Table 1.
All features used in this study and brief descriptions.
| Speech | Brief description |
|---|---|
| xF0 | Basic pitch of X. X is one of five vowels (A, E, I, O, and U). |
| xF1 | Formant of 1st in 4 frequency periods of X |
| xF2 | Formant of 2nd in 4 frequency periods of X |
| xJITA | Mean ratio of change in pitch period of X |
| xRF60_120_F240_480 | (Frequency band of 60~120 Hz)/(frequency band of 240~480 Hz) of X |
| xRF240_480_960_1960 | (Frequency band of 240~480 Hz)/(frequency band of 960~1960 Hz) of X |
| aRF2_F1 | Relative ratio between frequencies of A (aF2/aF1) |
| iDF0_aF0 | Difference of frequencies (iF0-aF0) |
| uDF0_oF0 | Difference of frequencies (uF0-oF0) |
| xMFCC4 | Mel frequency cepstral coefficients of X |
| SITS | Amplitude average |
| SISTD | Standard deviation of amplitude average |
| SSPD | Time to read one sentence |
| RSF60_120_240_480 | (Power of frequency band of 60~120)/(power of frequency band of 240~480) (one sentence) |
| RSF240_480_960_1960 | (Power of frequency band of 240~480)/(power of frequency band of 960~1960) (one sentence) |
|
| |
| Face | Brief description |
|
| |
| Height | Weight |
| Weight | Height |
| FD n1_ n2 | Distance between point n1 and n2 in a frontal (or profile) image |
| FDH n1_ n2 | Horizontal distance between n1 and n2 in an image |
| FDV n1_ n2 | Vertical distance between n1 and n2 in a frontal (or profile) image |
| FA n1_ n2_ n3 | Angle of three points n1, n2, and n3 in an image |
| FA n1_ n2 | Angle between the line through 2 points n1 and n2 and a horizontal line |
| FR02_psu | FD(17,26)/FD(18,25) |
| FR03_psu | (FD [18,25] + FD [118,125])/FDH(33,133) |
| FR05_psu | FDH(33,133)/FD(43,143) |
| FR06_psu | FDH(33,133)/FDV(52,50) |
| FR08_psu | FD(43,143)/FDV(52,50) |
| FArea02 | Area of the contour formed by the points 53,153, 133, 194, 94, 33, and 53 in an image |
| FArea03 | Area of the contour formed by the points 94, 194, 143, 43, and 94 |
| Fh_Cur_Max_Distan | Distance between points 7 and 77 |
| Fh_Angle_ n1_ n2 | Angle between the line through 2 points n1 and n2 and a horizontal line |
| Nose_Angle_ n1_ n2 | Angle between the line through 2 points n1 and n2 and a horizontal line |
| Nose_Angle_ n1_ n2 _n3 | Angle of 3 points n1, n2, and n3 |
| SA n1_ n2 | Angle between the line through 2 points n1 and n2 and a horizontal line |
| Fh_Cur_Max_R79_69 | FD(77,9)/FD(6,9) |
| Nose_Area_ n1_ n2_ n3 | Area of the triangle formed by 3 points n1, n2, and n3 in an image |
| EUL_L_el1~el7 | Slope of the tangent at a point (el1~el7) in an image |
| EUL_R_er1~er7 | Slope of the tangent at a point (er1~er7) in an image |