Accurate and Contactless Vital Sign Detection in Short Time Window with 24 GHz Doppler Radar

Figure 7

The MAE of estimated respiratory and heartbeat rate with different population sizes and numbers of iterations: (a) the MAE with different population sizes (the number of iterations is set to 100); (b) the MAE with the different numbers of iterations (the population size is set to 80).

(a)

(b)