Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/91367
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dc.contributorDepartment of Land Surveying and Geo-Informatics-
dc.creatorChing, GPH-
dc.creatorChang, RKW-
dc.creatorLuo, TXH-
dc.creatorLai, WWL-
dc.date.accessioned2021-11-03T06:53:03Z-
dc.date.available2021-11-03T06:53:03Z-
dc.identifier.urihttp://hdl.handle.net/10397/91367-
dc.language.isoenen_US
dc.publisherMolecular Diversity Preservation International (MDPI)en_US
dc.rights© 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https:// creativecommons.org/licenses/by/ 4.0/).en_US
dc.rightsThe following publication Ching, G.P.H.; Chang, R.K.W.; Luo, T.X.H.; Lai,W.W.L. GPR Virtual Guidance System for Subsurface 3D Imaging. Remote Sens. 2021, 13, 2154 is available at https://doi.org/10.3390/rs13112154en_US
dc.subject3D GPR imageen_US
dc.subjectGround penetrating radaren_US
dc.subjectVirtual guidance systemen_US
dc.titleGPR virtual guidance system for subsurface 3D imagingen_US
dc.typeJournal/Magazine Articleen_US
dc.identifier.volume13-
dc.identifier.issue11-
dc.identifier.doi10.3390/rs13112154-
dcterms.abstractThree-dimensional GPR imaging requires evenly and densely distributed measurements, ideally collected without the need for ground surface markings, which is difficult to achieve in large-scale surveys. In this study, a guidance system was developed to guide the GPR operator to walk along a predesigned traverse, analogous to the flight path design of an airborne drone. The guidance system integrates an auto-track total station unit (ATTS), and by estimating the real-time offset angle and distance, guidance corrections can be provided to the operator in real time. There are two advantages: (1) reduced survey time as grid marking on the ground is no longer needed and (2) accurate positioning of each traverse. Lab and field experiments were conducted in order to validate the guidance system. The results show that with the guidance system, the survey paths were better defined and followed in terms of feature connectivity and resolution of images, and the C-scans generated were closer to the real subsurface world.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationRemote sensing, June 2021, v. 13, no. 11, 2154-
dcterms.isPartOfRemote sensing-
dcterms.issued2021-06-
dc.identifier.scopus2-s2.0-85107948430-
dc.identifier.eissn2072-4292-
dc.identifier.artn2154-
dc.description.validate202110 bcvc-
dc.description.oaVersion of Recorden_US
dc.identifier.FolderNumberOA_Scopus/WOSen_US
dc.description.pubStatusPublisheden_US
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