Geometric Targets for UAS Lidar

Wilkinson, Benjamin; Lassiter, H. Andrew; Abd-Elrahman, Amr; Carthy, Raymond R.; Ifju, Peter; Broadbent, Eben; Grimes, Nathan

doi:10.3390/rs11243019

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Geometric Targets for UAS Lidar

2019
By Wilkinson, Benjamin ; Lassiter, H. Andrew ; Abd-Elrahman, Amr ; ...
Source: Remote Sensing, 11(24)

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Journal Title:

Remote Sensing
Personal Author:

Wilkinson, Benjamin ; Lassiter, H. Andrew ; Abd-Elrahman, Amr ; Carthy, Raymond R. ; Ifju, Peter ; ... More +

Wilkinson, Benjamin ; Lassiter, H. Andrew ; Abd-Elrahman, Amr ; Carthy, Raymond R. ; Ifju, Peter ; Broadbent, Eben ; Grimes, Nathan Less -
NOAA Program & Office:

NOS (National Ocean Service)
Description:

Lidar from small unoccupied aerial systems (UAS) is a viable method for collecting geospatial data associated with a wide variety of applications. Point clouds from UAS lidar require a means for accuracy assessment, calibration, and adjustment. In order to carry out these procedures, specific locations within the point cloud must be precisely found. To do this, artificial targets may be used for rural settings, or anywhere there is a lack of identifiable and measurable features in the scene. This paper presents the design of lidar targets for precise location based on geometric structure. The targets and associated mensuration algorithm were tested in two scenarios to investigate their performance under different point densities, and different levels of algorithmic rigor. The results show that the targets can be accurately located within point clouds from typical scanning parameters to <2 cm σ, and that including observation weights in the algorithm based on propagated point position uncertainty leads to more accurate results.
Keywords:

[+]

Accuracy Adjustment Calibration Drones Lidar Targets UAS
Source:

Remote Sensing, 11(24)
DOI:

https://doi.org/10.3390/rs11243019
Document Type:

Journal Article
Funding:

Grant no. NA18NOS400198
Rights Information:

CC BY
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Submitted
Main Document Checksum:

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urn:sha256:a30c9fcf97b791ce76dd49bb5f6e2a79a1a5672374a3e02a52e1b78b8d8dbbba
Download URL:

https://repository.library.noaa.gov/view/noaa/32974/noaa_32974_DS1.pdf
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Geometric Targets for UAS Lidar

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