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Your Phone or Mine? Fusing Body, Touch and Device Sensing for Multi-User Device-Display Interaction

By Mahsan Rofouei, Andrew D. Wilson, A. J. Bernheim Brush and Stewart Tansley


Determining who is interacting with a multi-user interactive touch display is challenging. We describe a technique for associating multi-touch interactions to individual users and their accelerometer-equipped mobile devices. Real-time device accelerometer data and depth camera-based body tracking are compared to associate each phone with a particular user, while body tracking and touch contacts positions are compared to associate a touch contact with a specific user. It is then possible to associate touch contacts with devices, allowing for more seamless device-display multi-user interactions. We detail the technique and present a user study to validate and demonstrate a content exchange application using this approach. Author Keywords Sensor fusion; depth camera; multi-touch; accelerometers

Topics: Design, Experimentation, Human Factors
Year: 2013
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