Figure 3From: Application of a self-enhancing classification method to electromyography pattern recognition for multifunctional prosthesis controlTwo protocols for EMG data collection. Protocol 1: EMG data are collected during a short period (2 ∼3 hours) at one time. Protocol 2: EMG data are collected at two separate times during a day, and the time interval is about 6 ∼7 hours.Back to article page