Non-invasive polygraph technology based on optical analysis

摘要

A system and method for unobtrusively and non-invasively subjecting a human subject (10) to tests for the purpose of determining whether that subject is truthful and/or is under stress. A series of laser or infrared pulses (18) are directed to the human subject(10). These pulses are reflected or scattered (20) from the individual and are received by a receiver device (14). The receiver device (14) is connected to an information processing device (16) capable of determining various physiological characteristics exhibited by the human subject (10). A display (24) associated with the information processing device (16) would visually illustrate these physiological characteristics.