| Re: IDL & Tomography [message #30511] |
Sun, 28 April 2002 19:28 |
Mark Rivers
Messages: 49
Registered: February 2000
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Member |
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Ale <pasini@libero.it> wrote in message
news:THZy8.109733$SR5.2691452@twister1.libero.it...
> Anyone is developping applications for tomography recontruction to share
> ideas and code ?
I have a set of tomography preprocessing, reconstruction and visualization
routines (with a GUI front-end) available at:
http://www.cars.uchicago.edu/software/tomography
There's a link to a tar file there.
Most of the routines are written in IDL. The actual reconstruction is done
in a C library, called from IDL. On Windows the C code calls the Intel Math
Kernal Library to greatly speed up the FFTs. The latest release of the Math
Kernal Library also runs on Linux, but I have not tested that yet.
The reconstruction code is for parallel beam CT, not fan beam or cone beam.
As an indicator of the speed, the time to reconstruct a 650x515 slice with
720 projections is about 1.25 seconds.
Cheers,
Mark Rivers
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