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Uncertainty in mineral prospectivity prediction

Kraipeerapun, P., Fung, C.C.ORCID: 0000-0001-5182-3558, Brown, W., Wong, K.W. and Gedeon, T. (2006) Uncertainty in mineral prospectivity prediction. In: 13th International Conference on Neural Information Processing, ICONIP 2006, 3-6 Oct. 2006, Hong Kong, China pp. 841-849.

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This paper presents an approach to the prediction of mineral prospectivity that provides an assessment of uncertainty. Two feedforward backpropagation neural networks are used for the prediction. One network is used to predict degrees of favourability for deposit and another one is used to predict degrees of likelihood for barren, which is opposite to deposit. These two types of values are represented in the form of truth-membership and false-membership, respectively. Uncertainties of type error in the prediction of these two memberships are estimated using multidimensional interpolation. These two memberships and their uncertainties are combined to predict mineral deposit locations. The degree of uncertainty of type vagueness for each cell location is estimated and represented in the form of indeterminacy-membership value. The three memberships are then constituted into an interval neutrosophic set. Our approach improves classification performance compared to an existing technique applied only to the truth-membership value.

Item Type: Conference Paper
Murdoch Affiliation(s): School of Information Technology
Publisher: Springer Berlin
Copyright: © Springer-Verlag Berlin Heidelberg 2006
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