Fig. 5: Multi-modal underwater monitoring system for physiological states and emergency detection.
From: A waterproof and ultra-elastic thermoelectric foam for underwater human signal detection
R changes caused by leg and arm movements (a) during freestyle swimming, b while treading water, and (c) during a drowning scenario. d Respiratory monitoring. e Body temperature monitoring. f Karnaugh map and corresponding physical display. g Schematic illustration of freestyle swimming. h Schematic illustration of a diver entangled in seaweed.
