Non-rigid vehicle-borne LiDAR-assisted aerotriangulation

Li Zheng, Yuhao Li, Meng Sun, Zheng Ji, Manzhu Yu, Qingbo Shu

Research output: Contribution to journalArticle

Abstract

VLS (Vehicle-borne Laser Scanning) can easily scan the road surface in the close range with high density. UAV (Unmanned Aerial Vehicle) can capture a wider range of ground images. Due to the complementary features of platforms of VLS and UAV, combining the two methods becomes a more effective method of data acquisition. In this paper, a non-rigid method for the aerotriangulation of UAV images assisted by a vehicle-borne light detection and ranging (LiDAR) point cloud is proposed, which greatly reduces the number of control points and improves the automation. We convert the LiDAR point cloud-assisted aerotriangulation into a registration problem between two point clouds, which does not require complicated feature extraction and match between point cloud and images. Compared with the iterative closest point (ICP) algorithm, this method can address the non-rigid image distortion with a more rigorous adjustment model and a higher accuracy of aerotriangulation. The experimental results show that the constraint of the LiDAR point cloud ensures the high accuracy of the aerotriangulation, even in the absence of control points. The root-mean-square error (RMSE) of the checkpoints on the x, y, and z axes are 0.118 m, 0.163 m, and 0.084m, respectively, which verifies the reliability of the proposed method. As a necessary condition for joint mapping, the research based on VLS and UAV images in uncontrolled circumstances will greatly improve the efficiency of joint mapping and reduce its cost.

Original languageEnglish (US)
Article number1188
JournalRemote Sensing
Volume11
Issue number10
DOIs
StatePublished - May 1 2019

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aerial triangulation
laser
detection
vehicle
automation
data acquisition
method
road

All Science Journal Classification (ASJC) codes

  • Earth and Planetary Sciences(all)

Cite this

Zheng, Li ; Li, Yuhao ; Sun, Meng ; Ji, Zheng ; Yu, Manzhu ; Shu, Qingbo. / Non-rigid vehicle-borne LiDAR-assisted aerotriangulation. In: Remote Sensing. 2019 ; Vol. 11, No. 10.
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abstract = "VLS (Vehicle-borne Laser Scanning) can easily scan the road surface in the close range with high density. UAV (Unmanned Aerial Vehicle) can capture a wider range of ground images. Due to the complementary features of platforms of VLS and UAV, combining the two methods becomes a more effective method of data acquisition. In this paper, a non-rigid method for the aerotriangulation of UAV images assisted by a vehicle-borne light detection and ranging (LiDAR) point cloud is proposed, which greatly reduces the number of control points and improves the automation. We convert the LiDAR point cloud-assisted aerotriangulation into a registration problem between two point clouds, which does not require complicated feature extraction and match between point cloud and images. Compared with the iterative closest point (ICP) algorithm, this method can address the non-rigid image distortion with a more rigorous adjustment model and a higher accuracy of aerotriangulation. The experimental results show that the constraint of the LiDAR point cloud ensures the high accuracy of the aerotriangulation, even in the absence of control points. The root-mean-square error (RMSE) of the checkpoints on the x, y, and z axes are 0.118 m, 0.163 m, and 0.084m, respectively, which verifies the reliability of the proposed method. As a necessary condition for joint mapping, the research based on VLS and UAV images in uncontrolled circumstances will greatly improve the efficiency of joint mapping and reduce its cost.",
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Zheng, L, Li, Y, Sun, M, Ji, Z, Yu, M & Shu, Q 2019, 'Non-rigid vehicle-borne LiDAR-assisted aerotriangulation', Remote Sensing, vol. 11, no. 10, 1188. https://doi.org/10.3390/rs11101188

Non-rigid vehicle-borne LiDAR-assisted aerotriangulation. / Zheng, Li; Li, Yuhao; Sun, Meng; Ji, Zheng; Yu, Manzhu; Shu, Qingbo.

In: Remote Sensing, Vol. 11, No. 10, 1188, 01.05.2019.

Research output: Contribution to journalArticle

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AU - Shu, Qingbo

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