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Kim, S., Lee, J. H., & Chung, W. (2019, December). Two dimensional acoustic full waveform inversion using discrete cosine transform. In AGU Fall Meeting Abstracts (Vol. 2019, pp. S53D-0485).
Kim, Sumin, Jonghyun Harry Lee, and Wookeen Chung. "Two dimensional acoustic full waveform inversion using discrete cosine transform." AGU Fall Meeting Abstracts. Vol. 2019. 2019.
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S Kim, JH Lee, W Chung - AGU Fall Meeting Abstracts, 2019 - ui.adsabs.harvard.edu

Two dimensional acoustic full waveform inversion using discrete cosine transform.

EPSCoR Research Infrastructure Improvement Program AND Program Evaluation

Kim, Lee

GSID: y-rC7I8My2kJ

Excerpt

Full waveform inversion (FWI) has been carried out to reconstruct high-resolution velocity model in the subsurface. However, as geophysical data acquisition techniques are developed for obtaining high dimensional velocity model, computational cost increases tremendously. Because we set unknowns on each modeling grid point, and these unknowns are updated in FWI. So FWI always suffers from computational burden even though it has many advantages. To reduce computational burden, we incorporate Discrete Cosine …

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