[an error occurred while processing this directive] 世界地质 2018, 37(4) 1258-1264 DOI:   10.3969/j.issn.1004-5589.2018.04.026  ISSN: 1004-5589 CN: 22-1111/P

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本文关键词相关文章
DSM
坡度
对比度分割
面向对象影像分析
优化轮廓
本文作者相关文章
王俊博
金琦
杨国东
张旭晴
詹国旗
邵鹏
PubMed
Article by Wang J
Article by Jin Q
Article by Yang G
Article by Zhang X
Article by Zhan G
Article by Shao P
一种基于面向对象辅以DSM的建筑物提取方法
王俊博1, 金琦1, 杨国东1, 张旭晴1, 詹国旗1, 邵鹏2
1. 吉林大学地球探测科学与技术学院, 长春 130026;
2. 中国石油管道局工程有限公司, 河北 廊坊 065000
摘要: 基于面向对象技术并辅以DSN的方法来快速提取建筑物信息,从LiDAR点云数据生成的DSM中提取到坡度信息,并根据对象的高度信息来提取到建筑物的大致轮廓,然后分割建筑物轮廓外的对象,依据已分建筑物对象的空间信息、形状信息及光谱信息来优化建筑物轮廓。实验结果表明,提取到的对象的正确率为97.9%,完整率为96.4%。
关键词 DSM   坡度   对比度分割   面向对象影像分析   优化轮廓  
A building extraction method based on object-oriented technology and DSM image
WANG Jun-bo1, JIN Qi1, YANG Guo-dong1, ZHANG Xu-qing1, ZHAN Guo-qi1, SHAO Peng2
1. College of Geo-exploration Science and Technology, Jilin University, Changchun 130026, China;
2. China Petroleum Pipeline Bureau Engineering Co., Ltd, Langfang 065099, Hebei, China
Abstract: Based on the object-oriented technology and DSN method, the building information is extracted quickly. The slope information is extracted from DSM generated by LiDAR point cloud data, and the outline of building is extracted according to the height information of object. The object outside the outline of the building is then subdivided. The outline of the building is optimized based on the spatial information, shape information and spectral information of the divided building objects. The experimental results show that the correct rate of the extracted objects is 97.9%, and the completeness rate is 96.4%.
Keywords: DSM   slope   contrast segmentation   object-oriented image analysis   optimization of contours  
收稿日期 2018-04-27 修回日期 2018-09-20 网络版发布日期  
DOI: 10.3969/j.issn.1004-5589.2018.04.026
基金项目:

国家自然科学基金项目(41472243)、国土资源部城市土地资源监测与仿真重点实验室开放基金项目(KF-2016-02-008)、区域开发与环境响应湖北省重点实验室开放研究基金项目(2015(B)003)联合资助.

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