Device-Free Indoor Activity Recognition System
AbstractIn this paper, we explore the properties of the Channel State Information (CSI) of WiFi signals and present a device-free indoor activity recognition system. Our proposed system uses only one ubiquitous router access point and a laptop as a detection point, while the user is free and neither needs to wear sensors nor carry devices. The proposed system recognizes six daily activities, such as walk, crawl, fall, stand, sit, and lie. We have built the prototype with an effective feature extraction method and a fast classification algorithm. The proposed system has been evaluated in a real and complex environment in both line-of-sight (LOS) and none-line-of-sight (NLOS) scenarios, and the results validate the performance of the proposed system. View Full-Text
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Al-qaness, M.A.A.; Li, F.; Ma, X.; Zhang, Y.; Liu, G. Device-Free Indoor Activity Recognition System. Appl. Sci. 2016, 6, 329.
Al-qaness MAA, Li F, Ma X, Zhang Y, Liu G. Device-Free Indoor Activity Recognition System. Applied Sciences. 2016; 6(11):329.Chicago/Turabian Style
Al-qaness, Mohammed A.A.; Li, Fangmin; Ma, Xiaolin; Zhang, Yong; Liu, Guo. 2016. "Device-Free Indoor Activity Recognition System." Appl. Sci. 6, no. 11: 329.
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