Table 1 Signal extracted from FaceLab
Signal | Description |
|---|---|
\(e_{\text{l,r}}\) | Eye closure (left and right) |
\(c_{\text{l,r}}\) | Eye closure confidence (left and right) |
Blink-freq | Blink frequency |
Blink-dur | Average blink duration |
PERCLOS | Percentage eyelid closure at 75% |
\(\varphi , \psi \) | Gaze rotation: pitch, yaw angle |
Sac | Saccade |
\(\text{P}\_\text{diam}_{\text{l,r}}\) | Pupil diameter (left and right) |
\(Q_{0,1,2,3}\) | Head rotation: quaternions |