Research Article

Vector Autoregressive Hierarchical Hidden Markov Models for Extracting Finger Movements Using Multichannel Surface EMG Signals

Figure 8

Confusion matrix, HSMM, MAV, Subject 4. There are around 800 observations per movement and 10100 in the rest class. The algorithm underperformed when discriminating classes 3, 8, 9, and 10, with class 9 being most problematic as the majority of observations were misclassified as class 3.