VR-STEP: Walking-in-Place using Inertial Sensing for Hands Free Navigation in Mobile VR Environments
summary
A hands-free walking-in-place system uses real-time pedometry and only smartphone inertial sensors to detect steps and map step timing to dynamic virtual velocity with very low CPU overhead. An 18-participant study compares it to gaze-activated autowalk, finding no significant differences in task time or distance, slightly slower around obstacles, but higher reported immersion and learnability. Implementation ships as a free app and a Unity plugin for mobile VR.
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