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ICA
2007
Springer
15 years 3 months ago
On Separation of Signal Sources Using Kernel Estimates of Probability Densities
The discussion in this paper revolves around the notion of separation problems. The latter can be thought of as a unifying concept which includes a variety of important problems in...
Oleg V. Michailovich, Douglas Wiens
AVSS
2005
IEEE
15 years 3 months ago
Hypovigilence analysis: open or closed eye or mouth? Blinking or yawning frequency?
This paper proposes a frequency method to estimate the state open or closed of eye and mouth and to detect associated motion events such as blinking and yawning. The context of th...
Alexandre Benoit, Alice Caplier
FM
2009
Springer
155views Formal Methods» more  FM 2009»
15 years 4 months ago
Towards an Operational Semantics for Alloy
Abstract. The Alloy modeling language has a mathematically rigorous denotational semantics based on relational algebra. Alloy specifications often represent operations on a state,...
Theophilos Giannakopoulos, Daniel J. Dougherty, Ka...
COLT
2007
Springer
15 years 3 months ago
Minimax Bounds for Active Learning
This paper analyzes the potential advantages and theoretical challenges of “active learning” algorithms. Active learning involves sequential sampling procedures that use infor...
Rui Castro, Robert D. Nowak
SIGIR
2003
ACM
15 years 2 months ago
Automatic ranking of retrieval systems in imperfect environments
The empirical investigation of the effectiveness of information retrieval (IR) systems requires a test collection, a set of query topics, and a set of relevance judgments made by ...
Rabia Nuray, Fazli Can