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利用遥感影像中不同地类的纹理特征及灰度特性，提取出地类识别因子，用动态规划方法将各种因子考虑在内，找出不同地类之边缘。这种综合运用的方法可有效地检测遥感影像中地类的边缘。
Using the texture features and the grayscale features of different landforms in remote sensing images, the recognition factors of ground objects are extracted. Various factors are taken into account by dynamic programming to find out the edges of different landmarks. This integrated approach can effectively detect the edge of landforms in remote sensing images.