基于近景摄影测量的钱塘江涌潮三维观测技术研究  

Research on Three Dimensional Observation Technology for Qiantang Bore Based on Close Range Photogrammetry

作　　者：徐柳华 郑先伟[2] 唐敏[3] 祝彦敏 XU Liuhua;ZHENG Xianwei;TANG Min;ZHU Yanmin(Zhejiang Academy of Surveying and Mapping,Hangzhou 310023,China;State Key Laboratory of Information Engineering in Surveying,Mapping and Remote Sensing,Wuhan University,Wuhan 430079,China;School of Remote Sensing and Information Engineering,Wuhan University,Wuhan 430079,China)

机构地区：[1]浙江省测绘科学技术研究院,浙江杭州310023 [2]武汉大学测绘遥感信息工程国家重点实验室,湖北武汉430079 [3]武汉大学遥感信息工程学院,湖北武汉430079

出　　处：《测绘地理信息》2020年第4期37-39,共3页Journal of Geomatics

摘　　要：针对传统钱塘江涌潮观测作业方式,借助近景摄影测量、SFM(structure from motion)等技术手段,开展钱塘江涌潮三维观测,利用立体相机采集钱塘江涌潮影像数据,基于相机标定、影像匹配、后期解算方式等作业环节获取瞬时波浪三维形态,提取钱塘江涌潮高度、潮型线等数据。并在钱塘江岸多个站点搭建起了功能完善的钱塘江涌潮三维摄影测量系统,针对钱塘江涌潮开展常态化监测,为钱塘江涌潮的科学分析提供了重要的基础性数据资料。In view of the traditional Qiantang tidal bore observation operation mode,this paper carries out the Qiantang tidal bore three-dimensional observation with the help of close range photogrammetry and SFM,uses the stereo camera to collect the Qiantang tidal bore image data,obtains the instantaneous wave three-dimensional shape based on the camera calibration,image matching and later calculation method.The data of the tidal bore height and tidal line of the Qiantang are taken.The Qiantang tidal bore three-dimensional photogrammetry system has been set up in many sites on the shore of the Qiantang which provides the important basic data for the scientific analysis of the Qiantang tidal bore according to the normalization monitoring of the Qiantang tidal bore.

关 键 词：近景摄影测量 钱塘江涌潮 三维重建 SFM 

分 类 号：P208[天文地球—地图制图学与地理信息工程] P232[天文地球—测绘科学与技术]