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Sensors 2016, 16(2), 254;

A Robust Camera-Based Interface for Mobile Entertainment

Department of Mathematics and Computer Science, University of the Balearic Islands, Crta. Valldemossa km. 7.5, 07122 Palma, Spain
These authors contributed equally to this work.
Author to whom correspondence should be addressed.
Academic Editors: Fabrizio Lamberti, Andrea Sanna and Jon Rokne
Received: 30 December 2015 / Revised: 8 February 2016 / Accepted: 17 February 2016 / Published: 19 February 2016
(This article belongs to the Special Issue Sensors for Entertainment)
Full-Text   |   PDF [3901 KB, uploaded 19 February 2016]   |  


Camera-based interfaces in mobile devices are starting to be used in games and apps, but few works have evaluated them in terms of usability or user perception. Due to the changing nature of mobile contexts, this evaluation requires extensive studies to consider the full spectrum of potential users and contexts. However, previous works usually evaluate these interfaces in controlled environments such as laboratory conditions, therefore, the findings cannot be generalized to real users and real contexts. In this work, we present a robust camera-based interface for mobile entertainment. The interface detects and tracks the user’s head by processing the frames provided by the mobile device’s front camera, and its position is then used to interact with the mobile apps. First, we evaluate the interface as a pointing device to study its accuracy, and different factors to configure such as the gain or the device’s orientation, as well as the optimal target size for the interface. Second, we present an in the wild study to evaluate the usage and the user’s perception when playing a game controlled by head motion. Finally, the game is published in an application store to make it available to a large number of potential users and contexts and we register usage data. Results show the feasibility of using this robust camera-based interface for mobile entertainment in different contexts and by different people. View Full-Text
Keywords: mobile gaming; mobile entertainment; gestural interface; vision-based interface; image sensor; head-tracker mobile gaming; mobile entertainment; gestural interface; vision-based interface; image sensor; head-tracker

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Roig-Maimó, M.F.; Manresa-Yee, C.; Varona, J. A Robust Camera-Based Interface for Mobile Entertainment. Sensors 2016, 16, 254.

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