New Estimators and Guidelines for Better Use of Fetal Heart Rate Estimators with Doppler Ultrasound Devices

Figure 6

True positive rates for 𝐼₁ and 𝐼₂ with SNR>0.6 dB, 𝑊=4096, and an error of estimation of 0.25 bpm. (a) True positive rate for 𝐼₁. (b) True positive rate for 𝐼₂.

(a)

(b)