A shopping centre in southern China has installed special glass on the doors of men’s toilet cubicles that becomes transparent when people smoke inside, winning applause online. The move involving ...
Abstract: Pyroelectric infrared (PIR) sensors are much promising for device-free localization (DFL) due to their advantages of lower cost, low power consumption, and privacy protection. Most PIR-based ...
Abstract: Ensuring safety at railway gate crossings is critical to preventing accidents. This paper presents an innovative system utilizing Infrared (IR) and Passive Infrared (PIR) sensors to enhance ...
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