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Information Theoretic Model Validation by Approximate Optimization

Information Theoretic Model Validation by Approximate Optimization

This video was recorded at NIPS Workshops, Whistler 2010. Model selection in pattern recognition requires (i) to specify a suitable cost function for the data interpretation and (ii) to control the degrees of freedom depending on the noise level in the data. We advocate an information theoretic perspective where the uncertainty in the measurements quantizes the solution space of the underlying optimization problem, thereby adaptively regularizing the cost function. A pattern recognition model, which can tolerate a higher level of fluctuations in the measurements than alternative models, is considered to be superior provided that the solution is equally informative. The optimal tradeoff between ''informativeness'' and ''robustness'' is quantified by the approximation capacity of the selected... Show More
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