tacmean - tpcclib 0.6.6 © 2016 by Turku PET Centre

Calculate average TAC of all regional TACs in the TTAC file.
Weighted average TAC can be used as a 'head curve' in time delay correction,
if reliable count-rate data is not available.
 
Usage: tacmean [options] ttacfile [avgfile]
 
Options:
 -ws
     TACs are weighted by the VOI sizes, if available in the TTAC file.
 -sd=<filename>
     SD curve is calculated and saved; weights are not applied.
 -cv=<filename>
     CV curve is calculated and saved; weights are not applied.
 -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: taclist, tacadd, imghead, dftavg, avgttac, tocr, fitdelay
 
Keywords: TAC, average, standard deviation, noise, head-curve