A photographic system is described for producing enhanced products from pictures of one or more known picture sites situated at predetermined locations and representing content of interest to a photographer. The system includes (a) a database containing content pertaining to the picture sites; (b) a...http://www.google.com/patents/US20040183918?utm_source=gb-gplus-sharePatent US20040183918 - Producing enhanced photographic products from images captured at known picture sites
