一个基于水类型的光学深度学习框架,用于从Sentinel-2图像中对内陆水域的增强度估计
Yue Ma1, Qiuyue Chen1, Kaishan Song2
1School of Geomatics and Prospecting Engineering, Jilin Jianzhu University, Changchun 130118, China.
Sensors (Basel, Switzerland)
|October 29, 2025
概括
这项研究引入了一种新的深度学习方法,用于使用Sentinel-2数据估计水的度. 该方法通过光学分类水类来准确地绘制度图,增强用于水质监测的遥感.
科学领域:
- 环境科学 环境科学
- 遥感 遥感 遥感 遥感
- 水质监测 水质监测
背景情况:
- 度是水质的关键指标,经常使用遥感监测.
- 现有的度估计模型缺乏准确性和适用性,深度学习的使用有限.
- 准确的度估计对于有效的水资源管理至关重要.
研究的目的:
- 通过使用Sentinel-2数据,提出和评估用于内陆水域度估计的深度学习模型.
- 将光学水类型分类与深度学习相结合,以改善度预测.
- 提高水质评估的遥感的准确性和适用性.
主要方法:
- 采用模糊c-means (FCM) 聚类来根据光谱反射率对光学水类 (OWT) 进行分类.
- 开发了一个基于OWT的卷积神经网络随机森林 (CNN-RF) 模型用于度估计.
- 利用FCM会员资格度来创建来自CNN-RF模型的度预测的加权总和.
主要成果:
- FCM成功地将内陆水域分为三个不同的OWT.
- 基于OWT的加权CNN-RF模型实现了高预测精度 (R2 = 0.900,RMSE = 11.698 NTU).
- 生成的度地图准确地反映了水质和空间分布.
结论:
- 建议的深度学习方法,整合了OWT分类,显著提高了度估计的准确性.
- 这种方法提高了水质监测的遥感的稳定性和普遍性.
- 这些发现支持基于光学分类的深度学习模型在环境监测中的更广泛应用.
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