Research Article

HuAc: Human Activity Recognition Using Crowdsourced WiFi Signals and Skeleton Data

Figure 13

Performance analysis of activities using CSI. (a) Sixteen activities include horizontal arm wave, high arm wave, two-hand wave, high throw, draw x, draw tick, toss paper, forward kick, side kick, bend, handclap, walk, phone, drink water, sit down, and squat. (b) Four activities contain horizontal arm wave, high arm wave, high throw, and toss paper. (c) The impact of experimental environments on accuracy. (d) The impact of training samples on accuracy of three activity sets.
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