License plate

Commercial license
http://www.warelogic.com Unlimited scanning of license plates from anywhere in the world at 400 Euro's per software license. Probably the best solution for South-Africa. Geovision is to costly.

Links
http://www.cctvforum.com/viewtopic.php?f=2&t=22881 open sorce linux based DVR + licence plate recognition? - • CCTV Forum

A Real-time License Plate Recognition (LPR) System

License Plate Recognition Application Programming Interface (API) and Software Development Kit (SDK)

JavaANPR - Automatic number plate recognition system

Geovision commercial solution
http://www.geovision.com.tw/english/solution/GV-LPR_casestudy.htm

Patents
Under dates 2011 and 2001 describes hardware method of using white light with visible spectrum cut-out filter and IR filter to enhance the number on the number plate.