Generation of complex digital building model by integrating lidar and aerial images

Computer Engineering and Applications ›› 2013, Vol. 49 ›› Issue (2): 13-18.

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Generation of complex digital building model by integrating lidar and aerial images

LIN Chengda1, ZHAI Ruifang2

1.School of Resource and Envrionment, Huazhong Agricultural University, Wuhan 430070, China
2.Department of Computer Science, College of Science, Huazhong Agricultural University, Wuhan 430070, China

Online:2013-01-15 Published:2013-01-16

LiDAR和航空影像集成的复杂建筑物重建研究

林承达1，翟瑞芳2

1.华中农业大学资源与环境学院，武汉 430070
2.华中农业大学理学院计算机系，武汉 430070

Abstract

Abstract: The integration of stereo-aerial images and LiDAR data has provided a promising methodology for building model generation because of the advantages and disadvantages of them. This paper starts by generating rough building boundary lines from LiDAR data. The rough boundaries are refined by introducing stereo aerial imagery. This process includes：straight line detection from stereo aerial images, line matching, 3D line grouping, precise boundary selection, and closed polygon generation. The experimental results are analyzed and discussed, meanwhile, the performance of the experimental results is evaluated from three aspects, correctness, completeness, and accuracy of the generated building models.

Key words: stereo-aerial images, LiDAR, digital building model generation

摘要： 利用航空影像和LiDAR数据各自的优势点而进行的融合为复杂建筑物三维重建提供了一种可靠的途径。利用LiDAR数据获取建筑物初始边界，在航空影像中提取出边界特征，从而对初始建筑物边界进行精化；针对少量错误和丢失的建筑物边界进行编辑，开发了相应的软件系统。对某研究区域进行实验，并从重建建筑物模型的正确性、完整性和精度三方面进行分析，证明了所提出算法的可行性和有效性。

关键词: 航空影像, LiDAR, 建筑物重建

LIN Chengda1, ZHAI Ruifang2. Generation of complex digital building model by integrating lidar and aerial images[J]. Computer Engineering and Applications, 2013, 49(2): 13-18.

林承达1，翟瑞芳2. LiDAR和航空影像集成的复杂建筑物重建研究[J]. 计算机工程与应用, 2013, 49(2): 13-18.

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Generation of complex digital building model by integrating lidar and aerial images

LiDAR和航空影像集成的复杂建筑物重建研究

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