航测相机野外控制场摄影自检校技术分析  

Technical analysis of camera self-calibration in aerial photogrammetry in control field

作　　者：杨韫澜 胡海彦[2,3] 高力 曹彬才[2,3] 郑浩 YANG Yunlai;HU Haiyan;GAO Li;CAO Bincai;ZHENG Hao(Unit 32021,Beijing 100094,China;Xi'an Research Institute of Surveying and Mapping,Xi'an 710054,China;State Key Laboratory of Geo-Information Engineering,Xi'an 710054,China;Project Management Center,Beijing 100034,China)

机构地区：[1]32021部队,北京100094 [2]西安测绘研究所,陕西西安710054 [3]地理信息工程国家重点实验室,陕西西安710054 [4]项目管理中心,北京100034

出　　处：《测绘科学与工程》2019年第6期12-18,共7页Geomatics Science and Engineering

摘　　要：针对航摄条件下利用野外控制场进行载荷检校所涉及的技术难点,着重围绕航测相机的几何性能、辐射性能及分辨率检测与评估等技术可行性,展开试验分析,设计了适用于野外检校的统一技术框架,包括航摄飞行影像数据采集、野外控制场参考控制数据采集、数据处理分析及验证评估等四个技术环节,尤其针对数据处理分析环节,给出了检校项目与处理流程;同时,利用ADS40.DMC和UltraCamD等典型大幅面传感器进行试验验证分析。结果表明,所提技术路线可行,可为野外永固场建设及新一代国产数字航摄仪研制、性能评估提供技术借鉴。In order to deal with the technical difficulties involved in the payload calibration during the aerial photography in control field,technical feasibilities such as geometric properties,radiation performance and resolution detection and assessment of aerial photogrammetric camera are analyzed,and a unified technical framework for field calibration is designed.The technical framework and specific model parameters are tested and verified using typical large-format sensors such as ADS40,DMC,UltraCamD,etc.The results show that the proposed technical route is feasible,which can be used for the permanent field construction and also provide technical references and methods for the performance assessment and development of the new generation of domestic digital aerial camera as well.

关 键 词：精度分析 数字摄影测量 几何特性 辐射特性 分辨率检测 传感器检校 

分 类 号：P236[天文地球—摄影测量与遥感]