We have developed several technologies for protecting automated teller machines. These technologies are based mainly
on pattern recognition and are used to implement various self-defence functions. They include (i) banknote recognition
and information retrieval for preventing machines from accepting counterfeit and damaged banknotes and for retrieving
information about detected counterfeits from a relational database, (ii) form processing and character recognition for
preventing machines from accepting remittance forms without due dates and/or insufficient payment, (iii) person
identification to prevent machines from transacting with non-customers, and (iv) object recognition to guard machines
against foreign objects such as spy cams that might be surreptitiously attached to them and to protect users against
someone attempting to peek at their user information such as their personal identification number. The person
identification technology has been implemented in most ATMs in Japan, and field tests have demonstrated that the
banknote recognition technology can recognise more then 200 types of banknote from 30 different countries. We are
developing an "advanced intelligent ATM" that incorporates all of these technologies.
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