Assessing similarities between spatial point patterns with a Siamese neural network discriminant model
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https://doi.org/10.1007/s11634-021-00485-0 |
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Title
Assessing similarities between spatial point patterns with a Siamese neural network discriminant modelDate
2023Publisher
SpringerISSN
1862-5347; 1862-5355Bibliographic citation
Jalilian, A., Mateu, J. Assessing similarities between spatial point patterns with a Siamese neural network discriminant model. Adv Data Anal Classif 17, 21–42 (2023). https://doi.org/10.1007/s11634-021-00485-0Type
info:eu-repo/semantics/articlePublisher version
https://link.springer.com/article/10.1007/s11634-021-00485-0Version
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Abstract
Identifying structural differences among observed point patterns from several populations is of interest in several applications. We use deep convolutional neural networks and employ a Siamese framework to build a ... [+]
Identifying structural differences among observed point patterns from several populations is of interest in several applications. We use deep convolutional neural networks and employ a Siamese framework to build a discriminant model for distinguishing structural differences between spatial point patterns. In a simulation study, and using a one-shot learning classification, we show that the Siamese network discriminant model outperforms the common dissimilarities based on intensity and K functions. The model is then used to analyze similarities between spatial point patterns of 130 species in a tropical rainforest study plot observed at different time instances. The simulation study and data analysis show the adequacy and generality of a Siamese network discriminant model in the classification of spatial point patterns. [-]
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Advances in Data Analysis and Classification, 2023, 17Rights
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