利用WorldView-3立体影像生产1∶2000比例尺3D产品  

Production of 1∶2000 Scale 3D Products Using WorldView-3 Stereo Pairs

作　　者：肖潇 左琛[1,2] 侯庆明 李兵[1,2] XIAO Xiao;ZUO Chen;HOU Qingming;LI Bing(Beijing Institute of Surveying and Mapping,Beijing 100038,China;Beijing Key Laboratory of Urban Spatial Information Engineering,Beijing 100038,China)

机构地区：[1]北京市测绘设计研究院,北京100038 [2]城市空间信息工程北京市重点实验室,北京100038

出　　处：《北京测绘》2019年第3期310-313,共4页Beijing Surveying and Mapping

摘　　要：立体卫星影像在覆盖范围、重访周期、测绘产品更新速度、数据获取成本等方面较传统航空影像有着较明显的优势。WorldView-3是迄今全球空间分辨率最高的商业遥感卫星,全色波段分辨率0.31m,能获取同轨立体像对,理论上可代替传统航空影像用于大比例尺测图。本文以北京市石景山区和通州区的两个WorldView-3立体像对为数据源,确定了一整套制作1∶2000比例尺3D产品的技术流程,具体包括数字线划图(Digital Line Graphic, DLG)、数字高程模型(Digital Elevation Model, DEM)和正射影像图(Digital Orthophoto Map, DOM),验证了3D产品的精度,成图结果符合国标精度要求,并为生产作业中控制点布设方案、密集匹配算法选取等提供了参照和解决方案。Compared with traditional aerial imagery,satellite stereo images have obvious advantages in coverage,revisit cycle,speed of mapping products update,cost of data acquisition,etc.The spatial resolution of the WorldView-3 panchromatic image is 0.31 m,which is the highest spatial resolution of commercial remote sensing satellite in the world.WorldView-3 satellite can acquire stereo pairs on the same track,that can theoretically replace traditional aerial images for large-scale mapping.This paper used two WorldView-3 stereo pairs in Shijingshan District and Tongzhou District of Beijing,exploring the process of making 1∶2000 scale 3D products,which includes digital line graphic(DLG),digital elevation model(DEM)and digital orthophoto map(DOM).The precision of 3D products had been confirmed to meet the 1∶2000 precision requirements,and solutions for the arrangement of control points as well as dense stereo matching algorithm selection were provided.

关 键 词：立体像对 数字线划图(DLG) 数字高程模型(DEM) 数字正射影像图(DOM) 

分 类 号：P231[天文地球—摄影测量与遥感]