What we did:We designed a hands-free input modality for Head-Mounted Displays by leveraging lateral shifts of the walking path, visualizing options as lanes on the ground.
What we found:We found that participants achieved high accuracy and efficiency rates when interacting with the system, particularly in conditions with fewer lanes and optimal selection times.
Takeaway:Our work demonstrates the potential for safe and engaging interactions with Head-Mounted Displays while users are on the move, contributing to the broader field of Human-Computer Interaction.
Abstract
Recent technological advances have made head-mounted displays (HMDs) smaller and untethered, fostering the vision of ubiquitous interaction in a digitally augmented physical world. Consequently, a major part of the interaction with such devices will happen on the go, calling for interaction techniques that allow users to interact while walking. In this paper, we explore lateral shifts of the walking path as a hands-free input modality. The available input options are visualized as lanes on the ground parallel to the user’s walking path. Users can select options by shifting the walking path sideways to the respective lane. We contribute the results of a controlled experiment with 18 participants, confirming the viability of our approach for fast, accurate, and joyful interactions. Further, based on the findings of the controlled experiment, we present three example applications.
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