Then, by studying Fuyu County as a case, using 1:50000 relief map as assistant data, building up classification system of residential points, and using ETM images to distill information of residential area, the inversion model of population distribution w
Then, by studying Fuyu County as a case, using 1:50000 relief map as assistant data, building up classification system of residential points, and using ETM images to distill information of residential area, the inversion model of population distribution w
进而以扶余县为例，以1:5万地形图为辅助数据，建立居民点分类体系，利用ETM影像提取居民点信息，在以上模型的基础上建立人口分布的反演模型，得到基于居民点的人口分布矢量数据。