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The Monte Carlo simulation code, SIMIND,
describes a standard clinical SPECT
camera and can easily be modified for
almost any type of calculation or
measurement encountered in SPECT
imaging. SIMIND has been developed by
Professor Michael Ljungberg, Medical
Radiation Physics, Department of Clinical
Sciences, Lund, Lund University, Sweden.
The entire code is written in FORTRAN-
90 and includes versions that are fully
operational on Linux systems [x86], Mac
systems running Unix, and on Windows
[x86]. The majority of the main code
structure is similar for all of the operating
systems; but, in cases where the
operating system becomes unique,
additional information on the code as it
pertains to the specific system is
provided.
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The usefulness in a Monte Carlo program is the
ability to study in detail why images from
nuclear medicine scintillation camera systems
is degraded. For example, the images above
show a series of simulations. First image
correspond to a imaging situation without
patient motion and a perfect camera
resolution. Second image include patient
movements [respiration and heart beating].
Next is an image with a normal SPECT system
resolution for patient movements. The two
next images show degradation due to a]
photon attenuation and b] photon attenuation
and scatter contribution. In the lst image a
realistic noise level have been added.
Copyright ©1997-2009
Mailing address
Michael Ljungberg, Ph.D
Professor
Medical Radiation Physics
Department of Clinical Sciences, Lund
Lund University
SE-221 85 Lund, SWEDEN
michael.ljungberg 'at' med.lu.se
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