Search
Search Results
-
Principles of Regularization Theory
The regularization theory provides the framework for solving the ill-posed inverse problems. In this chapter, we discuss the foundations of the...
-
An Adaptive Conjugate Gradient Least-Squares Regularization (ACGLSR) Method for 3D Gravity Density Inversion
Gravimetric inverse modelling of subsurface mass density plays a key role in a gravimetric interpretation of the Earth’s inner structure. The...
-
1D regularization inversion combining particle swarm optimization and least squares method
For geophysical inversion problems, deterministic inversion methods can easily fall into local optimal solutions, while stochastic optimization...
-
Comparison of Different Regularization Parameter Estimates: An Application to 1D Joint Inversion of DC Resistivity and CSRMT Data
The choice of an appropriate regularization parameter enables the correct estimation of model parameters and convergence of an inversion routine. The...
-
Fusion of Ground-Based and Spaceborne Radar Precipitation Based on Spatial Domain Regularization
High-quality and accurate precipitation estimations can be obtained by integrating precipitation information measures using ground-based and...
-
The Tikhonov-L-curve regularization method for determining the best geoid gradients from SWOT altimetry
The Surface Water and Ocean Topography (SWOT) mission generates dense altimetry data that, when used in geoid gradient component estimations through...
-
WTCRNet: a wavelet transform and contrastive regularization network for sonar denoising by self-supervision
In the field of underwater acoustics, forward-looking sonar represents a pivotal tool for acquiring subaqueous imagery. However, this technique is...
-
An analysis and comparison of automated methods for determining the regularization parameter in the three-dimensional inversion of gravity data
The processing of potential field datasets requires many steps; one of them is the inverse modeling of potential field data. Using a measurement...
-
A New Fully Implicit Two-Phase Pore-Network Model by Utilizing Regularization Strategies
In this paper, we address the expensive computational cost resulting from limited time-step sizes during numerical simulations of two-phase flow in...
-
Frequency Division Regularization Inversion of the Receiver Function
The receiver function technique was developed in the 1970s and has since become an effective method for exploring the Earth’s crust and upper mantle...
-
Optimal selection of regularization parameter in magnetotelluric data inversion
Inversion of magnetotelluric data is known as a nonlinear and ill-posed problem. To obtain meaningful and unique results, Tikhonov's regularization...
-
Regularized integer least-squares estimation: Tikhonov’s regularization in a weak GNSS model
The strength of the GNSS precise positioning model degrades in cases of a lack of visible satellites, poor satellite geometry or uneliminated...
-
Undersea Buried Pipeline Reconstruction Based on the Level Set and Inverse Multiquadric Regularization Method
The electric inversion technique reconstructs the subsurface medium distribution from acquired data. On the basis of electric inversion, objects...
-
An effective estimate for selecting the regularization parameter in the 3D inversion of magnetotelluric data
The magnetotelluric (MT) inverse problem is a nonlinear and strongly ill-posed problem. Therefore, to avoid the problem of non-uniqueness of...
-
Interpolation of Irregularly Sampled Noisy Seismic Data with the Nonconvex Regularization and Proximal Method
Seismic data interpolation is an essential tool for providing complete seismic data when field data are incomplete due to the influence of obstacles,...
-
Unsupervised seismic data deblending based on the convolutional autoencoder regularization
Simultaneous source technology can provide high-quality seismic data with lower acquisition costs. However, a deblending algorithm is needed to...
-
Pre-Stack Seismic Inversion With L1-2-Norm Regularization Via A Proximal DC Algorithm And Adaptive Strategy
AbstractSeismic inversion in geophysics is an effective way to obtain underground rock properties from seismic survey data on the Earth’s surface. In...
-
Regularization of the Solution of the Inverse VES Problem by the Contrast Stabilization Method: Testing the Algorithm on Model Data
AbstractEarlier, it was shown that conventional algorithms for solving the inverse VES problem cannot achieve the accuracy required for precision...
-
Analysis of Flow Behavior as Influenced by Reservoir with Flow Regularization
Understanding the behavior of reservoirs with flow regularization formed by hydroelectric power plants is essential for assessing water availability....
-
3D inversion of gravity data using mixed Lp–Lq norm regularization, a case study for potash targeting at the Ghare-Aghaj deposit in Iran
The Ghare-Aghaj potash resource is one of the largest halokinetic-type potash-bearing salt deposits in the northern part of the central Iran zone,...
