Adding constrained discontinuities to Gaussian process models of wind fields

Cornford, Dan, Nabney, Ian T. and Williams, Christopher K. I. (1999). Adding constrained discontinuities to Gaussian process models of wind fields. Advances in Neural Information Processing Systems, 11 , pp. 861-867.

Abstract

Gaussian Processes provide good prior models for spatial data, but can be too smooth. In many physical situations there are discontinuities along bounding surfaces, for example fronts in near-surface wind fields. We describe a modelling method for such a constrained discontinuity and demonstrate how to infer the model parameters in wind fields with MCMC sampling.

Divisions: Engineering & Applied Sciences > Computer science
Engineering & Applied Sciences > Computer science research group
Engineering & Applied Sciences > Systems analytics research institute (SARI)
Additional Information: Copyright of the Massachusetts Institute of Technology Press (MIT Press) Available also on Google Books
Uncontrolled Keywords: Gaussian processes,spatial data,discontinuities,near-surface
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Related URLs: http://mitpress ... type=2&tid=4746 (Publisher URL)
Published Date: 1999
Authors: Cornford, Dan ( 0000-0001-8787-6758)
Nabney, Ian T. ( 0000-0003-1513-993X)
Williams, Christopher K. I.

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