Remote detection of physiological changes

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There is necessity to detect remotely small physiological changes in a human in order to measure the human’s condition including physiological stress levels and viability.

Neural inputs to the heart’s sinoatrial node accelerate or decelerate the heart rate over varying time scales depending on the respiration (RESP) rate and the balance of tone of the two branches of autonomic nervous system (ANS). At worst, just aheartbeatindicates the presence of vital activity.This methodis particularly useful forthe detectionof peopleunder rubble.

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