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dc.contributor.authorOliveira, Rui Jorge
dc.contributor.authorTeixidó Ullod, Teresa 
dc.date.accessioned2021-05-21T07:53:09Z
dc.date.available2021-05-21T07:53:09Z
dc.date.issued2021
dc.identifier.citationOliveira, R.J.; Caldeira, B.; Teixidó, T.; Borges, J.F. GPR Clutter Reflection Noise-Filtering through Singular Value Decomposition in the Bidimensional Spectral Domain. Remote Sens. 2021, 13, 2005. https:// doi.org/10.3390/rs13102005es_ES
dc.identifier.urihttp://hdl.handle.net/10481/68603
dc.description.abstractUsually, in ground-penetrating radar (GPR) datasets, the user defines the limits between the useful signal and the noise through standard filtering to isolate the effective signal as much as possible. However, there are true reflections that mask the coherent reflectors that can be considered noise. In archaeological sites these clutter reflections are caused by scattering with origin in subsurface elements (e.g., isolated masonry, ceramic objects, and archaeological collapses). Its elimination is difficult because the wavelet parameters similar to coherent reflections and there is a risk of creating artefacts. In this study, a procedure to filter the clutter reflection noise (CRN) from GPR datasets is presented. The CRN filter is a singular value decomposition-based method (SVD), applied in the 2D spectral domain. This CRN filtering was tested in a dataset obtained from a controlled laboratory environment, to establish a mathematical control of this algorithm. Additionally, it has been applied in a 3D-GPR dataset acquired in the Roman villa of Horta da Torre (Fronteira, Portugal), which is an uncontrolled environment. The results show an increase in the quality of archaeological GPR planimetry that was verified via archaeological excavation.es_ES
dc.description.sponsorshipProject “Innovación abierta e inteligente en la EUROACE” 0049_INNOACE_4_E - European Union (European Regional Development Fund) COMPETE 2020es_ES
dc.description.sponsorshipPortuguese Foundation for Science and Technology (FCT) projects UIDB/04683/2020-ICT (Institute of Earth Sciences) and SFRH/BSAB/143063/2018es_ES
dc.language.isoenges_ES
dc.publisherMDPIes_ES
dc.rightsAtribución 3.0 España*
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/es/*
dc.subjectApplied geophysicses_ES
dc.subjectDigital signal processinges_ES
dc.subjectEnhancement of 3D-GPR datasetses_ES
dc.subjectClutter noise removales_ES
dc.subjectSpectral filteringes_ES
dc.titleGPR Clutter Reflection Noise-Filtering through Singular Value Decomposition in the Bidimensional Spectral Domaines_ES
dc.typejournal articlees_ES
dc.rights.accessRightsopen accesses_ES
dc.identifier.doi10.3390/rs13102005


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