Attenuation of reverse time migration artifacts using Laguerre-Gauss filtering

dc.contributor.authorPaniagua, Juan Guillermo
dc.contributor.authorLucia Quintero M, O.
dc.contributor.departmentUniversidad EAFIT. Departamento de Cienciasspa
dc.contributor.researchgroupModelado Matemáticospa
dc.creatorPaniagua, Juan Guillermo
dc.creatorLucia Quintero M, O.
dc.date.accessioned2021-04-12T14:11:49Z
dc.date.available2021-04-12T14:11:49Z
dc.date.issued2017-06-12
dc.description.abstractLow-frequency artifacts appear in seismic images obtained by reverse time migration with the zero-lag crosscorrelation imaging condition due to the unwanted correlation of diving waves, head waves and backscattered waves. These artifacts can hide important details in the image and different methods have been proposed to attenuate or reduce them. The Laplacian filtering is the common post-processing technique to reduce the artifacts, but it increases the high-frequency noise in the image. Paniagua and Sierra-Sosa (2016) proposed the use of the Laguerre-Gauss spatial filtering (LGSF) to reduce the artifacts and enhance subsurface structures in the seismic image.\\ In this work, we describe the performance of the LGSF and demonstrate the good behavior of this postprocessing technique through synthetic examples. We used the original and different smoothed velocity models to show the capabilities of the LGSF and the results obtained in presence of small changes in the images. We demonstrate that despite the smoothed velocity models the LGSF preserves well the reflections with their true locations and significantly attenuates the low-frequency noise.eng
dc.identifierhttps://eafit.fundanetsuite.com/Publicaciones/ProdCientif/PublicacionFrw.aspx?id=7029
dc.identifier.isbn9789462822177
dc.identifier.otherSCOPUS;2-s2.0-85033236308
dc.identifier.urihttp://hdl.handle.net/10784/27899
dc.language.isoengeng
dc.publisherEuropean Association of Geoscientists and Engineers, EAGE
dc.relation.urihttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85033236308&partnerID=40&md5=836220bd75c514fb6f81da8888f8ecbd
dc.rightsEuropean Association of Geoscientists and Engineers, EAGE
dc.sourceAttenuation Of Reverse Time Migration Artifacts Using Laguerre-Gauss Filtering
dc.titleAttenuation of reverse time migration artifacts using Laguerre-Gauss filteringeng
dc.typeinfo:eu-repo/semantics/conferencePapereng
dc.typeconferencePapereng
dc.typeinfo:eu-repo/semantics/publishedVersioneng
dc.typepublishedVersioneng
dc.type.localDocumento de conferenciaspa

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