Search Results for author: Zhongzhu Chen

Found 3 papers, 1 papers with code

DiffSmooth: Certifiably Robust Learning via Diffusion Models and Local Smoothing

1 code implementation28 Aug 2023 Jiawei Zhang, Zhongzhu Chen, huan zhang, Chaowei Xiao, Bo Li

Diffusion models have been leveraged to perform adversarial purification and thus provide both empirical and certified robustness for a standard model.

Denoising

Performative Federated Learning: A Solution to Model-Dependent and Heterogeneous Distribution Shifts

no code implementations8 May 2023 Kun Jin, Tongxin Yin, Zhongzhu Chen, Zeyu Sun, Xueru Zhang, Yang Liu, Mingyan Liu

We consider a federated learning (FL) system consisting of multiple clients and a server, where the clients aim to collaboratively learn a common decision model from their distributed data.

Federated Learning

DensePure: Understanding Diffusion Models towards Adversarial Robustness

no code implementations1 Nov 2022 Chaowei Xiao, Zhongzhu Chen, Kun Jin, Jiongxiao Wang, Weili Nie, Mingyan Liu, Anima Anandkumar, Bo Li, Dawn Song

By using the highest density point in the conditional distribution as the reversed sample, we identify the robust region of a given instance under the diffusion model's reverse process.

Adversarial Robustness Denoising

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