英文摘要
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The spatial decision support system combines geographic information system technology and decision support theory to improve the decision-making efficiency of spatial problems. The past researches on the analysis of landslide are focused on statistics and simulation. This research attempts to use unsupervised optimization clustering theory to carry out the spatial analysis of landslide. Because of its high dimensionality, large amounts of data must be deleted when collecting data. Therefore, dimensional reduction technology can dig out the structure of data and simplify the data from a large amount of data to solve the difficulty of spatial analysis. However, this research attempts to use cluster analysis (K-means) combined with particle swarm optimization (Particle Swarm Optimization) to select the most representative critical point (cutting Point). The particle swarm optimization to establish knowledge rules, according to the discretization algorithm after the truth value is quantified as well as find the important core factors and then finally obtain the threshold. That is, the hybrid model of KPSO (K-means + Particle Swarm Optimization) analysis based on the spatial distribution of the landslide in the study area. The geological, hydrological factors, topographical factors, vegetation factors and other related factors of the landslide is then applied to discuss the impact mechanism. The potential distribution of the landslide can help to grasp the interpretive spatial information and then build a complete landslide decision support system.
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参考文献
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