Search Results for author: Faming Liang

Found 19 papers, 12 papers with code

Causal-StoNet: Causal Inference for High-Dimensional Complex Data

1 code implementation27 Mar 2024 Yaxin Fang, Faming Liang

In such datasets, the data dimension can be extremely high, and the underlying data generation process can be unknown and highly nonlinear.

Causal Inference Econometrics +1

Fast Value Tracking for Deep Reinforcement Learning

no code implementations19 Mar 2024 Frank Shih, Faming Liang

Reinforcement learning (RL) tackles sequential decision-making problems by creating agents that interacts with their environment.

Decision Making reinforcement-learning +2

A New Paradigm for Generative Adversarial Networks based on Randomized Decision Rules

1 code implementation23 Jun 2023 Sehwan Kim, Qifan Song, Faming Liang

In the new formulation, the discriminator converges to a fixed point while the generator converges to a distribution at the Nash equilibrium.

Clustering Generative Adversarial Network +2

Non-reversible Parallel Tempering for Deep Posterior Approximation

no code implementations20 Nov 2022 Wei Deng, Qian Zhang, Qi Feng, Faming Liang, Guang Lin

Notably, in big data scenarios, we obtain an appealing communication cost $O(P\log P)$ based on the optimal window size.

Nonlinear Sufficient Dimension Reduction with a Stochastic Neural Network

no code implementations9 Oct 2022 Siqi Liang, Yan Sun, Faming Liang

Sufficient dimension reduction is a powerful tool to extract core information hidden in the high-dimensional data and has potentially many important applications in machine learning tasks.

Dimensionality Reduction

Interacting Contour Stochastic Gradient Langevin Dynamics

1 code implementation ICLR 2022 Wei Deng, Siqi Liang, Botao Hao, Guang Lin, Faming Liang

We propose an interacting contour stochastic gradient Langevin dynamics (ICSGLD) sampler, an embarrassingly parallel multiple-chain contour stochastic gradient Langevin dynamics (CSGLD) sampler with efficient interactions.

A Kernel-Expanded Stochastic Neural Network

1 code implementation14 Jan 2022 Yan Sun, Faming Liang

The deep neural network suffers from many fundamental issues in machine learning.

Imputation Uncertainty Quantification

Non-reversible Parallel Tempering for Uncertainty Approximation in Deep Learning

no code implementations29 Sep 2021 Wei Deng, Qian Zhang, Qi Feng, Faming Liang, Guang Lin

Parallel tempering (PT), also known as replica exchange, is the go-to workhorse for simulations of multi-modal distributions.

PURE: A Framework for Analyzing Proximity-based Contact Tracing Protocols

no code implementations17 Dec 2020 Fabrizio Cicala, Weicheng Wang, Tianhao Wang, Ninghui Li, Elisa Bertino, Faming Liang, Yang Yang

Many proximity-based tracing (PCT) protocols have been proposed and deployed to combat the spreading of COVID-19.

Computers and Society C.3; H.4; J.3; J.7; K.4; K.6.5

A Contour Stochastic Gradient Langevin Dynamics Algorithm for Simulations of Multi-modal Distributions

2 code implementations NeurIPS 2020 Wei Deng, Guang Lin, Faming Liang

We propose an adaptively weighted stochastic gradient Langevin dynamics algorithm (SGLD), so-called contour stochastic gradient Langevin dynamics (CSGLD), for Bayesian learning in big data statistics.

Accelerating Convergence of Replica Exchange Stochastic Gradient MCMC via Variance Reduction

1 code implementation ICLR 2021 Wei Deng, Qi Feng, Georgios Karagiannis, Guang Lin, Faming Liang

Replica exchange stochastic gradient Langevin dynamics (reSGLD) has shown promise in accelerating the convergence in non-convex learning; however, an excessively large correction for avoiding biases from noisy energy estimators has limited the potential of the acceleration.

Stochastic Gradient Langevin Dynamics Algorithms with Adaptive Drifts

no code implementations20 Sep 2020 Sehwan Kim, Qifan Song, Faming Liang

Bayesian deep learning offers a principled way to address many issues concerning safety of artificial intelligence (AI), such as model uncertainty, model interpretability, and prediction bias.

Non-convex Learning via Replica Exchange Stochastic Gradient MCMC

2 code implementations ICML 2020 Wei Deng, Qi Feng, Liyao Gao, Faming Liang, Guang Lin

Replica exchange Monte Carlo (reMC), also known as parallel tempering, is an important technique for accelerating the convergence of the conventional Markov Chain Monte Carlo (MCMC) algorithms.

Ranked #77 on Image Classification on CIFAR-100 (using extra training data)

Image Classification

Extended Stochastic Gradient MCMC for Large-Scale Bayesian Variable Selection

1 code implementation7 Feb 2020 Qifan Song, Yan Sun, Mao Ye, Faming Liang

Stochastic gradient Markov chain Monte Carlo (MCMC) algorithms have received much attention in Bayesian computing for big data problems, but they are only applicable to a small class of problems for which the parameter space has a fixed dimension and the log-posterior density is differentiable with respect to the parameters.

Variable Selection

An Adaptive Empirical Bayesian Method for Sparse Deep Learning

1 code implementation NeurIPS 2019 Wei Deng, Xiao Zhang, Faming Liang, Guang Lin

We propose a novel adaptive empirical Bayesian method for sparse deep learning, where the sparsity is ensured via a class of self-adaptive spike-and-slab priors.

A Bayesian Mark Interaction Model for Analysis of Tumor Pathology Images

1 code implementation22 Feb 2018 Qiwei Li, Xinlei Wang, Faming Liang, Guanghua Xiao

This statistical methodology not only presents a new model for characterizing spatial correlations in a multi-type spatial point pattern, but also provides a new perspective for understanding the role of cell-cell interactions in cancer progression.

Methodology 62M30, 62F15

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