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Elena Torta

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Publications by Elena Torta (bibliography)

2011

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Torta, Elena, Cuijpers, Raymond H. and Juola, James F. (2011): A model of the user's proximity for bayesian inference. In: Proceedings of the 6th International Conference on Human Robot Interaction 2011. pp. 273-274.

“Embodied nonverbal cues are fundamental for regulating human-human social interactions. The physical embodiment of robots makes it likely that they will have to exhibit appropriate nonverbal interactive behaviors. In this paper we propose a model of the user's proximity based on a superposition of quasi-Gaussian probability distributions which allows to express findings from HRI trials regarding distances and direction of approach in a human-robot interaction scenario. The way the model is formulated is suitable for well-established Bayesian filtering techniques, and thus the inference of the preferred distance and direction of approach in a human robot interaction scenario can be regarded as a state estimation problem. Results derived from simulations show the effectiveness of the inference process.”

2010

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Torta, Elena, Cuijpers, Raymond H. and Juola, James F. (2010): A Bayesian model for approaching a human. In: Proceedings of the 2010 Annual European Conference on Cognitive Ergonomics 2010. pp. 357-358.

“With the growing need for elder care, research is focusing on robotic assistance at home. Thus, robots must navigate in cluttered, domestic, indoor environments with the purpose of interacting with a person. Here we present a behaviour based navigation model enhanced with a low level decision making process that allows the robot to approach a human in such an environment. The model has been tested on simulation and the first results show the effectiveness of the Bayesian decision making process.”

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