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another image problem

• To: mathgroup at smc.vnet.net
• Subject: [mg56975] another image problem
• From: "sean_incali" <sean_incali at yahoo.com>
• Date: Wed, 11 May 2005 05:25:28 -0400 (EDT)
• Sender: owner-wri-mathgroup at wolfram.com

Let's say you have a picture of two overlapping graphs.

You don't have the equations that generated them. but you know the
graphs is relatively accurate. for example,

http://pg.photos.yahoo.com/ph/sean_incali/detail?.dir=/9264&.dnm=191b.jpg&.src=ph

Now... let's say you wanted to find the area under curve for both
curves (blue and green) between certain x values...

for example, 425nm <= x <= 475nm , and then 500nm <= x <= 550nm, and
then 525nm <= x <= 575nm.

is this doable in Mathematica? 

thanks In advance for any thoughts. 

sean

• Follow-Ups:
  • Re: another image problem
    • From: Mark Holt <mark_robert.holt@kcl.ac.uk>
  • Re: another image problem
    • From: Chris Chiasson <chris.chiasson@gmail.com>