Hongyong Yan
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View article: Seismic modeling by combining the finite-difference scheme with the numerical dispersion suppression neural network
Seismic modeling by combining the finite-difference scheme with the numerical dispersion suppression neural network Open
Seismic finite-difference (FD) modeling suffers from numerical dispersion including both the temporal and spatial dispersion, which can decrease the accuracy of the numerical modeling. To improve the accuracy and efficiency of the conventi…
View article: Removing Time Dispersion from Elastic Wave Modeling with the pix2pix Algorithm Based on cGAN
Removing Time Dispersion from Elastic Wave Modeling with the pix2pix Algorithm Based on cGAN Open
The finite-difference (FD) method is one of the most commonly used numerical methods for elastic wave modeling. However, due to the difference approximation of the derivative, the time dispersion phenomenon cannot be avoided. This paper pr…
View article: Concurrent estimation of seismic reflectivity and Q by using an optimal dictionary learning method
Concurrent estimation of seismic reflectivity and Q by using an optimal dictionary learning method Open
The seismic reflectivity and quality factor Q play an important role in seismic processing and interpretation, such as improving the resolution of seismic data and enhancing the reservoir identification. Most methods estimate seismic refle…
View article: High-Resolution Seismic Characterization of Gas Hydrate Reservoir Using Wave-Equation-Based Inversion
High-Resolution Seismic Characterization of Gas Hydrate Reservoir Using Wave-Equation-Based Inversion Open
The high-resolution seismic characterization of gas hydrate reservoirs plays an important role in the detection and exploration of gas hydrate. The conventional AVO (amplitude variation with offset) method is based on a linearized Zoepprit…
View article: Implementation of Elastic Prestack Reverse-Time Migration Using an Efficient Finite-Difference Scheme
Implementation of Elastic Prestack Reverse-Time Migration Using an Efficient Finite-Difference Scheme Open
Elastic reverse-time migration (RTM) can reflect the underground elastic information more comprehensively than single-component P-wave migration. One of the most important requirements of elastic RTM is to solve wave equations. The imaging…
View article: Acoustic Reverse-time Migration using Optimal Staggered-grid Finite-difference Operator Based on Least Squares
Acoustic Reverse-time Migration using Optimal Staggered-grid Finite-difference Operator Based on Least Squares Open
Reverse-time migration (RTM) directly solves the two-way wave equation for wavefield propagation; therefore, how to solve the wave equation accurately and quickly is very important for RTM. The conventional staggered-grid finite-difference…