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   Articles with "wavefield migration" as a keyword



Model-order reduced full-wavefield migration using proper orthogonal decomposition

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recommendations! Published in 2025 at "Geophysical Journal International"

DOI: 10.1093/gji/ggaf356

Abstract: As seismic migration is increasingly applied to more and more complex media, more sophisticated imaging techniques are required to generate accurate images of the subsurface. Currently, the best results for imaging are achieved by least-squares… read more here.

Keywords: migration; proper orthogonal; full wavefield; model ... See more keywords

Full Matrix Wavefield Migration for Layered Photoacoustic Imaging

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recommendations! Published in 2025 at "IEEE Transactions on Computational Imaging"

DOI: 10.1109/tci.2025.3530256

Abstract: Medium heterogeneity poses a severe challenge to image reconstruction in transcranial photoacoustic tomography, which cannot be fully addressed by the homogeneous phase shift migration method. Although the existing methods can enhancethe imaging quality to a… read more here.

Keywords: matrix; method; migration; full matrix ... See more keywords

Viscoacoustic Full-Wavefield Migration and Its Application

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recommendations! Published in 2025 at "IEEE Transactions on Geoscience and Remote Sensing"

DOI: 10.1109/tgrs.2025.3574991

Abstract: Conventional acoustic full-wavefield migration (AFWM) based on one-way wave propagators is typically derived under the assumption of an acoustic medium. However, real subsurface media exhibit viscoacoustic properties, where seismic wave propagation is accompanied by amplitude… read more here.

Keywords: method; viscoacoustic full; full wavefield; wavefield migration ... See more keywords

Least-squares full-wavefield migration

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recommendations! Published in 2018 at "Geophysics"

DOI: 10.1190/tle37010046.1

Abstract: Conventional seismic processing uses only primary reflections for imaging, and treats high-order reflected events (multiples) as noise. Separated Wavefield IMaging (SWIM) uses the downgoing pressure wavefield to exploit the extended illumination provided by surface-multiple energy,… read more here.

Keywords: least squares; full wavefield; migration; high order ... See more keywords