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CVPR
2010
IEEE
16 years 2 months ago
Clustering Dynamic Textures with the Hierarchical EM Algorithm
The dynamic texture (DT) is a probabilistic generative model, defined over space and time, that represents a video as the output of a linear dynamical system (LDS). The DT model ...
Antoni Chan, Emanuele Coviello, Gert Lanckriet
HYBRID
2010
Springer
16 years 1 months ago
Timed automata with observers under energy constraints
In this paper we study one-clock priced timed automata in which prices can grow linearly ( ˙p = k) or exponentially ( ˙p = kp), with discontinuous updates on edges. We propose E...
Patricia Bouyer, Uli Fahrenberg, Kim G. Larsen, Ni...
GLOBECOM
2009
IEEE
16 years 1 months ago
Strong Barrier Coverage with Directional Sensors
Abstract—The barrier coverage model was proposed for applications in which sensors are deployed for intrusion detection. In this paper, we study a strong barrier coverage problem...
Li Zhang, Jian Tang, Weiyi Zhang
ICASSP
2009
IEEE
16 years 1 months ago
View-invariant tensor null-space representation for multiple motion trajectory retrieval and classification
In this paper, we propose a novel general framework for tensor based null space affine invariants, namely, tensor null space invariants (TNSI) with a linear classifier for high ...
Xu Chen, Dan Schonfeld, Ashfaq Khokhar
ICDAR
2009
IEEE
16 years 1 months ago
Recognition of On-Line Handwritten Commutative Diagrams
We present a method for the recognition of on-line handwritten commutative diagrams. Diagrams are formed with arrows that join relatively simple mathematical expressions. Diagram ...
Andreas Stoffel, Ernesto Tapia, Raúl Rojas