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Acoustic and elastic least-squares two-way wave equation migration with exact adjoint operator
DownloadSpring 2017
A major problem in exploration seismology entails estimating subsurface structures and properties via linearized inversion. The problem is often called ''least-squares migration" where seismic imaging is posed as an iterative least-squares problem. The iterative solution employs the method of...
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Elastic Least-squares Reverse Time Migration and Elastic Gauss-Newton Full-waveform Inversion
DownloadFall 2018
With the fast development of high-performance computing resources, imaging and inversion techniques in the exploration geophysics community are moving from simplified methods to more complex methods that honour as far as possible the physics of wave propagation. Multiparameter imaging and...
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Fall 2017
Historically seismic data processing has relied on the acoustic approximation to process single component data under the simplifying assumption that the recorded wavefield consists mainly of compressional wave modes. With the advancement of multicomponent seismic technology there is an increased...