B. White and L. Bölöni. Automatic Analysis of Embodied Team Actions. In Workshop on Plan, Activity, and Intent Recognition (PAIR-2009) at IJCAI-2009, 2009.
We describe a system which, building on previous team action recognition systems, performs a more in-depth analysis of an ongoing team action executed by a group of embodied agents. The system relies on team action states with human understandable semantics, estimates the current state and is able to make predictions or identify fringe cases such as incomplete or incorrectly executed team actions. The representation of the team action relies on a dynamic Bayesian network (DBN). We perform reasoning over the DBN using a sampling-importance-resampling particle filter. As a methodological illustration, we describe the process of model building for the bounding overwatch team action. We experimentally test our approach using data acquired from video recordings, and measure the systems' ability to recognize a team action and to estimate the current state.
@inproceedings{White-2009-PAIR,
author = "B. White and L. B{\"o}l{\"o}ni",
title = "Automatic Analysis of Embodied Team Actions",
booktitle = "Workshop on Plan, Activity, and Intent Recognition (PAIR-2009) at IJCAI-2009",
year = "2009",
abstract = {
We describe a system which, building on previous team action
recognition systems, performs a more in-depth analysis of an ongoing
team action executed by a group of embodied agents. The system
relies on team action states with human understandable semantics,
estimates the current state and is able to make predictions or
identify fringe cases such as incomplete or incorrectly executed
team actions. The representation of the team action relies on a
dynamic Bayesian network (DBN). We perform reasoning over the DBN
using a sampling-importance-resampling particle filter. As a
methodological illustration, we describe the process of model
building for the bounding overwatch team action. We experimentally
test our approach using data acquired from video recordings, and
measure the systems' ability to recognize a team action and to
estimate the current state.
}
}
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