We describe an experiment in using sensor-based data to identify individuals as they perform a simple activity of daily living (making coffee). The goal is to determine whether people have regular and recognizable patterns of interaction with objects as they perform such activities. We describe the use of a machine-learning algorithm to induce decision-trees that classify interaction patterns according to the subject who exhibited them; we consider which features of the sensor data have the most effect on classification accuracy; and we consider ways of reducing the computational complexity introduced by the most important feature type. Although our experiment is preliminary, the results are encouraging: we are able to do identification with an overall accuracy rate of 97%, including correctly recognizing each individual in at least 9 of 10 trials. © Springer-Verlag Berlin Heidelberg 2007.
CITATION STYLE
Hodges, M. R., & Pollack, M. E. (2007). An “object-use fingerprint”: The use of electronic sensors for human identification. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 4717 LNCS, pp. 289–303). Springer Verlag. https://doi.org/10.1007/978-3-540-74853-3_17
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