HaptoRoom: Designing Spatial and Reconfigurable Haptic Experience using Vibrotactile Floor Interface

Haptic interaction is essential for wearable and mobile interfaces, while room-scale haptics are gaining traction. However, implementing vibrotactile actuators on a large scale faces practical challenges, such as embedding devices in every piece of furniture. To address this, we propose the HaptoRoom system, which enables room-scale reconfigurable haptics on existing furniture surfaces without additional equipment. This study also proposes Spatial Haptic Equalization (SHE), a method that computationally compensates spatial disuniformity in vibration intensity at haptic points using a data-driven approach for high-quality experiences. Additionally, our approach enables Indirect object actuation on furniture through propagated vibration. Our system requires only floor-installed pressure sensors and vibrotactile actuators. It also offers reconfigurability for spatial vibrotactile patterns, supporting diverse applications in entertainment and lifestyle.