I guess most of you got a GPS and sometimes get annoyed because of it's accuracy. Now, Linux-based technology developed at NICTA is on its way to help make personal navigation systems more accurate.

Automap , uses machine vision techniques that can detect and classify geometric shapes from video footage.

http://www.computerworld.com.au/index.php?q=article/313968/new_linux-based_technology_make_smarter_gps&fp=&fpid=