Methodologies for the User Evaluation of the Motion of Virtual Humans


Jansen, S.E.M. and Welbergen, H. van (2009) Methodologies for the User Evaluation of the Motion of Virtual Humans. In: Intelligent Virtual Agents, 9th International Conference, 14-16 Sept 2009, Amsterdam, The Netherlands (pp. pp. 125-131).

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Abstract:Virtual humans are employed in many interactive applications,
including (serious) games. Their motion should be natural and
allow interaction with its surroundings and other (virtual) humans in
real time. Physical controllers offer physical realism and (physical) interaction
with the environment. Because they typically act on a selected set
of joints, it is hard to evaluate their naturalness in isolation. We propose
to augment the motion steered by such a controller with motion capture,
using a mixed paradigm animation that creates coherent full body motion.
A user evaluation of this resulting motion assesses the naturalness
of the controller. Methods from Signal Detection Theory provide us with
evaluation metrics that can be compared among different test setups,
observers and motions. We demonstrate our approach by evaluating the
naturalness of a balance controller. We compare different test paradigms,
assessing their efficiency and sensitivity.
Item Type:Conference or Workshop Item
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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