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RealSense: Directional Interaction for Proximate Mobile Sharing (MM 2013)

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Published on Oct 19, 2014

We present RealSense, a technology that enables users to easily share media files with proximate users by detecting the relative direction of each other only with built-in orientation sensors on smartphones. With premise that users are arranged as a circle and every user is facing the center of that circle, RealSense continuously collects the directional heading of each phone to calculate the virtual position of each user in real time during the sharing.

RealSense users can simply share photos to others by swiping and throwing the photo to another user’s direction without remembering or searching the name and even the device id of a specific receiver. We evaluated the orientation sensor error and the minimal arc degree for selection, and compared RealSense with linear menu, pie menu and NFC. Our results show that the limitation that requires participants to face toward the circle center is rather acceptable and participants preferred RealSense than other sharing interactions especially they were unacquainted with each other.

Author: Chien-Pang Lin, Cheng-Yao Wang, Hou-Ren Chen, Wei-Chen Chu, Mike Y. Chen

MHCI Lab, National Taiwan University

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