Bridging physical and virtual worlds with electronic tags
Proceedings of the SIGCHI conference on Human Factors in Computing Systems
Smart-Its Friends: A Technique for Users to Easily Establish Connections between Smart Artefacts
UbiComp '01 Proceedings of the 3rd international conference on Ubiquitous Computing
Synchronous gestures for multiple persons and computers
Proceedings of the 16th annual ACM symposium on User interface software and technology
Sensing and visualizing spatial relations of mobile devices
Proceedings of the 18th annual ACM symposium on User interface software and technology
Usage of spatial information for selection of co-located devices
Proceedings of the 10th international conference on Human computer interaction with mobile devices and services
Proxemic interactions: the new ubicomp?
interactions
Pass-them-around: collaborative use of mobile phones for photo sharing
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Multi-user interaction on media facades through live video on mobile devices
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
The proximity toolkit: prototyping proxemic interactions in ubiquitous computing ecologies
Proceedings of the 24th annual ACM symposium on User interface software and technology
Determining the orientation of proximate mobile devices using their back facing camera
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
CHI '12 Extended Abstracts on Human Factors in Computing Systems
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We present RealSense, a technology that enables users to easily share media files with proximate users by performing directional gestures on mobile devices. RealSense leverages the natural human group behavior of forming a circle and facing the center of the group. By continuously monitoring the directional heading of each device using only built-in orientation sensors, RealSense can compute the relative direction between all the devices. It simplifies media sharing because users do not need to lookup and specify the user IDs and device IDs of the intended recipients. We first evaluated the feasibility and design of RealSense, including the orientation sensor error and the minimal arc degree for selecting recipients. We then compared RealSense with three other common sharing interactions: 1) linear menu, 2) pie menu, and 3) NFC. Our results show that participants preferred RealSense over other sharing interactions, especially for groups of participants who were unacquainted with each other.