AFNI program: 3dConvolve
Output of -help
Program: 3dConvolve
Author: B. Douglas Ward
Initial Release: 28 June 2001
Latest Revision: 28 Feb 2002
Program to calculate the voxelwise convolution of given impulse response
function (IRF) time series contained in a 3d+time dataset with a specified
input stimulus function time series. This program will also calculate
convolutions involving multiple IRF's and multiple stimulus functions.
Input options include addition of system noise to the estimated output.
Output consists of an AFNI 3d+time dataset which contains the estimated
system response. Alternatively, if all inputs are .1D time series files,
then the output will be a single .1D time series file.
Usage:
3dConvolve
-input fname fname = filename of 3d+time template dataset
[-input1D] flag to indicate all inputs are .1D time series
[-mask mname] mname = filename of 3d mask dataset
[-censor cname] cname = filename of censor .1D time series
[-concat rname] rname = filename for list of concatenated runs
[-nfirst fnum] fnum = number of first time point to calculate by
convolution procedure. (default = max maxlag)
[-nlast lnum] lnum = number of last time point to calculate by
convolution procedure. (default = last point)
[-polort pnum] pnum = degree of polynomial corresponding to the
baseline model (default: pnum = 1)
[-base_file bname] bname = file containing baseline parameters
-num_stimts num num = number of input stimulus time series
(default: num = 0)
-stim_file k sname sname = filename of kth time series input stimulus
[-stim_minlag k m] m = minimum time lag for kth input stimulus
(default: m = 0)
[-stim_maxlag k n] n = maximum time lag for kth input stimulus
(default: n = 0)
[-stim_nptr k p] p = number of stimulus function points per TR
Note: This option requires 0 slice offset times
(default: p = 1)
[-iresp k iprefix] iprefix = prefix of 3d+time input dataset which
contains the kth impulse response function
[-errts eprefix] eprefix = prefix of 3d+time input dataset which
contains the residual error time series
(i.e., noise which will be added to the output)
[-sigma s] s = std. dev. of additive Gaussian noise
(default: s = 0)
[-seed d] d = seed for random number generator
(default: d = 1234567)
[-xout] flag to write X matrix to screen
[-output tprefix] tprefix = prefix of 3d+time output dataset which
will contain the convolved time series data
(or tprefix = prefix of .1D output time series
if the -input1D option is used)
This page generated on
Tue Aug 3 16:42:44 EDT 2004