Reverse time migration (RTM) is a seismic imaging method to map the subsurface reflectivity
using recorded seismic waveforms. The practice in exploration seismology has long …

High-precision seismic imaging is the core task of seismic exploration, guaranteeing the
accuracy of geophysical and geological interpretation. With the development of seismic …

In the correlative least-squares reverse time migration (CLSRTM) scheme, a stacked image
is updated using a gradient-based inversion algorithm. However, CLSRTM experiences the …

Gaussian beam migration (GBM) is an effective imaging method that has the ability to image
multiple arrivals while preserving the advantages of ray-based methods. We have extended …

With a finite recording aperture, a limited source spectrum and unbalanced illumination,
traditional imaging methods are insufficient to generate satisfactory depth profiles with high …

The data-domain least-squares reverse time migration (LSRTM), a promising imaging
method for obtaining a high-resolution reflectivity image, can be implemented by matching …

Seismic migrations are generally formulated as the adjoint operators of linear forward
modeling and often lead to images with degraded resolution, unbalanced illumination, and …

Because of amplitude decay and phase dispersion of seismic waves, conventional
migrations are insufficient to produce satisfactory images using data observed in highly …

Seismic images of Earth's subsurface are essential for oil and gas exploration. Gaussian
beam migration is popular for seismic imaging owing to its flexibility and efficiency of …

Least-squares migration is an advanced imaging technique capable of producing images
with improved spatial resolution, balanced illumination, and reduced migration artifacts; …