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Table 7 The effect of the number of features of different methods on the detection accuracy

From: PCA-Kalman: device-free indoor human behavior detection with commodity Wi-Fi

Different methods Impacts of feature number on detection accuracy
2 3 4 5 6
PCA-Kalman 0.948 0.958 0.961 0.971 0.966
FIMD 0.934 0.948 0.942 0.933 0.935