...Changhua Liu; Jide Qian; Zuocai Wang; Jin Wu Purpose For fixed-wing micro air vehicles, the attitude determination is usually produced by the horizon/Global Navigation Satellite System (GNSS) in which the GNSS provides yaw estimates, while roll and pitch are computed using horizon sensors. However...

... analysis; then the human body posture is estimated and, finally a temporal model of the detected posture series is generated by discrete hidden Markov models to identify the activity. Findings The system was tested on image sequences acquired in a real archaeological site while some people simulated...