空地大视角影像融合三维重建Three-Dimensional Reconstruction by Air-Ground Image Integration
闫利,娄紫璇,谢洪
摘要(Abstract):
针对利用单一影像数据源进行场景三维重建完整性不足的问题,提出一种同时利用空中影像和地面影像进行密集匹配生成场景三维点云的方法。先通过空三和密集匹配分别获取空中影像和地面影像生成的场景点云,再通过基于面元的点云配准算法获取空地点云之间的转换关系,由此转换关系将空地影像的位姿统一到相同的坐标系统中,最后利用空地影像及其位姿经过密集匹配获得完整的场景三维点云模型。实验结果表明,本文方法与单一源影像重接结果相比,场景完整度提高了9%~16%不等。
关键词(KeyWords): 密集匹配;空地融合;位姿转换
基金项目(Foundation): 国家重点研发计划(2020YFD1100200);; 湖北省科技重大项目(2021AAA010)
作者(Author): 闫利,娄紫璇,谢洪
DOI: 10.14188/j.2095-6045.2021852
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