NAME

       histogram - Image histogram

SYNOPSIS

       histogram [options] image

DESCRIPTION

       Create  a  histogram of image intensities and write as tab-separated text file to standard
       output

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
       --nbins <none>, -n <none>
            Number of histogram bins (default: number of grey levels) [Default: 0]

       --normalize, -N
            Normalize histogram to maximum 1.0

       --min <double>
            User-defined minimum value [Default: disabled]

       --max <double>
            User-defined maximum value [Default: disabled]

       --truncate, -t
            Truncate histogram (do not enter values outside range into first/last bin)

       --pad <boolean>
            Image padding value [Default: disabled]

       --outfile <string>, -o <string>
            File name pattern for histograms [Default: NONE]

       --mask <string>, -m <string>
            File name for multi-valued mask file [Default: NONE]

AUTHORS

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

LICENSE

       http://www.fsf.org/licensing/licenses/gpl.html

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.