3 papers
physics.geo-ph2025
A novel fast sweeping method for computing the attenuation operator in absorbing media
Dongdong Wang, Jing Chen, Shijie Hao +1
represents the total path attenuation and characterizes the amplitude decay of a propagating seismic wave. Calculating the attenuation operator is typically required in…
physics.geo-ph2024
TomoATT: An open-source package for Eikonal equation-based adjoint-state traveltime tomography for seismic velocity and azimuthal anisotropy
Jing Chen, Masaru Nagaso, Mijian Xu +1
TomoATT is an open-source software package, aiming at determining seismic velocity and azimuthal anisotropy based on adjoint-state traveltime tomography methods. Key features of To…
math.NA2022
The Quadratic Wasserstein Metric With Squaring Scaling For Seismic Velocity Inversion
Zhengyang Li, Yijia Tang, Jing Chen +1
The quadratic Wasserstein metric has shown its power in measuring the difference between probability densities, which benefits optimization objective function with better convexity…