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Open AccessArticle

The Effects of Motion Artifacts on Self-Avatar Agency

1
Department of Cultural Technology and Communication, University of the Aegean, Mytilene 81100, Greece
2
Department of Computer Graphics Technology, Purdue University, West Lafayette, IN 47907, USA
*
Author to whom correspondence should be addressed.
Informatics 2019, 6(2), 18; https://doi.org/10.3390/informatics6020018
Received: 30 March 2019 / Revised: 24 April 2019 / Accepted: 25 April 2019 / Published: 29 April 2019
One way of achieving self-agency in virtual environments is by using a motion capture system and retargeting user’s motion to the virtual avatar. In this study, we investigated whether the self-agency is affected when motion artifacts appear on top of the baseline motion capture data assigned to the self-avatar. For this experiment, we implemented four artifacts: noise, latency, motion jump, and offset rotation of joints. The data provided directly from the motion capture system formed the baseline of the study. We developed three observation tasks to assess self-agency: self-observation, observation through a virtual mirror, and observation during locomotion. A questionnaire was adopted and used to capture the self-agency of participants. We analyzed the collected responses of participants to determine whether the motion artifacts significantly altered the participants’ sense of self-agency. The obtained results indicated that participants are not always sensitive to the motion artifacts assigned to the self-avatar, but the sense of self-agency is dependent on the observation task they were asked to perform. Implications for further research are discussed. View Full-Text
Keywords: self-agency; motor control; motion capture; motion artifacts; virtual reality; self-avatar self-agency; motor control; motion capture; motion artifacts; virtual reality; self-avatar
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Koilias, A.; Mousas, C.; Anagnostopoulos, C.-N. The Effects of Motion Artifacts on Self-Avatar Agency. Informatics 2019, 6, 18.

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