filter(1) Filter a volume image

SYNOPSIS

filter [options] input output filter [options] [-s,--studholme] input output average subject img0 [img1...] filter [options] [-R,--rohlfing] input output subject

DESCRIPTION

This tool applies spatial filtering operators, including cnotent-sensitive opersators, based on selective Gaussian kernels.

OPTIONS

Global Toolkit Options (these are shared by all CMTK tools)

--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

--gaussian <float>, -g <float>
Gaussian filter width (sigma) [Default: disabled]
--radius <float>, -r <float>
Filter radius (truncated outside) [Default: 2]
--mask <string>, -m <string>
Binary mask file name [Default: NONE]
--studholme, -s
Use Studholme's consistent filtering
--bin-width <float>, -b <float>
Intensity bin width for consistent filtering [Default: 10]
--rohlfing, -R
Use Rohlfing's single-image consistent filtering
--intensity-gaussian <float>, -G <float>
Intensity gaussian sigma for consistent filtering [Default: 0]

Image/Transformation Database

--db <string>
Path to image/transformation database that should be updated with the newly created image. [Default: NONE]

AUTHORS

Torsten Rohlfing, with contributions from Michael P. Hasak, Greg Jefferis, Calvin R. Maurer, Daniel B. Russakoff, and Yaroslav Halchenko

BUGS

Report bugs at http://nitrc.org/projects/cmtk/

ACKNOWLEDGMENTS

CMTK is developed with support from the NIAAA under Grant AA021697, National Consortium on Alcohol and Neurodevelopment in Adolescence (N-CANDA): Data Integration Component. From April 2009 through September 2011, CMTK development and maintenance was supported by the NIBIB under Grant EB008381.