Table 9: Weighted average recognition rates of the proposed method with the existing state-of-the-art methods (unit: %).

State-of-the-art worksAverage classification ratesStandard deviation

GMM63.3±2.7
SVM67.5±4.4
HMM82.8±3.8
Embedded HMM85.9±1.9
[62]92.1±3.2
[63]84.3±4.9
[18]93.6±2.7
[19]93.0±1.6
[22]92.7±2.5
[64]80.1±3.2
Proposed method97.2±2.8