Please use this identifier to cite or link to this item: http://ktisis.cut.ac.cy/handle/10488/7220
Title: The one-hidden layer non-parametric Bayesian kernel machine
Authors: Korkinof, Dimitrios 
Demiris, Yiannis 
Chatzis, Sotirios P. 
Korkinof, Dimitrios 
Demiris, Yiannis 
Keywords: Artificial intelligence
Communication, Networking & Broadcasting
Computing & Processing (Hardware/Software)
Neurons
Benchmarking
Neural networks
Semantics
Issue Date: 2011
Publisher: IEEE Xplore
Source: 23rd IEEE international conference on tools with artificial intelligence (ICTAI), 2011, Pages 825-831
Abstract: In this paper, we present a nonparametric Bayesian approach towards one-hidden-layer feed forward neural networks. Our approach is based on a random selection of the weights of the synapses between the input and the hidden layer neurons, and a Bayesian marginalization over the weights of the connections between the hidden layer neurons and the output neurons, giving rise to a kernel-based nonparametric Bayesian inference procedure for feed forward neural networks. Compared to existing approaches, our method presents a number of advantages, with the most significant being: (i) it offers a significant improvement in terms of the obtained generalization capabilities, (ii) being a nonparametric Bayesian learning approach, it entails inference instead of fitting to data, thus resolving the over fitting issues of non-Bayesian approaches, and (iii) it yields a full predictive posterior distribution, thus naturally providing a measure of uncertainty on the generated predictions (expressed by means of the variance of the predictive distribution), without the need of applying computationally intensive methods, e.g., bootstrap. We exhibit the merits of our approach by investigating its application to two difficult multimedia content classification applications: semantic characterization of audio scenes based on content, and yearly song classification, as well as a set of benchmark classification and regression tasks
URI: http://ktisis.cut.ac.cy/handle/10488/7220
ISBN: 978-1-4577-2068-0 (print)
978-0-7695-4596-7 (online)
DOI: 10.1109/ICTAI.2011.129
Rights: © 2011 IEEE
Appears in Collections:Κεφάλαια βιβλίων/Book chapters

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