A system automatically monitors playing and wagering of a game. A table monitor in a chip tray automatically images the activity occurring at a gaming table, including the placement of wagers. A processor processes image date to locate wagering pieces, identify the value of each wagering piece, the amount...http://www.google.ca/patents/US6688979?utm_source=gb-gplus-sharePatent US6688979 - Method and apparatus for monitoring casinos and gaming
