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Developer Releases Offline Crash Detection Flutter Package Using On-Device AI

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A developer has open-sourced 'offline_sos_system', a pure Dart Flutter package that detects vehicle or personal crashes entirely on-device without any internet connection. The package uses an embedded TensorFlow Lite model to analyze data from the device's accelerometer and gyroscope, addressing the failure of cloud-dependent safety apps in areas with no signal. Unlike simpler threshold-based approaches, it processes multi-axis motion patterns to reduce false positives from everyday impacts like potholes or dropped phones. The engine buffers sensor telemetry locally, extracts features, runs ML inference, and emits a stream of crash confidence events for the app to act on. The package is available on pub.dev and GitHub, allowing developers to integrate offline emergency detection without complex native iOS or Android code bindings.

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