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Efficient point cloud corrections for mobile monitoring applications using road/rail-side infrastructure

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Jing, Hao, Meng, Xiaolin, Slatcher, Neil and Hunter, Graham (2021) Efficient point cloud corrections for mobile monitoring applications using road/rail-side infrastructure. Survey Review, 53 (378). 235-251 . doi:10.1080/00396265.2020.1719753 ISSN 0039-6265.

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Official URL: http://dx.doi.org/10.1080/00396265.2020.1719753

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Abstract

Light Detection and Ranging (LiDAR) systems are known to capture high density and accuracy data much more efficiently than other surveying methods. Therefore they are used for many applications, e.g. mobile mapping and surveying, 3D modelling, hazard detection, etc. However, while the accuracy of the laser measurements is very high, the accuracy of the resulting 3D point cloud is greatly affected by the geo-referencing accuracy. This is especially problematic for mobile laser scanning systems, where the LiDAR is installed on a moving platform, e.g. a vehicle, and the point cloud is geo-referenced by the data provided by a navigation system. Owing to the complexity of the surrounding environments and external conditions, the accuracy of the navigation system varies and thereby changes the quality of the point cloud. Conventional methods for correcting the point cloud accuracy either rely heavily on manual work or semi-automatic registration methods. While they can provide geo-referencing under different conditions, each has their own problems. This paper presents a semi-automated geo-referencing trajectory correction method by extracting features from the pre-processed point cloud and integrating this information to reprocess the navigation trajectory which is then able to produce better quality point clouds. The method deals with the changing errors within a point cloud dataset, and reducing the trajectory error from metre level to decimetre level, improving the accuracy by at least 56%. The accuracy of the regenerated point cloud then becomes suitable for many accuracy-demanding monitoring and change detection applications.

Item Type: Journal Article
Subjects: G Geography. Anthropology. Recreation > G Geography (General)
Divisions: Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group)
Library of Congress Subject Headings (LCSH): Mobile geographic information systems, Optical scanners, Remote sensing
Journal or Publication Title: Survey Review
Publisher: Taylor & Francis
ISSN: 0039-6265
Official Date: 2021
Dates:
DateEvent
2021Published
30 January 2020Available
9 January 2020Accepted
Volume: 53
Number: 378
Page Range: 235-251
DOI: 10.1080/00396265.2020.1719753
Status: Peer Reviewed
Publication Status: Published
Reuse Statement (publisher, data, author rights): This is an Accepted Manuscript of an article published by Taylor & Francis in [JOURNAL TITLE] on [date of publication], available online: http://www.tandfonline.com/[Article DOI].
Access rights to Published version: Restricted or Subscription Access
Date of first compliant deposit: 11 March 2020
Date of first compliant Open Access: 30 January 2021
RIOXX Funder/Project Grant:
Project/Grant IDRIOXX Funder NameFunder ID
UNSPECIFIEDInnovate UKhttp://dx.doi.org/10.13039/501100006041

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