Print Email Facebook Twitter Closed-loop surface-related multiple elimination and its application to simultaneous data reconstruction Title Closed-loop surface-related multiple elimination and its application to simultaneous data reconstruction Author Lopez Angarita, G.A. Verschuur, D.J. Faculty Applied Sciences Department ImPhys/Imaging Physics Date 2015-09-25 Abstract Surface-related multiple elimination (SRME) is one of the most commonly used methods for suppressing surface multiples. However, to obtain an accurate surface multiple estimation, dense source and receiver sampling is required. The traditional approach to this problem is performing data interpolation prior to multiple estimation. Although appropriate in many cases, this methodology fails when big data gaps are present or when relevant information is not recovered, e.g., near-offset data in shallow-water environments. We have developed a solution in which multiple estimation was performed simultaneously with data reconstruction, such that data reconstruction helped obtain better multiple estimates and in which the physical primary-multiple relationship helped constrain the data interpolation. To accomplish this, we proposed to extend the recently introduced closed-loop SRME (CL-SRME) algorithm to account for primary estimation in the case of coarsely sampled data. We achieved this by introducing a focal-domain parameterization of the primaries in a sparsity-promoting CL-SRME method. Results proved that the method was capable of reliably estimating primaries data in case of shallow water and with large undersampling factors. Subject SRME (surface-related multiple elimination)inversionreconstructionmultiplesshallow To reference this document use: http://resolver.tudelft.nl/uuid:e0f92190-97ea-48a3-80ff-073cf09b5edd Publisher Society of Exploration Geophysicists ISSN 0016-8033 Source https://doi.org/10.1190/geo2015-0287.1 Source Geophysics, 80 (6), 2015 Part of collection Institutional Repository Document type journal article Rights © 2015 Society of Exploration Geophysicists Files PDF 320871.pdf 3.2 MB Close viewer /islandora/object/uuid:e0f92190-97ea-48a3-80ff-073cf09b5edd/datastream/OBJ/view