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st: RE: Printed figure to coordinates
From
"Fiedler, James (JSC-SK)[UNIVERSITIES SPACE RESEARCH ASSOC-DIV OF SPACE LIFE SCIENCES]" <[email protected]>
To
"[email protected]" <[email protected]>
Subject
st: RE: Printed figure to coordinates
Date
Thu, 31 May 2012 16:10:11 -0500
An internet search turns up quite a few options. I haven't used any of these; I can't speak to their quality or whether they will fit your needs, but here are a few links:
http://plotdigitizer.sourceforge.net/
http://www.datathief.org/
http://www.getdata-graph-digitizer.com/
http://www.digitizeit.de/
You might also look in the "External links" section of this Wikipedia article
http://en.wikipedia.org/wiki/Converting_scanned_graphs_to_data
________________________________________
From: [email protected] [[email protected]] On Behalf Of Laplante, Benoît [[email protected]]
Sent: Thursday, May 31, 2012 1:17 PM
To: [email protected]
Subject: st: Printed figure to coordinates
Hi,
I have a figure representing four survival curves printed in 1942 and based on census data. I do not have the corresponding table. I have no access to the original data.
I need to compare the underlying hazard curves to curves estimated from recent data.
Does anyone know of a piece of optical recognition software that can recognize curves and compute coordinates?
Thanks in advance.
Benoît Laplante, professeur
Centre Urbanisation Culture Société
Institut national de la recherche scientifique
Université du Québec
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