| Poseidon
uses a network of small, digital cameras mounted above the surface of the water  or in the pool walls 
(only if the pool is deeper than 9 feet) and linked to a central processor unit 
to monitor the trajectories of swimmers in the pool and to analyze, in real time,
their activity. The system can automatically identify suspicious situations, such
as a person who is motionless underwater. In seconds, it alerts lifeguards via
a LED panel 
and at a supervision workstation 
to the exact location of the swimmer in danger.
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