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• W2023203753 endingPage "582" @default.
• W2023203753 startingPage "572" @default.
• W2023203753 abstract "The Support Vector Machine (SVM) is an increasingly popular learning procedure based on statistical learning theory, and involves a training phase in which the model is trained by a training dataset of associated input and target output values. The trained model is then used to evaluate a separate set of testing data. There are two main ideas underlying the SVM for discriminant-type problems. The first is an optimum linear separating hyperplane that separates the data patterns. The second is the use of kernel functions to convert the original non-linear data patterns into the format that is linearly separable in a high-dimensional feature space. In this paper, an overview of the SVM, both one-class and two-class SVM methods, is first presented followed by its use in landslide susceptibility mapping. A study area was selected from the natural terrain of Hong Kong, and slope angle, slope aspect, elevation, profile curvature of slope, lithology, vegetation cover and topographic wetness index (TWI) were used as environmental parameters which influence the occurrence of landslides. One-class and two-class SVM models were trained and then used to map landslide susceptibility respectively. The resulting susceptibility maps obtained by the methods were compared to that obtained by the logistic regression (LR) method. It is concluded that two-class SVM possesses better prediction efficiency than logistic regression and one-class SVM. However, one-class SVM, which only requires failed cases, has an advantage over the other two methods as only “failed” case information is usually available in landslide susceptibility mapping." @default.
• W2023203753 created "2016-06-24" @default.
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• W2023203753 date "2008-11-01" @default.
• W2023203753 modified "2023-10-05" @default.
• W2023203753 title "Landslide susceptibility mapping based on Support Vector Machine: A case study on natural slopes of Hong Kong, China" @default.
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• W2023203753 doi "https://doi.org/10.1016/j.geomorph.2008.02.011" @default.
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