1 code implementation • 28 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.
no code implementations • 8 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.
no code implementations • 1 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.