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Study on Urban House Information Automation Extraction Model and Its Experiment of High Resolution Remote Sensing Images
Author(s): GUAN Li1, CHENG Chengqi1, LIU Xiangnan2(1.instituteofremotesensingandgis, PEKING University, BEIJING 100871, 2.COLLEGE Ofinformationengineering, CHINA Universityofgeosciences, BEIJING 100083, china)
Pages: 26-
30
Year: 2007
Issue:
5
Journal: Geography and Territorial Research
Keyword: 空间语义模型; 高分辨率遥感; 特征空间; 信息自动提取; 窗口阈值法;
Abstract: 分析高分辨率遥感影像Quick Bird上房屋信息特征空间,构建Quick Bird影像房屋空间语义模型,并以大庆市东城区为实验区域,利用窗口阈值法对影像进行区域分割后,通过空间语义模型实现Quick Bird影像房屋信息的自动提取,并将提取结果与实地采样数据进行精度对比。结果显示,其形状一致性和面积一致性分别达到89.5%和88%,其中,矩形房屋提取效果最佳,人字形、多边形房屋的提取效果较理想,但圆形房屋提取效果不理想。
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