This report explains in detail how this research group “developed a prototype demonstration system that can measure an inmate’s heart rate, breathing rate and general body motion without being attached to the inmate (i.e. from a non-contact distance). The system is based upon measuring a ballistogram which is comprised of subtle motions appearing on the surface of the body due to the motion of internal components such as the heart and lungs. The system is based on a modifying version of a commercialized Range Controlled Radar (RCR) that was originally designed as a motion detector for home security systems” (p. 2). All that is needed for this system to be available to correctional agencies is a long-term test in a real-world environment.
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