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Image space mapping and attenuation of 2D specular and diffracted multiples
Subsections
Summary
Introduction
Kinematics of 2D multiples in image space
General formulation
Specular multiple from flat water-bottom
Specular multiple from dipping water-bottom
Diffracted multiple
Radon Transform
Apex-shifted Radon Transform
Sparsity Constraint
Synthetic data example
Gulf of Mexico 2D seismic line
Mapping to the Radon domain
Multiple Attenuation Results
Discussion
Image space vs. Data space
Sensitivity to errors in migration velocities
Radon transform parameters
Comment on diffracted multiples
Extension to 3D data
Conclusions
Acknowledgments
2007-10-24
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