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From: yuhong@hoss.unl.edu (Yuhong Yu)
Newsgroups: comp.graphics.visualization
Subject: Drawing Analysis
Keywords: thinning vectorization
Message-ID: <1991Jun26.224549.16463@unlinfo.unl.edu>
Date: 26 Jun 91 22:45:49 GMT
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Since the algorithms for line drawing analysis such as thinning, vectorization,
or others, are pretty established, I suppose that there are commercial packages 
for engineering drawing scanning and processing.  Anybody has information about
this?  If you do, would you please email it to me?  My email address is

            yuhong@hoss.unl.edu

Thanks.


Yuhong Yu                           University of Nebraska, Lincoln, Nebraska