No POD found for ColorHistogram.xs. Time to read the source?
ColorHistogram.xs
To install Graphics::Magick::ColorHistogram, copy and paste the appropriate command in to your terminal.
cpanm
cpanm Graphics::Magick::ColorHistogram
CPAN shell
perl -MCPAN -e shell install Graphics::Magick::ColorHistogram
For more information on module installation, please visit the detailed CPAN module installation guide.