This invention is a scaleable system to perform exact matching or similarity matching between a large store of reference temporal media sequences and a query target temporal media sequence. The system is not limited to finding exact matching media segments but also can find media segments that are similar....http://www.google.com.au/patents/US6675174?utm_source=gb-gplus-sharePatent US6675174 - System and method for measuring similarity between a set of known temporal media segments and a one or more temporal media streams
