We introduce an ultrasonic quantitative imaging method for long bones based on full-
waveform inversion. The cost function is defined as the difference in the L 2-norm sense …

We present a method for high-resolution imaging of lithospheric structures based on full
waveform inversion of teleseismic waveforms. We model the propagation of seismic waves …

Seismic velocity inversion plays a vital role in various applied seismology processes. A
series of deep learning methods have been developed that rely purely on manually …

Full-waveform inversion (FWI) is a powerful seismic imaging methodology to estimate
geophysical parameters that honour the recorded waveforms (observed data), and it is …

In seismic waveform tomography, or full-waveform inversion (FWI), one effective strategy
used to reduce the computational cost is shot-encoding, which encodes all shots randomly …

最小二乘逆时偏移(Least-Squares Reverse Time Migration, LSRTM) 与常规偏移相比具有更高
的成像分辨率, 振幅保真性及均衡性等优势, 是当前研究的热点之一. 震源子波的估计直接影响 …

In seismic full waveform inversion (FWI), the shot-encoding technique can reduce
computational costs. It randomly encodes all individual shot gathers and combines them into …

Curvilinear-grid-based least-squares reverse time migration (LSRTM) can produce an
accurate image of complex subsurface structures. However, a huge amount of …

For shot-encoded seismic waveform tomography, the restarted limited-memory BFGS (L-
BFGS) algorithm is an effective technique to suppress the crosstalk effect among encoded …

Compared to the conventional migration method, the least-squares reverse time migration
(LSRTM) has a lot of advantages, such as higher imaging resolution, amplitude preservation …