The Congressional and Army sponsored WaterWATCHTM Program has developed and demonstrated a fully integrated
shallow water port and facility monitoring system. It provides fully automated monitoring of domains above and below
the surface of the water using primarily off-the-shelf sensors and software. The system is modular, open architecture and
IP based, and elements can be mixed and matched to adapt to specific applications. The sensors integrated into the
WaterWATCHTM system include cameras, radar, passive and active sonar, and various motion detectors. The sensors
were chosen based on extensive requirements analyses and tradeoffs. Descriptions of the system and individual sensors
are provided, along with data from modular and system level testing. Camera test results address capabilities and
limitations associated with using "smart" image analysis software with stressing environmental issues such as bugs,
darkness, rain and snow. Radar issues addressed include achieving range and resolution requirements. The passive sonar
capability to provide near 100% true positives with zero false positives is demonstrated. Testing results are also
presented to show that inexpensive active sonar can be effective against divers with or without SCUBA gear and that
false alarms due to fish can be minimized. A simple operator interface has also been demonstrated.
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