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CCS
2009
ACM
14 years 9 months ago
Formalizing information security knowledge
Unified and formal knowledge models of the information security domain are fundamental requirements for supporting and enhancing existing risk management approaches. This paper de...
Stefan Fenz, Andreas Ekelhart
NIPS
2003
13 years 10 months ago
Fast Algorithms for Large-State-Space HMMs with Applications to Web Usage Analysis
In applying Hidden Markov Models to the analysis of massive data streams, it is often necessary to use an artificially reduced set of states; this is due in large part to the fac...
Pedro F. Felzenszwalb, Daniel P. Huttenlocher, Jon...
TIP
2008
89views more  TIP 2008»
13 years 9 months ago
Optimal Denoising in Redundant Representations
Abstract--Image denoising methods are often designed to minimize mean-squared error (MSE) within the subbands of a multiscale decomposition. However, most high-quality denoising re...
Martin Raphan, Eero P. Simoncelli
CIVR
2008
Springer
207views Image Analysis» more  CIVR 2008»
13 years 10 months ago
Accumulated motion energy fields estimation and representation for semantic event detection
In this paper, a motion-based approach for detecting highlevel semantic events in video sequences is presented. Its main characteristic is its generic nature, i.e. it can be direc...
Georgios Th. Papadopoulos, Vasileios Mezaris, Ioan...
SIGGRAPH
2000
ACM
14 years 1 months ago
Displaced subdivision surfaces
In this paper we introduce a new surface representation, the displaced subdivision surface. It represents a detailed surface model as a scalar-valued displacement over a smooth do...
Aaron W. F. Lee, Henry P. Moreton, Hugues Hoppe