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The Mystery of AI Gunshot-Detection Accuracy Is Finally Unraveling
How accurate are gunshot detection systems, really? For years, it's been a secret, but new reports from San Jose and NYC show these systems have operated well below their advertised accuracy rates.
In February 2023, San Jose began piloting AI-powered gunshot detection technology from the company Flock Safety in several sections of the city, including Gonzalez’s neighborhood. But the data from San Jose and a handful of other communities that used the technologies suggest the systems—which use computer algorithms, and in SoundThinking’s case, human reviewers, to determine whether the sounds captured by their sensors are gunshots—may be less reliable than advertised. Last year, journalists with CU-CitizensAccess obtained data from Champaign, Illinois, showing that only 8 percent of the 64 alerts generated by the city’s Raven system over a six-month period could be confirmed as gunfire.
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