Table 4 Statistical functions
From: Emotion recognition and school violence detection from children speech
Statistic function | |
|---|---|
S1 | The maximum value of the contour |
S2 | The minimum value of the contour |
S3 | Range = max-min |
S4 | The absolute position of the maximum value (in frames) |
S5 | The absolute position of the minimum value (in frames) |
S6 | The arithmetic mean of the contour |
S7 | The slope (m) of a linear approximation of the contour |
S8 | The o_set (t) of a linear approximation of the contour |
S9 | The quadratic error computed as the di_erence of the linear approximation and the actual contour |
S10 | The standard deviation of the values in the contour |
S11 | The skewness (3rd order moment) |
S12 | The kurtosis (4th order moment) |