials/high-pass-sharpening.shtml
>
>Cool.  Sounds like using the high pass filter instead of USM is good for
>sharpening pics without accentuating any noise.  I just learned about this
>today.  Any thoughts on the pros and cons of using USM vs. high pass for
>sharpening?
>
>--
>
Replies: Reply from DouglasMSharp at netscape.net (Douglas M. Sharp) ([Leica] speaking of photoshop tips)
 In reply to: Message from ericm at pobox.com (Eric) ([Leica] speaking of photoshop tips)