基于IMU/GPS辅助的航空摄影测量与误差检验  

Aerial Photogrammetry and Error Verification Based on IMU/GPS Assistance

作　　者：王柯棉 孙照植 Wang Kemian;Sun Zhaozhi(Shandong Geotechnical Survey and Design Institute Co.,Ltd.,Yantai,China)

机构地区：[1]山东岩土勘测设计研究院有限公司,山东烟台

出　　处：《科学技术创新》2025年第12期47-50,共4页Scientific and Technological Innovation

摘　　要：为了提升航空摄影测量的精度与效率,通过介绍IMU/GPS辅助航空摄影测量的主要误差源提取方法,详细分析了包括传感器误差、环境干扰等在内的多种误差来源。在此基础上,进行检校场的布设与飞行设计,包括合理的检校场布设方案及航线规划,以确保测量数据的可靠性。实施基于IMU/GPS辅助的航空摄影测量,包括像控点、检查点的精确选取,空中三角测量计算,以及基于法方程的测量结果校正。为了验证测量值的准确性,进行误差检验,包括准备阶段和实验步骤,并对结果进行深入分析。研究结果表明,采用IMU/GPS辅助的航空摄影测量方法能显著提高测量精度,同时,通过严格的误差检验流程,可以进一步确保测量结果的可靠性。In order to improve the accuracy and efficiency of aerial photogrammetry,this paper introduces the main error source extraction methods of IMU/GPS assisted aerial photogrammetry,and analyzes in detail various error sources including sensor errors,environmental interference,etc.On this basis,the layout and flight design of the calibration site are carried out,including a reasonable layout plan and route planning,to ensure the reliability of the measurement data.Implement IMU/GPS assisted aerial photogrammetry,including precise selection of control points and checkpoints,aerial triangulation calculations,and calibration of measurement results based on normal equations.In order to verify the accuracy of the measured values,error testing is carried out,including the preparation stage and experimental steps,and the results are analyzed in depth.The research results indicate that the use of IMU/GPS assisted aerial photogrammetry methods can significantly improve measurement accuracy,and through a strict error checking process,the reliability of measurement results can be further ensured.

关 键 词：IMU/GPS辅助 航空 摄影 测量 误差 检验 

分 类 号：P231[天文地球—摄影测量与遥感]