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- W2952655644 abstract "In cities with tall buildings, emergency responders need an accurate floor level location to find 911 callers quickly. We introduce a system to estimate a victim's floor level via their mobile device's sensor data in a two-step process. First, we train a neural network to determine when a smartphone enters or exits a building via GPS signal changes. Second, we use a barometer equipped smartphone to measure the change in barometric pressure from the entrance of the building to the victim's indoor location. Unlike impractical previous approaches, our system is the first that does not require the use of beacons, prior knowledge of the building infrastructure, or knowledge of user behavior. We demonstrate real-world feasibility through 63 experiments across five different tall buildings throughout New York City where our system predicted the correct floor level with 100% accuracy." @default.
- W2952655644 created "2019-06-27" @default.
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- W2952655644 date "2017-10-29" @default.
- W2952655644 modified "2023-09-27" @default.
- W2952655644 title "Predicting Floor-Level for 911 Calls with Neural Networks and Smartphone Sensor Data" @default.
- W2952655644 hasPublicationYear "2017" @default.
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