Automatic classification of landform types in Sichuan Province with the optimum factors complex
Automatic classification of landform types in Sichuan Province with the optimum factors complex
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发表时间：
2009
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通讯作者：
Zhang Dong-hui
中科院分区：
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作者：
Zhang Dong-hui
通过计算机自动识别地貌的内在结构并进行分类，利用地形图等高线生成DEM，提取反映地貌特征的9个地形因子，综合考虑标准差、相关系数和OIF指数，最后选取了5个地形因子对四川省地貌类型进行了分类，并建立了非地形因子函数，将遥感图像自动分类原理中的监督分类方法应用于四川省地貌类型的自动分类中，它是从定性描述出发，对地形特征进行定量描述。
Through computers,the inherent structure of landform can be identified and classified automatically.The DEM is made from the topographic map contour lines.It is used to gain 9 topographical factors which can reflect the topographical features.The standard deviation,correlation coefficient and OIF index are taken into account comprehensively,so that 5 topographical factors which are considered as the most appropriate ones are finally chosen to classify the geomorphic types of the Sichuan Province.The function named non-supervised classification from the principle of automatic classification of remote sensing images is applied to the automatic classification of landform types of Sichuan.It is a quantitative description of topographical features derived from the qualitative description.