A sparse optimization method for suppressing strong shielding interference of seismic data
A seismic data, sparse optimization technology, applied in the field of seismic exploration data processing, can solve the problems of weak contrast, interpretation complexity, damage and so on
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[0074] The present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.
[0075] The invention is a sparse optimization method for suppressing the strong shielding interference of seismic data. The reflection waveform structure corresponding to the lateral inhomogeneity of the stratum such as the channel sand body in the two-dimensional seismic section is regarded as the seismic response of the lateral inhomogeneity, and the stable sedimentary body is regarded as the seismic response. The reflection waveform structure corresponding to the formation is regarded as the seismic response of the stable sedimentary formation. Using the difference of the morphological characteristics of the two waveform components, the two-dimensional stationary wavelet transform and the Curvelet transform are respectively selected as the sparse representation dictionary for the seismic response of the laterally heterogeneous body an...
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