A Non-Gaussian Prior for Infinite Dimensional Bayesian Inverse Problems

来源 :第八届工业与应用数学国际大会 | 被引量 : 0次 | 上传用户：yintao001

【摘要】

：

We consider the Bayesian methods for solving inverse problems in function space.The often used Gaussian processes prior often has difficulty in dealing with functions with discontinuities.

【作者】

：

Hu Zixi Yao Zhewei Li Jinglai

【机构】

：

Shanghai Jiao Tong Univ. shanghai jiaotong univer

【出处】

：

第八届工业与应用数学国际大会

【发表日期】

：

2015年5期

下载到本地 , 更方便阅读

下载此文赞助VIP

声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架

论文部分内容阅读

　　We consider the Bayesian methods for solving inverse problems in function space.The often used Gaussian processes prior often has difficulty in dealing with functions with discontinuities.

其他文献

Stabilization and Fine-tuning of Projection-based Reduced Order Models for Compressible Flow via Min

For a ROM to be stable and accurate,the dynamics of the truncated subspace must be accounted for.This talk proposes an approach for stabilizing and fine-tuning projection-based fluid ROMs in which tru

会议

Energy Corrected Schemes in Flow Problems for Optimal Control

Energy corrected schemes compensate the pollution effect for finite element problems where local point singularities otherwise lead to a globally reduced order of convergence.

会议

Limiting Spectral Distribution of Random Birth-death Q Matrices

This article studies the limiting spectral distributions of random birthdeath Q matrices.Under the strictly stationary ergodic conditions,we prove that the empirical spectral distribution converges we

会议

Galina Reshetova,Egor Lys,Vladimir Tcheverda Numerical Simulation of Sonic Log in Anisotropic Viscoe

Modern high performance computers allow to study complete wave fields which of acoustic logging for 3D heterogeneous media with realistic properties such as anisotropy and attenuation.

会议

An Adaptive Approach Based on Least-squares Finite Element Approximations to Viscoelastic Fluid Flow

We implemented an adaptive least-squares finite element method for viscoelastic fluid flows.To capture the flow region,we developed an adaptive mesh redistribution approach based on the mesh redistrib

会议

High-resolution Numerical Schemes for Hyperbolic Conservation Laws,and Their Performance on Modern H

The modeling of fluids usually results in a number of partial differential equations that relate the change of local properties(such as density,velocity,temperature,…)in time to the corresponding chan

会议

A Hybrid Method for Solving the Poisson's Equation in the Presence of Multiple Closely Compacte

A new closed-form formula is developed for the image of a general multipole source with arbitrary degree(order)outside a dielectric sphere.

会议

A Single-sweep Algorithm for Computing the Asymptotic Spectrum for Networks with Pairwise Rates of t

We propose a single-sweep algorithm to compute the asymptotic eigenvalues and eigenvectors of a matrix with entries of the form Lij=kij exp(-Uij/T)for i!=j,and Lii=-∑j!=I Lij.

会议

Fast Numerical Contour Integral Method for Fractional Diffusion Equations

The numerical contour integral method with hyperbolic contour is exploited to solve space-fractional diffusion equations.

会议

A Stable WKBJ Propagator for Schrodinger Equations in the Semi-Classical Regime

Fast Huygens sweeping method is used to evaluate the Schrodinger equation in the semi-classical regime using FFT.It combines short-time WKBJ propagators into Huygens principle.

会议

A Non-Gaussian Prior for Infinite Dimensional Bayesian Inverse Problems

其他学术论文