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Fig. 4 | BioMedical Engineering OnLine

Fig. 4

From: Motor unit action potential conduction velocity estimated from surface electromyographic signals using image processing techniques

Fig. 4

CV estimation comparison between the proposed IPE algorithm and the MLE algorithm proposed by Farina et al. [12], using simulated signals with different CV values—3 m/s (medium gray), 4 m/s (light gray), and 5 m/s (dark gray)—, different levels of noise: a noise free; b 30 dB SNR; c 20 dB SNR; d 16 dB SNR; and e 12 dB SNR, and different level of force: 20 % MVC, 40 % MVC and 60 % MVC. The black diagonal dashed lines are the identity lines. Each MLE–IPE pair of CV measurements (one dot) is associated with one simulated signal

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