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Stability evaluation method and apparatus for landslide prediction model

A prediction model and evaluation method technology, applied in the direction of biological neural network model, special data processing application, instrument, etc., can solve the problem that the model cannot be transplanted to other similar places, and achieve the effect of improving accuracy

Inactive Publication Date: 2017-08-25
CHENGDU UNIVERSITY OF TECHNOLOGY
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Problems solved by technology

[0004] The most commonly used method is to use the same set of factors to bring multiple models into the same place to obtain a landslide susceptibility map, and then compare the ROC curves of each model to obtain the model with the highest accuracy, but this model often cannot be transplanted to other similar places

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  • Stability evaluation method and apparatus for landslide prediction model
  • Stability evaluation method and apparatus for landslide prediction model
  • Stability evaluation method and apparatus for landslide prediction model

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[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations. Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present invention.

[0021] see figure 1 , a method for evaluating the s...

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Abstract

The invention relates to a stability evaluation method and apparatus for a landslide prediction model. The method comprises a factor selection step, a combination generation step, and a stability evaluation step of obtaining an ROC curve, based on different combinations, of the landslide prediction model by applying test data and evaluating the stability of the landslide prediction model according to the ROC curve. The method and the apparatus are used for evaluating the stability of the landslide prediction model, and a model with relatively high stability is used for performing landslide prediction, so that the landslide prediction accuracy can be improved; and the model with relatively high stability can be obtained through the method according to the landslide prediction model of any region.

Description

technical field [0001] The invention relates to the field of monitoring of natural disasters, in particular to the monitoring of landslide risk, in particular to a method and device for evaluating the stability of a landslide prediction model. Background technique [0002] Earthquakes are a dangerous natural disaster, and their frequency increases every year. Keefer (1984) pointed out that many landslides were triggered by earthquakes greater than Ms4.0. These landslide hazards induced by earthquakes not only threaten people's normal life to a great extent, but also seriously affect the economic development of cities. Therefore, accurate prediction of such hazards becomes particularly important. [0003] In this field, landslide susceptibility mapping is an effective tool to help people understand and map future landslide hazards. Many algorithms (such as logistic regression, artificial neural networks, decision trees, analytic hierarchy process, support vector machines, ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F19/00G06N3/02
CPCG06N3/02G16Z99/00
Inventor 刘瑞陈显华李龙
Owner CHENGDU UNIVERSITY OF TECHNOLOGY
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