Search Results for author: Yuyang Shi

Found 9 papers, 3 papers with code

Pivotal Estimation of Linear Discriminant Analysis in High Dimensions

no code implementations18 Sep 2023 Ethan X. Fang, Yajun Mei, Yuyang Shi, Qunzhi Xu, Tuo Zhao

We consider the linear discriminant analysis problem in the high-dimensional settings.

Diffusion Schrödinger Bridge Matching

no code implementations NeurIPS 2023 Yuyang Shi, Valentin De Bortoli, Andrew Campbell, Arnaud Doucet

However, while it is desirable in many applications to approximate the deterministic dynamic Optimal Transport (OT) map which admits attractive properties, DDMs and FMMs are not guaranteed to provide transports close to the OT map.

Denoising

From Denoising Diffusions to Denoising Markov Models

1 code implementation7 Nov 2022 Joe Benton, Yuyang Shi, Valentin De Bortoli, George Deligiannidis, Arnaud Doucet

We propose a unifying framework generalising this approach to a wide class of spaces and leading to an original extension of score matching.

Denoising

On PAC-Bayesian reconstruction guarantees for VAEs

no code implementations23 Feb 2022 Badr-Eddine Chérief-Abdellatif, Yuyang Shi, Arnaud Doucet, Benjamin Guedj

Despite its wide use and empirical successes, the theoretical understanding and study of the behaviour and performance of the variational autoencoder (VAE) have only emerged in the past few years.

Online Variational Filtering and Parameter Learning

1 code implementation NeurIPS 2021 Andrew Campbell, Yuyang Shi, Tom Rainforth, Arnaud Doucet

We present a variational method for online state estimation and parameter learning in state-space models (SSMs), a ubiquitous class of latent variable models for sequential data.

Learning to Defense by Learning to Attack

no code implementations ICLR Workshop DeepGenStruct 2019 Zhehui Chen, Haoming Jiang, Yuyang Shi, Bo Dai, Tuo Zhao

From the perspective of generative learning, our proposed method can be viewed as learning a deep generative model for generating adversarial samples, which is adaptive to the robust classification.

Adversarial Attack Robust classification

Learning to Defend by Learning to Attack

no code implementations3 Nov 2018 Haoming Jiang, Zhehui Chen, Yuyang Shi, Bo Dai, Tuo Zhao

Adversarial training provides a principled approach for training robust neural networks.

Adversarial Attack Adversarial Defense +3

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