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本文介绍了遥感数字图像处理技术(影象比值变换、生物量指标变换、灰度值线性拉伸等)在洪湖水域水生植物计算机自动分类中的应用;并配合野外光谱测定和植物样品叶绿素含量测定数据,对挺水、浮叶和沉水植物作计算机自动分类的可能性和可信性进行了分析。文中展示了洪湖水生植物群丛的分类图并统计了各类群的面积。本试验结果为研究洪湖水体及水生植物的演替和湖泊管理提供了有意义的数据。
This paper introduces the application of remote sensing digital image processing technology (image ratio transformation, biomass index transformation, gray value linear stretching, etc.) in the automatic classification of aquatic plants in Honghu waters. In addition, the field spectrometry and the determination of chlorophyll content Data were used to analyze the possibility and credibility of computer automatic classification of emergent, floating and submerged macrophytes. The paper shows the classification map of the Honghu aquatic flora and statistics of the area of each group. The results of this study provide meaningful data for studying the succession and lake management of Honghu water bodies and aquatic plants.