An illustration of the system developed to use WiFi signal to detect objects of different materials.
To help keep consumers safe, airports and many facilities deploy different kinds of screening equipment to scan baggage and other items. Traditional in-baggage suspicious object detection involves either manual examination (e.g., setting up checkpoint at every entrance) or dedicated equipment (e.g., surveillance camera, X-ray machine, ultra-wide-band scanner) and incurs high cost and deployment overhead, making them hard to scale.
Rutgers researchers have developed a low-cost system that utilizes off-the-shelf Wi-Fi devices to detect suspicious and dangerous objects. It uses wireless interference created by objects within the baggage to estimate the inner nature (i.e., material) and outline properties (i.e., dimension/shape) of the hidden objects. The system enables metal imaging or liquid detection by the reflected Wi-Fi signal translating into a facilitate risk level assessment to determine if an item is safe or dangerous. This system can achieve over 95% and 90% accuracy for identifying the suspicious object and determining its material type respectively.
- Uses WiFi to detect suspicious objects without physically opening baggage.
- Low implementation cost and easy deployment.
- Easily scalable to from large to small applications.
- Screens guns, ammunition, suspicious fluids
This technology can be used for security screening purposes at:
- Airports and point of entries such as ports, border controls
- Theme parks and Stadiums
- Metro & train stations
Intellectual Property & Development Status: