Chen Liang
Chun Yu
Yue Qin
Yuntao Wang
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We present DualRing, a novel ring-form input device that can capture the state and movement of the user's hand and fingers. With two IMU rings attached to the user's thumb and index finger, DualRing can sense not only the absolute hand gesture relative to the ground but also the relative pose and movement among hand segments. To enable natural thumb-to-finger interaction, we develop a high-frequency AC circuit for on-body contact detection. Based on the sensing information of DualRing, we outline the interaction space and divide it into three sub-spaces: within-hand interaction, hand-to-surface interaction, and hand-to-object interaction. By analyzing the accuracy and performance of our system, we demonstrate the informational advantage of DualRing in sensing comprehensive hand gestures compared with single-ring-based solutions. Through the user study, we discovered the interaction space enabled by DualRing is favored by users for its usability, efficiency, and novelty.
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