2014
DOI: 10.1111/1365-2478.12180
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A fast algorithm for 3D azimuthally anisotropic velocity scan

Abstract: The conventional velocity scan can be computationally expensive for large‐scale seismic data sets, particularly when the presence of anisotropy requires multiparameter scanning. We introduce a fast algorithm for 3D azimuthally anisotropic velocity scan by generalizing the previously proposed 2D butterfly algorithm for hyperbolic Radon transforms. To compute semblance in a two‐parameter residual moveout domain, the numerical complexity of our algorithm is roughly O(N3logN) as opposed to O(N5) of the straightfor… Show more

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Cited by 6 publications
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References 18 publications
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