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随着无人机技术、全数字摄影测量技术的迅速发展航空摄影测量的优势越发显著。论文针对无人机航测法生产1:500比例尺DLG的研究通过研究关键技术点如像控点的布设与采集、像控点的精度和密度影响空中三角测量的精度选取航摄的重叠度、相对航高提高航摄影像的质量得出建成区无人机航测法生产1:500比例尺DLG航向重叠度选取80%、旁向重叠度选取80%的数据。大于5万m2的区域除区块拐角布设像控点外其他区域每隔150~200m布设一个像控点。