ENVINet5深度学习变化检测框架用于估计2012-2023年期间的农业变化,使用Landsat系列数据
Gurwinder Singh1, Neelam Dahiya2, Vishakha Sood3
1School of Sciences, Noida International University, Sector-17A, Noida, Uttar Pradesh, 203201, India.
Environmental monitoring and assessment
|February 4, 2024
概括
使用Landsat数据的遥感显示,从2012年到2023年,农业用地发生了重大变化. 植被减少,而建筑面积扩大,影响作物产量预测和精准农业.
科学领域:
- 地球观测 地球观测
- 农业科学 农业科学
- 遥感技术 遥感技术 遥感技术
背景情况:
- 遥感对于分析农田的多时变化至关重要.
- 陆地卫星任务提供长期,中等分辨率的卫星图像,用于成本有效的土地分析.
- 土地表面的绘制和监测依赖于分类和变化检测模型.
研究的目的:
- 提出基于深度学习的变化检测 (DCD) 算法,用于分析长期农业变化.
- 从2012年到2023年使用Landsat系列数据集 (Landsat-7, -8, -9).
- 准确识别季节性变化和土地覆盖的变化.
主要方法:
- 开发了一个基于深度学习的变化检测 (DCD) 算法.
- 整合了ENVI Net-5分类模型与后置基于概率的分类后比较 (PCD) 模型.
- 从Landsat卫星数据中提取了光谱和地理特征,以确定季节性变化.
主要成果:
- 在2012年至2023年期间,植被覆盖面下降.
- 使用Landsat-7和Landsat-8数据集,建筑用地增加了高达88.22%.
- 包括水和地在内的退化面积显著减少.
结论:
- DCD算法准确地检测季节性变化和长期农业变化.
- 这些发现支持在作物生长识别,产量预测,精准农业和作物绘图方面的应用.
- 未来的工作可能涉及更高分辨率的数据集,以提高准确性.
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