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滑坡易感性映射的游戏理论优化:贝叶斯优化的基本神经网络和新一代神经网络模型之间的比较研究.
Javed Mallick1, Meshel Alkahtani2, Hoang Thi Hang3
1Department of Civil Engineering, College of Engineering, King Khalid University, P.O. Box: 394, Abha, 61411, Kingdom of Saudi Arabia. jmallick@kku.edu.sa.
概括
这项研究优化了深度神经网络 (DNN),Elman神经网络 (ENN) 和人工神经网络 (ANN) 以绘制山体滑坡易感性的地图. 深度神经网络模型在识别高风险山体滑坡区域方面表现出卓越的性能.
科学领域:
- 地质科学 地质科学
- 人工智能的人工智能
- 环境科学 环境科学
背景情况:
- 土地滑坡易感性映射 (LSM) 对于减轻对生命和基础设施的风险至关重要.
- 对LSM的Elman神经网络 (ENN),深度神经网络 (DNN) 和人工神经网络 (ANN) 的优化尚未得到充分探索.
- 在LSM中应用贝叶斯优化和夏普利添加式扩展 (SHAP) 需要进一步研究.
研究的目的:
- 优化DNN,ENN和ANN模型使用贝叶斯优化进行强大的山体滑坡易感性映射.
- 从优化模型中导出SHAP值,以了解山体滑坡驱动因素.
- 为了比较LSM优化的DNN,ENN和ANN模型的性能.
主要方法:
- 贝叶斯优化用于调整DNN,ENN和ANN模型的超参数.
- 使用六种基于机器学习的特征选择技术来识别影响滑坡的关键变量.
- 使用接收机操作特征曲线,混矩阵和十二个错误矩阵验证模型性能.
主要成果:
- 特征选择确定了斜率,海拔,降雨量,土地使用和线状物密度作为影响滑坡的关键因素.
- 优化的深度神经网络 (DNN) 模型在土地滑坡易感性映射中显著超过了ENN和ANN模型.
- DNN模型准确地将大面积的区域分为非常低和非常高的山体滑坡易感区域.
结论:
- 优化深度神经网络 (DNN) 对准确的山体滑坡易感性测绘非常有效.
- 导致山体滑坡的关键因素包括高海拔,特定的土地使用类型和接近道路.
- 该研究为利益相关者提供了有价值的见解,以加强山体滑坡风险管理策略.
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