VIRTUAL CHECK SYSTEM AND METHOD

System and method for document and article authentication

Point-of-sale-scanner

Document image compression method and its application in document authentication

System and method for processing casino tickets

Anti-copy optical materials and methods

Rare earth spatial/spectral barcodes for multiplexed biochemical testing

Rare earth spatial/spectral microparticle barcodes for labeling of objects and tissues

Document image compression method and its application in document authentication

System and method for processing casino tickets

Methods and devices for marking and authenticating a product by a consumer

Travel kiosk

Item depository apparatus operated responsive to data bearing records

Item depository apparatus operated responsive to data bearing records

Authentication method and system