Chang, Wenhan (常文瀚)

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A first-year postgraduate student.,
China University of Geosciences,
Wuhan, China
E-mail: changwh530@gmail.com

About me

Wenhan Chang received his B.Eng. degree in 2022 from School of computer science, China University of Geosciences, Wuhan, China. Currently he is pursuing the M.Eng. degree at China University of Geosciences. His research interests include security and explanation in deep learning, and privacy preserving.

Research

My research interests include:

  • Model explanation

  • Privacy preserving

Current work

  • Machine unlearning

  • Poisoning attack and defense in FL field

  • LLMs Fine-tuning security

Recent publications

  1. Chang W, Zhu T *, Xu H, Liu W, Zhou W. "Class Machine Unlearning for Complex Data via Concepts Inference and Data Poisoning". arXiv preprint arXiv:2405.15662. 2024

  2. Chang W, Zhu T *. "Gradient-based defense methods for data leakage in vertical federated learning". Computers & Security. 2024

  3. Sun H, Zhu T *, Chang W, Zhou W. "Generative Adversarial Networks Unlearning". arXiv preprint arXiv:2308.09881. 2023

  4. Sun H, Zhu T *, Chang W, Zhou W. "A two-stage Model Extraction Attack on GANs with a Small Collected Dataset". Computers & Security. 2023

  5. Wang Y, Zhu T *, Chang W, Shen S, Ren W. "Model Poisoning Defense on Federated Learning: A Validation Based Approach", International Conference on Network and System Security. 2020

  6. 常文瀚, 李思慧, et al. "基于ARIMA模型的新冠肺炎疫情预测模拟仿真软件", 软件著作. 2021

Note: * indicates the corresponding author.

Full list of publications in Google Scholar.

Education

B.E., Computer Science and Technology, China University of Geosciences, 09.2018-06.2022

  • Main Courses: C++ Programming, Embedded Systems, Computer Network and Communication, Computer Control System.

M.S., Electronic Information, China University of Geosciences, 09.2022-present

  • Main Courses: Machine Learning, Information Security, Matrix Analysis.

Competitions and awards

  • The 2ed Prize in the Scientific paper presentation meeting, School of Computer Science, CUG 10.2020

  • The 3rd Prize in the Scientific paper presentation meeting, CUG 6.2021

Work experience

Student Union Officer, School of Computer Science, China University of Geosciences, 09.2018-06.2019


A brief cv.