From: Classification of extreme facial events in sign language videos
 | Linguistic phenomena | |||
---|---|---|---|---|
 | Boundaries | Alternative | Enumeration | |
Facial event | Sign | Sentence | construction | Â |
Yaw pose | Â | Â | 3 | Â |
Pitch pose | 2 | 2 | Â | 1 |
Roll pose | 3 | 3 | 1 | 3 |
Vertical translation | 2 | 2 | 1 | Â |
Eye blinking | 1 | 1 | Â | Â |