Publications

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Journal Articles

Quantifying Neck Muscle Activity During Head Fixation in VR

Published in Frontiers in Virtual Reality, 2025

This study provides the first empirical characterisation of neck muscle activity during head fixation in a seated VR task using surface electromyography (sEMG). Results show how muscle workload increases with rotation angle and exhibits distinct temporal dynamics.

Recommended citation: Li, G., Weidner, F., Hu, J., and Gellersen, H. (2025). Quantifying Neck Muscle Activity During Head Fixation in VR. Frontiers in Virtual Reality, 6, 1682866.
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MotionInput v2.0 supporting DirectX: A modular library of open-source gesture-based machine learning and computer vision methods

Published in arXiv preprint, 2021

MotionInput v2.0 is an open-source library that enables gesture-based interaction with existing Windows software using standard webcams. It modularizes computer vision and machine learning methods to map body, hand, and eye movements to mouse and keyboard events.

Recommended citation: Kummen, A., Li, G., Hassan, A., Ganeva, T., Lu, Q., Shaw, R., ... & Gellersen, H. (2021). MotionInput v2. 0 supporting DirectX: A modular library of open-source gesture-based machine learning and computer vision methods for interacting and controlling existing Windows software. arXiv preprint arXiv:2108.04357.
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Conference Papers

StrainGain: Neck Strain Amplifies Head Pointing in VR

Published in IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops (VRW), 2026

StrainGain is a novel interaction technique that uses neck strain (measured via sEMG) to dynamically adjust the control-display gain of head-pointing cursors in VR, improving targeting speed and precision.

Recommended citation: Li, G., Weidner, F., and Gellersen, H. (2026). StrainGain: Neck Strain Amplifies Head Pointing in VR. 2026 IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops (VRW).
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[DC] Neck Muscles in Head-Mounted Displays Interaction

Published in 2025 IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops (VRW), 2025

Doctoral Consortium paper investigating neck muscle activity and physical strain during HMD use.

Recommended citation: Li, G. (2025). [DC] Neck Muscles in Head-Mounted Displays Interaction. 2025 IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops (VRW), 2025.
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Guanlin X. Li