简介:摘要:在传统国土调查方法中,由于受到多种条件约束,工作底图以卫星遥感、航空影像等正射影像图为主,需要逐一对各地块的地类、面积等情况进行调查。卫星遥感、航空影像等因受较长获取周期的影响,成本很高,难以快速、高效地获取目标区域高清影像数据。为了保证第三次全国国土调查(以下简称“三调”)工作正常开展,需要引进最新测绘手段,得到分辨率与时效性高的土地调查数据。基于此,可利用无人机技术在数据获取上发挥高清、灵活、快速和多角度等优势,推动“三调”工作高效完成。
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