| http://www.w3.org/ns/prov#value | - BACKGROUND OF THE INVENTION [0002] The present invention relates generally to the field of anticounterfeiting and authentication methods and devices and, more particularly, to methods, security devices and apparatuses for authentication of documents and valuable articles using the intensity profile of moire patterns. [0003] Counterfeiting of documents such as banknotes is becoming now more than ev
|
