fitmtrap - tpcclib 0.8.0 © 2023 by Turku PET Centre
Fitting of a compartmental model to regional myocardial PET data, where
radiotracer is assumed to be trapped into cells at first pass,
as chemical microspheres.
The multilinear model is
Cpet(t) = Vb*Cb(t) + ((1-Vb)*K1+Vb*k2)*Integral[Cb(t)]
- k2*Integral[Cpet(t)]
BTAC from LV cavity is used as input function.
Usage: fitmtrap [Options] tacfile BTAC [parfile]
Options:
-k2=<value> | -k2=<MTAC> | -k2=median
By default, full three-parameter model is fitted to all regional TACs
in tacfile are fitted independently. With these options, k2 can be
constrained to given value, or to value from a given large muscle
region, or to the median of k2 estimates of all regions.
-w1 | -wf
By default, weights in data file are used, if available.
With these options all weights can be set to 1.0 (no weighting)
or based on frame durations.
-svg=<Filename>
Fitted and measured TACs are plotted in specified SVG file.
-fit=<Filename>
Fitted TACs are written in specified TAC file.
-input=<Filename>
Input (1-HCT)*PTAC is written in specified file.
-isvg=<Filename>
Input curves are plotted in specified SVG file.
-h, --help
Display usage information on standard output and exit.
-v, --version
Display version and compile information on standard output and exit.
-d[n], --debug[=n], --verbose[=n]
Set the level (n) of debugging messages and listings.
-q, --quiet
Suppress displaying normal results on standard output.
-s, --silent
Suppress displaying anything except errors.
See also: imgmtrap, b2ptrap, fitk2
Keywords: myocardium, perfusion