Mattias Tiger

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We propose an unsupervised stream processing framework that learns a Bayesian representation of observed spatio-temporal activities and their causal relations. The dynamics of the activities are modeled using sparse Gaussian processes and their causal relations using a causal Bayesian graph. This allows the model to be efficient through compactness and(More)
Learning to recognize common activities such as traffic activities and robot behavior is an important and challenging problem related both to AI and robotics. We propose an unsupervised approach that takes streams of observations of objects as input and learns a probabilistic representation of the observed spatio-temporal activities and their causal(More)
Linköping 2015 " Lic " — 2015/8/10 — 15:07 — page ii — #2 This is a Swedish Licentiate's Thesis Swedish postgraduate education leads to a doctor's degree and/or a licentiate's degree. A doctor's degree comprises 240 ECTS credits (4 year of full-time studies). A licentiate's degree comprises 120 ECTS credits. Abstract Automated Planning is an active area(More)
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