Ward, JA; Pirkl, G; Hevesi, P; Lukowicz, P; (2016) Towards recognising collaborative activities using multiple on-body sensors. In: UbiComp '16 Proceedings of the 2016 ACM International Joint Conference on Pervasive and Ubiquitous Computing. (pp. pp. 221-224). ACM publishing: New York, NY, USA.

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Abstract

This paper describes the initial stages of a new work on recognising collaborative activities involving two or more people. In the experiment described a physically demanding construction task is completed by a team of 4 volunteers. The task, to build a large video wall, requires communication, coordination, and physical collaboration between group members. Minimal outside assistance is provided to better reflect the ad-hoc and loosely structured nature of real-world construction tasks. On-body inertial measurement units (IMU) record each subject's head and arm movements; a wearable eye-tracker records gaze and ego-centric video; and audio is recorded from each person's head and dominant arm. A first look at the data reveals promising correlations between, for example, the movement patterns of two people carrying a heavy object. Also revealed are clues on how complementary information from different sensor types, such as sound and vision, might further aid collaboration recognition.

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