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Re: [OM] Scanning/sampling

Subject: Re: [OM] Scanning/sampling
From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx>
Date: Sun, 15 Mar 2009 20:00:48 -0400
Thanks.  I think I'm going to have to revisit Koren.  He has a lot of 
good stuff but it's been a long time since I browsed around there.

Chuck Norcutt

ws wrote:
> Typically the scanner just uses 1 in 4 samples, but this could vary
> with scanner model or more likely the software driving the scanner. I
> would recommend always scanning at the native resolution of the
> scanner and post processing if you are not sure. Take a look at
> http://www.normankoren.com/Tutorials/MTF8.html for some examples.
> 
> '''Wayne
> 
> At 05:31 PM 3/15/2009, you wrote:
>> If I have a scanner which has a native resolution of 4800 ppi but I
>> then scan at 1200 ppi, how is that handled by the scanner ?  Does
>> the scanner just use 1 pixel of each 4 or does it average over the
>> 4 pixels ?
>> 
>> ...Wayne
> 
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