Device-Free Human Activity Recognition Based on Dual-Channel Transformer Using WiFi Signals

Table 1

Comparison: system performance with various denoising algorithms.

	Fall detection	Activity recognition
Without denoising	85.6%	81.3%
SG filter	95.8%	93.0%
SVD	94.9%	92.2%
DARMS	96.9%	93.3%