Re: compensating for distortion

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#2332

From: Dick Dunn
Date: Fri, 08 Jun 1990 17:03

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In article <99500024@p.cs.uiuc.edu>, gillies@p.cs.uiuc.edu writes:

> I think that all photocopiers have different X and Y axes, so that
> counterfeit copies from a photocopier can be detected by the distortion.

We seem to be cycling the urban legends faster these days.  As I posted
quite recently, there are good copiers whose accuracy is better than the
dimensional stability of paper.
-- 
Dick Dunn     rcd@ico.isc.com    uucp: {ncar,nbires}!ico!rcd     (303)449-2870
   ...Simpler is better.

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Message-ID: <1990Jun8.170327.20281@ico.isc.com>

Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!asuvax!ncar!ico!rcd

References: <95014@<90May30> <99500024@p.cs.uiuc.edu>

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!asuvax!ncar!ico!rcd
From: rcd@ico.isc.com (Dick Dunn)
Newsgroups: comp.lang.postscript
Subject: Re: compensating for distortion
Summary: here we go again
Message-ID: <1990Jun8.170327.20281@ico.isc.com>
Date: 8 Jun 90 17:03:27 GMT
References: <95014@<90May30> <99500024@p.cs.uiuc.edu>
Organization: Interactive Systems Corporation, Boulder, CO
Lines: 11

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