Search Results for author: Yingzhi Xia

Found 4 papers, 1 papers with code

VI-DGP: A variational inference method with deep generative prior for solving high-dimensional inverse problems

no code implementations22 Feb 2023 Yingzhi Xia, Qifeng Liao, Jinglai Li

To address these challenges, we propose a novel approximation method for estimating the high-dimensional posterior distribution.

Variational Inference

A domain-decomposed VAE method for Bayesian inverse problems

no code implementations9 Jan 2023 Zhihang Xu, Yingzhi Xia, Qifeng Liao

Bayesian inverse problems are often computationally challenging when the forward model is governed by complex partial differential equations (PDEs).

Active Learning

Bayesian multiscale deep generative model for the solution of high-dimensional inverse problems

2 code implementations4 Feb 2021 Yingzhi Xia, Nicholas Zabaras

In this way, the global features are identified in the coarse-scale with inference of low-dimensional variables and inexpensive forward computation, and the local features are refined and corrected in the fine-scale.

Bayesian Inference

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