imgledif - tpcclib 0.7.7 © 2021 by Turku PET Centre

Calculates a difference image from late and early time frames of a dynamic
PET image in ECAT 6.3, 7.x, NIfTI-1, or Analyze 7.5 format.
Analyze and NIfTI image must have SIF in the same folder for frame time
information.
 
Usage: imgledif [Options] image earlytime latetime diffimage
 
For each image pixel, program will calculate the average concentration
from time zero to the early time (min), and the average from late time (min)
to the end of PET, and subtract the early average from the late average
(or optionally vice versa).
 
Options:
 -EL
     Late average is subtracted from early average to reveal arterial pools.
 -frames
     Frame numbers are given instead of times.
 -noneg
     Negative differences are set to zero.
 -abs
     Absolute differences are calculated.
 -efile=<filename>
     Write early average image in given file.
 -lfile=<filename>
     Write late average image in given 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: imginteg, imgsuv, imgcalc, imgthrs, imgfrdyn, imgcutof
 
Keywords: image, dynamics, input, mask, time