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G. Anthony Reina
09-15-1998, 08:40 AM
I posted a message a few weeks ago attempting to find some (hopefully)
free software to perform 3D volume reconstruction of MR/CT slices.
Unfortunately, I had more people wanting to know the answer than those
that actually knew the answer. However, here's the response that I got:

================================================== ====================
Subject:
3D Reconstruction - CT
Date:
Tue, 25 Aug 1998 15:49:58 -0700 (PDT)
From:
"A. Berman"
To:
reina@nsi.edu

Dr. Reina,

I have been attempting to find similar software for my graduate work
dealing with aortic aneurysm mechanics. One site you should check out
is
at Cornell: http://users.infohouse.com/amiller/home.htm , and another
is
http://www.ablesw.com/3d-doctor/ which offers a trial version of a
commercial package.
A great summary page of available software can be found at
http://biocomp.stanford.edu/3dreconstruction/index.html ...some are
free,
some are not.
Though the elaborate commercial packages offer the most reconstruction
power, they also cost the most $$$$. www.materialise.com is another
site
worth checking out, at least for the trial version of their software.

Hope this helps,

Adam Berman

Div. Cardiothoracic Surgery
Dept. Bioengineering
Box 356310
University of Washinton
1959 NE Pacific St.
Seattle, WA 98195

--

I tried the 3d-doctor software and was able to import some MR images
from a GE MR scanner. I was unable, however, to figure out how to take
those slices and make a simple 3D volume rendering.

The web site at stanford
http://biocomp.stanford.edu/3dreconstruction/index.html
has a very good compilation of both free and commercial software.
Unfortunately, most of the good medical imaging software is expensive
(~$10,000 - 30,000 plus a few thousand a year for support). We only need
to use the program 2-3 times per year, so it is not very advantageous to
purchase commercial software.

Another factor is considering how easy it is to import your scans into
the program. I have found none of the programs which I have used will
directly support the GE MR scanner format. Instead, I have to tell the
program what the raw files look like (header size, number of bytes per
voxel, etc). Plus, each program does this in a way probably intuitive
for the programmer but non-intuitive for the user.

Finally, many of the programs that I have tried do not have a built-in
print command. With all of these "pretty pictures" it would be nice to
directly output the image to a color printer. In most cases, I was
forced to save the image as a JPEG or raster or BMP file and then import
it into Corel or Hiijack and print it there.

All of the rest of the responses were requests for a list of the
responses I received to the original message.

If anyone has anything more information, I'd be greatful to hear from
you. Although, the answer may be that no free software exists for this
specific purpose.

Thanks.

-Tony Reina

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// G. Anthony Reina, MD //
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