利用无人机倾斜摄影三维模型进行大比例尺成图技术研究

Research on large scale mapping technology using three-dimensional model of UAV tilt photography

在无人机倾斜摄影三维模型的基础上,利用数据的去噪优化、主基线提取和主基线优化等创新技术,研发大比例尺测图系统,解决了常规的全野外数字测图方法工作量大,老城区建筑物密集,受通视条件和住户封闭性、私密性的影响,以及工序复杂、成本高等问题。设定严密的法则和阈值剔除粗差、优化组合,可确保基线的质量,保证测绘成果的精度。

Based on the large-scale mapping technology of the 3 D model of the UAV tilt photography,the large-scale mapping system is developed by using innovative techniques such as data denoising optimization,main baseline extraction and optimization. The system can solve the problems of large workload,large buildings in the old city,intensive conditions in the old city,closedness and privacy of the residents,complicated procedures and high cost in the conventional full field digital mapping method. Set strict rules and thresholds to eliminate gross errors and optimize combinations,ensure the quality of the baseline,ensure the accuracy of surveying and mapping results,and the level of research and development has reached the domestic advanced level.