【摘要】 基于RS和GIS技术,采用面向对象分类技术,根据沈阳市的实际情况,建立土地利用类型解译标志,利用多尺度分割方法进行影像分割,然后利用决策树法和最近邻的分类方法,建立分类规则,提取区域土地利用信息,得到该区域的两期土地利用/土地覆被数据,并对研究区的土地利用动态变化及引起这种变化的驱动力进行分析.研究中所采用的面向对象的分类方法在地表景观信息提取中充分利用了地物的光谱信息、纹理特征等特征,最大程度上克服由于不同地物光谱信息相似、相同地物光谱信息不同而造成的混分现象.更多还原

【Abstract】 Based on RS and GIS, the authors build the interpretation mark of land use type with object-oriented classification technology in accordance with the actual situation of Shenyang, to split images with multi-scale segmentation.A classification rule is established with decision tree method and nearest-neighbor method to extract the regional land use information and get the land use/ land cover data of two periods. The dynamic change of land use and its driving force in the study area is then analyzed. In the abstraction of surface landscape information, the object-oriented classification fully uses the ground-object spectral information and texture features to overcome mixing phenomenon to the maximum extent due to similarity of different ground-object spectral information and difference of the same spectral information.更多还原