WiFire Concealed handgun detection using WiFi signals Official dataset repository for the paper: "Concealed Handgun Detection using WiFi Signals" . Overview Conventional surveillance systems (cameras, metal detectors) face limitations such as occlusion vulnerability, reliance on poor lighting, and spatial constraints that cause crowd congestion. WiFireNet addresses these challenges by utilizing WiFi Channel State Information (CSI) as a complementary modality capable of overcoming occlusions while operating discreetly across wide areas without restrictive spatial checkpoints. Key Contributions WiFire Dataset: A novel cross modal dataset containing aligned WiFi CSI samples and RGB video annotations featuring up to 4 simultaneous participants carrying common items (mobile phones, water bottles) and concealed threats. WiFireNet Architecture: A specialized deep learning model featuring a novel convolutional Modality Translation Network (MTN) that translates raw 1D CSI phase/amplitude into 2D image space features. Cross Modal Supervision: Employs a vision based teacher model during training via a cross modal Knowledge Distillation (KD) feature loss. Dataset: The WiFire Dataset The datase…
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