Search Results for author: Xufei Zheng

Found 3 papers, 2 papers with code

Masked Language Model Based Textual Adversarial Example Detection

1 code implementation18 Apr 2023 Xiaomei Zhang, Zhaoxi Zhang, Qi Zhong, Xufei Zheng, Yanjun Zhang, Shengshan Hu, Leo Yu Zhang

To explore how to use the masked language model in adversarial detection, we propose a novel textual adversarial example detection method, namely Masked Language Model-based Detection (MLMD), which can produce clearly distinguishable signals between normal examples and adversarial examples by exploring the changes in manifolds induced by the masked language model.

Adversarial Defense Language Modelling +1

Self-Supervised Adversarial Example Detection by Disentangled Representation

no code implementations NeurIPS 2021 Zhaoxi Zhang, Leo Yu Zhang, Xufei Zheng, Jinyu Tian, Jiantao Zhou

To alleviate this problem, we explore how to detect adversarial examples with disentangled label/semantic features under the autoencoder structure.

Adversarial Attack

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