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This article explores the extraordinary electronic revolution that has taken place over the last three decades in interpersonal communication and its implications for law enforcement and private security. It focuses in particular on the sociological impact of the now ubiquitous cell phone and...
Electronic Security Screening (ESS), in addition to preventing a major disruption to the aviation industry after 1970, has produced social changes by providing positive protection for people and assets throughout the world. The sustained wave of hijackings in 1968–1972, which morphed into...
Automatic recognition of an unknown fingerprint is an important tool of any security system. An optical joint transform correlation technique is proposed for efficient real-time recognition of fingerprints. The optical correlator incorporates phase modulation of the reference fingerprint to...
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