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DICTA
2009
14 years 11 months ago
Multivariate Skew t Mixture Models: Applications to Fluorescence-Activated Cell Sorting Data
In many applied problems in the context of pattern recognition, the data often involve highly asymmetric observations. Normal mixture models tend to overfit when additional compone...
Kui Wang, Shu-Kay Ng, Geoffrey J. McLachlan
CORR
2006
Springer
127views Education» more  CORR 2006»
14 years 9 months ago
Approximating Rate-Distortion Graphs of Individual Data: Experiments in Lossy Compression and Denoising
Classical rate-distortion theory requires knowledge of an elusive source distribution. Instead, we analyze rate-distortion properties of individual objects using the recently devel...
Steven de Rooij, Paul M. B. Vitányi
CORR
2007
Springer
169views Education» more  CORR 2007»
14 years 9 months ago
Algorithmic Complexity Bounds on Future Prediction Errors
We bound the future loss when predicting any (computably) stochastic sequence online. Solomonoff finitely bounded the total deviation of his universal predictor M from the true d...
Alexey V. Chernov, Marcus Hutter, Jürgen Schm...
JCNS
2006
69views more  JCNS 2006»
14 years 9 months ago
Effects of stimulus transformations on estimates of sensory neuron selectivity
Stimulus selectivity of sensory systems is often characterized by analyzing responseconditioned stimulus ensembles. However, in many cases these response-triggered stimulus sets h...
Alexander G. Dimitrov, Tomás Gedeon
TIT
2008
79views more  TIT 2008»
14 years 9 months ago
Outage Capacity of MIMO Poisson Fading Channels
The information outage probability of a shot-noise limited direct detection multiple-input multipleoutput (MIMO) optical channel subject to block fading is considered. Information...
Kaushik Chakraborty, Subhrakanti Dey, Massimo Fran...