Determining human-centered parameters of ergonomic micro-gesture interaction for drivers using the theater approach

Authors:
Angela Mahr;Christoph Endres;Christian Müller;Tanja Schneeberger
Affiliations:
Automotive Group, German Research Center for Artificial Intelligence (DFKI), Saarbrücken, Germany;Automotive Group, German Research Center for Artificial Intelligence (DFKI), Saarbrücken, Germany;Automotive Group, German, Research Center for Artificial, Intelligence (DFKI) & Action Line, Intelligent Transportation Systems, EIT ICT labs, Germany;Automotive Group, German Research Center for Artificial Intelligence (DFKI), Saarbrücken, Germany
Venue:
Proceedings of the 3rd International Conference on Automotive User Interfaces and Interactive Vehicular Applications
Year:
2011

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Abstract

In this paper, we describe a technique to determine user preferences concerning in-car micro-gesture interaction. The approach is derived from the theater technique [1], and implies a collaborative adjustment of parameters with the experimenter, until the subject has decided about the final settings. We evaluated three systematically selected gestures (zooming, sweeping, and circling) for controlling four exemplary comfort functions of the car (window lifter, air condition, radio volume, and seat heating). The main result of our study is the geometry of a "sweet spot" for micro-gesture recognition close to the steering wheel, which is independent from the underlying technical recognition approach. Additionally, preferred sizes, angles, and pause times for the investigated gestures are provided. We give an indication, which of the gestures is preferred by the users (the sweeping gesture). Finally, we provide a more detailed view on the interaction between gesture preferences and function.