I did this exact technique as a hobby project. Your next assignment: find similarly coloured photos using the right data structure. See my stack overflow ticke

I did this exact technique as a hobby project. Your next assignment: find similarly coloured photos using the right data structure. See my stack overflow ticket http://stackoverflow.com/questions/10555511/need-a-proper-data-structure-or-index-for-fast-user-lookup-based-on-3d-points-an http://stackoverflow.com/questions/10555511/need-a-proper-da...