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煤矿区积水塌陷地的动态监测是矿产资源管理的重要方面。针对积水塌陷地的光谱特征和空间结构特征的特点,本文引入非平衡数据集分类思想,提出一种改进的P-WSVM方法。实验表明:基于改进的P-WSVM方法能够快速、准确地提取积水塌陷地信息,并达到良好的效果。
Dynamic monitoring of waterlogged subsidence in coal mines is an important aspect of mineral resources management. In view of the characteristics of spectral features and spatial structure of water-subsidence area, this paper introduces the idea of non-equilibrium data set classification and proposes an improved P-WSVM method. Experiments show that the improved P-WSVM method can quickly and accurately extract the information of the subsidence area and achieve good results.