Search Results for author: Pengzhou Cheng

Found 4 papers, 0 papers with code

MKF-ADS: Multi-Knowledge Fusion Based Self-supervised Anomaly Detection System for Control Area Network

no code implementations7 Mar 2024 Pengzhou Cheng, Zongru Wu, Gongshen Liu

The STcAM with fine-pruning uses one-dimensional convolution (Conv1D) to extract spatial features and subsequently utilizes the Bidirectional Long Short Term Memory (Bi-LSTM) to extract the temporal features, where the attention mechanism will focus on the important time steps.

Intrusion Detection Knowledge Distillation +2

Syntactic Ghost: An Imperceptible General-purpose Backdoor Attacks on Pre-trained Language Models

no code implementations29 Feb 2024 Pengzhou Cheng, Wei Du, Zongru Wu, Fengwei Zhang, Libo Chen, Gongshen Liu

Specifically, the method hostilely manipulates poisoned samples with different predefined syntactic structures as stealth triggers and then implants the backdoor to pre-trained representation space without disturbing the primitive knowledge.

Contrastive Learning Natural Language Understanding

Acquiring Clean Language Models from Backdoor Poisoned Datasets by Downscaling Frequency Space

no code implementations19 Feb 2024 Zongru Wu, Zhuosheng Zhang, Pengzhou Cheng, Gongshen Liu

In this paper, we investigate the learning mechanisms of backdoor LMs in the frequency space by Fourier analysis.

STC-IDS: Spatial-Temporal Correlation Feature Analyzing based Intrusion Detection System for Intelligent Connected Vehicles

no code implementations23 Apr 2022 Pengzhou Cheng, Mu Han, Aoxue Li, Fengwei Zhang

To address these limitations, we present a novel model for automotive intrusion detection by spatial-temporal correlation features of in-vehicle communication traffic (STC-IDS).

Anomaly Classification Bayesian Optimization +3

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