Finding the most common color in an image

[anthony]

See IM Examples, Image Comparing, Sort into types,
http://www.imagemagick.org/Usage/compare/#type_general
specifically "Predominate Color of an image" and "FG/BG seperation"
for collected notes and ideas.

If you have some ideas and examples, we would love to hear them. This part of IM examples i very sort of actual examples (code and images) to explore the ideas and options provided.