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We capture these amazing aerial point clouds with proprietary multi camera clusters flying under our tethered surveillance aerostat balloon. (Unmanned)
DDIS developed this lighter than air platform to help crowd counters and first responders get an accurate sense of the size and extents of crowd. This information is shared with First Responders and emergency medical personnel to help them asess potential safety or security problems.
Transparent gridded tally sheets are superimposed on the entire landscape to break the count and projections into manageable cells. Density averages are estimated for the significant masses of people under shade trees or behind jumbotrons, portapottys and umbrellas. Scenic shots are available under www.ddis.smugmug.com