Point Pattern Analysis of Spatial Deformation and Blurring Effects on Exceedances
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comunitat-uji-handle2:10234/7037
comunitat-uji-handle3:10234/8635
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http://dx.doi.org/10.1007/s13253-016-0262-5 |
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Title
Point Pattern Analysis of Spatial Deformation and Blurring Effects on ExceedancesDate
2016-09Publisher
Springer USISSN
1085-7117; 1537-2693Bibliographic citation
MADRID, A. E.; ANGULO, J. M.; MATEU, J. Point pattern analysis of spatial deformation and blurring effects on exceedances. Journal of Agricultural, Biological, and Environmental Statistics, 2016, vol. 21, no 3, p. 512-530.Type
info:eu-repo/semantics/articleVersion
info:eu-repo/semantics/publishedVersionSubject
Abstract
Structural characteristics of random field threshold exceedance sets (e.g., size, connectivity, and boundary regularity) are used in practice for definition of different indicators in spatial and spatio-temporal risk ... [+]
Structural characteristics of random field threshold exceedance sets (e.g., size, connectivity, and boundary regularity) are used in practice for definition of different indicators in spatial and spatio-temporal risk analysis. In this work, point process techniques are applied to study the structural changes derived from random field deformations and blurring transformations, meaningful from both physical and methodological points of view in a variety of contexts. Specifically, based on simulations from a flexible random field model class, features such as aggregation/inhibition of patterns defined by centroids of connected components, as well as by boundary A-exit points, are investigated in relation to the local contraction/dilation effects of deformation and the smoothing properties of blurring. Supplementary materials accompanying this paper appear online. [-]
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Journal of Agricultural, Biological, and Environmental Statistics, 2016, vol. 21, núm. 3Rights
© 2016 International Biometric Society
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