NAME¶
average_images - Average images
SYNOPSIS¶
average_images [options] image0 ...
DESCRIPTION¶
This tool computes pixelwiase average, variance, standard deviation, z-score, or
entropy images from a list of user-provided intensity images.
OPTIONS¶
- --help
- Write list of basic command line options to standard
output.
- --help-all
- Write complete list of basic and advanced command line
options to standard output.
- --wiki
- Write list of command line options to standard output in
MediaWiki markup.
- --man
- Write man page source in 'nroff' markup to standard
output.
- --version
- Write toolkit version to standard output.
- --echo
- Write the current command line to standard output.
- --verbose-level <integer>
- Set verbosity level.
- --verbose, -v
- Increment verbosity level by 1 (deprecated; supported for
backward compatibility).
- --threads <integer>
- Set maximum number of parallel threads (for POSIX threads
and OpenMP).
Main Options¶
- --mode
- Mode of averaging operation Supported values:
"avg", "var", "stdev", "zscore",
"entropy", where the default is "avg", or use one of
the following:
- --avg
- Compute average (i.e., mean) image [This is the
default]
- --var
- Compute variance image
- --stdev
- Compute standard deviation image
- --zscore
- Compute z-score image
- --entropy
- Compute pixel-by-pixel population entropy image
Data Preprocessing¶
- --log, -l
- Apply log to input data
- --abs, -a
- Use absolute input values
- --normalize-mean-stdev, -n
- Normalize image intensities using means and standard
deviations
- --set-padding-value <double>
- Define padding value in input images [Default:
disabled]
Output Options¶
- --outfile-name <string>, -o
<string>
- Output file name [Default: average.nii ]
- --type
- Scalar data type of output image. Supported values:
"float", "double", where the default is
"float", or use one of the following:
- --float
- Single-precision float. [This is the default]
- --double
- Double-precision float.
AUTHORS¶
Torsten Rohlfing, with contributions from Michael P. Hasak, Greg Jefferis,
Calvin R. Maurer, and Daniel B. Russakoff
LICENSE¶
http://www.fsf.org/licensing/licenses/gpl.html
BUGS¶
Report bugs at
http://nitrc.org/projects/cmtk/
ACKNOWLEDGMENTS¶
From April 2009 through September 2011, CMTK Development and Maintenance was
supported by the National Institute of Biomedical Imaging and Bioengineering
under Grant No.R01 EB008381 (PI: Torsten Rohlfing).
