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CVPR
2009
IEEE
15 years 2 months ago
Observe Locally, Infer Globally: a Space-Time MRF for Detecting Abnormal Activities with Incremental Updates
We propose a space-time Markov Random Field (MRF) model to detect abnormal activities in video. The nodes in the MRF graph correspond to a grid of local regions in the video fra...
Jaechul Kim (University of Texas at Austin), Krist...
ICIP
2005
IEEE
14 years 1 months ago
Recognition of human activities using space dependent switched dynamical models
This paper describes a new algorithm for the recognition of human activities. These activities are modelled using banks of switched dynamical models, each of which is tailored to ...
Jacinto C. Nascimento, Mário A. T. Figueire...
ICALT
2009
IEEE
14 years 2 months ago
Learning Activity Spaces: Towards Flexibility in Learning Design?
Designing a computer-supported learning scenario involving a constructivist approach of learning lays on a paradox. On the one hand, learning flows must be precisely described –...
Anne Lejeune, Muriel Ney, Armin Weinberger, Margus...
IWEC
2004
13 years 9 months ago
Computer Supported Collaborative Sports: Creating Social Spaces Filled with Sports Activities
We present the newly emerging research field of Computer Supported Collaborative Sports (CSCS). By applying innovative input and output technologies, it enables players to experien...
Volker Wulf, Eckehard F. Moritz, Christian Henneke...
BIS
2007
93views Business» more  BIS 2007»
13 years 9 months ago
Homogeneous Temporal Activity Patterns in a Large Online Communication Space
The many-to-many social communication activity on the popular technology-news website Slashdot has been studied. We have concentrated on the dynamics of message production without...
Andreas Kaltenbrunner, Vicenç Gómez,...