Using a high spatial resolution tactile sensor for intention detection

Castellini C, Kõiva R (2013)
Presented at the 13th International Conference on Rehabilitation Robotics (ICORR 2013), Seattle, Washington, USA.

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Abstract
Intention detection is the interpretation of biological signals with the aim of automatically, reliably and naturally understanding what a human subject desires to do. Although intention detection is not restricted to disabled people, such methods can be crucial in improving a patient's life, e.g., aiding control of a robotic wheelchair or of a self-powered prosthesis. Traditionally, intention detection is done using, e.g., gaze tracking, surface electromyography and electroencephalography. In this paper we present exciting initial results of an experiment aimed at intention detection using a high-spatial-resolution, high-dynamic-range tactile sensor. The tactile image of the ventral side of the forearm of 9 able-bodied participants was recorded during a variable-force task stimulated at the fingertip. Both the forces at the fingertip and at the forearm were synchronously recorded. We show that a standard dimensionality reduction technique (Principal Component Analysis) plus a Support Vector Machine attain almost perfect detection accuracy of the direction and the intensity of the intended force. This paves the way for high spatial resolution tactile sensors to be used as a means for intention detection.
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Conference
13th International Conference on Rehabilitation Robotics (ICORR 2013)
Location
Seattle, Washington, USA
Conference Date
2013-06-24 – 2013-06-26
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Castellini C, Kõiva R. Using a high spatial resolution tactile sensor for intention detection. Presented at the 13th International Conference on Rehabilitation Robotics (ICORR 2013), Seattle, Washington, USA.
Castellini, C., & Kõiva, R. (2013). Using a high spatial resolution tactile sensor for intention detection. Presented at the 13th International Conference on Rehabilitation Robotics (ICORR 2013), Seattle, Washington, USA.
Castellini, C., and Kõiva, R. (2013).“Using a high spatial resolution tactile sensor for intention detection”. Presented at the 13th International Conference on Rehabilitation Robotics (ICORR 2013), Seattle, Washington, USA.
Castellini, C., & Kõiva, R., 2013. Using a high spatial resolution tactile sensor for intention detection. Presented at the 13th International Conference on Rehabilitation Robotics (ICORR 2013), Seattle, Washington, USA.
C. Castellini and R. Kõiva, “Using a high spatial resolution tactile sensor for intention detection”, Presented at the 13th International Conference on Rehabilitation Robotics (ICORR 2013), Seattle, Washington, USA, 2013.
Castellini, C., Kõiva, R.: Using a high spatial resolution tactile sensor for intention detection. Presented at the 13th International Conference on Rehabilitation Robotics (ICORR 2013), Seattle, Washington, USA (2013).
Castellini, Claudio, and Kõiva, Risto. “Using a high spatial resolution tactile sensor for intention detection”. Presented at the 13th International Conference on Rehabilitation Robotics (ICORR 2013), Seattle, Washington, USA, 2013.
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