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Detection of correlations
Sparse covariance matrix minimax detection Bayesian detection scan statistic
2011/7/5
We consider the hypothesis testing problem of deciding whether an observed high-dimensional normal vector has independent components or, alternatively, if it has a small subset of correlated component...
Detection of objects in noisy images based on percolation theory
signal detection image re-construction percolation noisy image unknown noise
2011/3/24
We propose a novel statistical method for detection of objects in noisy images. The method uses results from percolation and random graph theories. We present an algorithm that allows to detect object...
Optimal sequential change-detection for fractional stochastic differential equations
优化序贯Optimal sequential change-detection fractional stochastic differential equations
2011/3/18
The sequential detection of an abrupt and persistent change in the dynamics of an arbitrary continuous-path stochastic process is considered; the optimality of the cumulative sums (CUSUM) test is esta...