PCG Classification Using Multidomain Features and SVM Classifier

Table 6

Summary of high-order statistics features.

Feature index	Feature name	Physical Meaning
1	m_S1_skewness	mean value of the skewness of S1
2	sd_S1_skewness	SD of the skewness of S1
3	m_S1_kurtosis	mean value of the kurtosis of S1
4	sd_S1_kurtosis	SD of the kurtosis of S1
5	m_S2_skewness	mean value of the skewness of S2
6	sd_S2_skewness	SD of the skewness of S2
7	m_S2_kurtosis	mean value of the kurtosis of S2
8	sd_S2_kurtosis	SD of the kurtosis of S2
9	m_sys_skewness	mean value of the skewness of systole
10	sd_sys_skewness	SD of the skewness of systole
11	m_sys_kurtosis	mean value of the kurtosis of systole
12	sd_sys_kurtosis	SD of the kurtosis of systole
13	m_dia_skewness	mean value of the skewness of diastole
14	sd_dia_skewness	SD of the skewness of diastole
15	m_dia_kurtosis	mean value of the kurtosis of diastole
16	sd_dia_kurtosis	SD of the kurtosis of diastole