Search Results for author: Yige Li

Found 6 papers, 3 papers with code

Multi-Trigger Backdoor Attacks: More Triggers, More Threats

no code implementations27 Jan 2024 Yige Li, Xingjun Ma, Jiabo He, Hanxun Huang, Yu-Gang Jiang

Arguably, real-world backdoor attacks can be much more complex, e. g., the existence of multiple adversaries for the same dataset if it is of high value.

End-to-End Anti-Backdoor Learning on Images and Time Series

no code implementations6 Jan 2024 Yujing Jiang, Xingjun Ma, Sarah Monazam Erfani, Yige Li, James Bailey

Backdoor attacks present a substantial security concern for deep learning models, especially those utilized in applications critical to safety and security.

Image Classification Time Series

Reconstructive Neuron Pruning for Backdoor Defense

1 code implementation24 May 2023 Yige Li, Xixiang Lyu, Xingjun Ma, Nodens Koren, Lingjuan Lyu, Bo Li, Yu-Gang Jiang

Specifically, RNP first unlearns the neurons by maximizing the model's error on a small subset of clean samples and then recovers the neurons by minimizing the model's error on the same data.

backdoor defense

Anti-Backdoor Learning: Training Clean Models on Poisoned Data

1 code implementation NeurIPS 2021 Yige Li, Xixiang Lyu, Nodens Koren, Lingjuan Lyu, Bo Li, Xingjun Ma

From this view, we identify two inherent characteristics of backdoor attacks as their weaknesses: 1) the models learn backdoored data much faster than learning with clean data, and the stronger the attack the faster the model converges on backdoored data; 2) the backdoor task is tied to a specific class (the backdoor target class).

Backdoor Attack

Neural Attention Distillation: Erasing Backdoor Triggers from Deep Neural Networks

1 code implementation ICLR 2021 Yige Li, Xixiang Lyu, Nodens Koren, Lingjuan Lyu, Bo Li, Xingjun Ma

NAD utilizes a teacher network to guide the finetuning of the backdoored student network on a small clean subset of data such that the intermediate-layer attention of the student network aligns with that of the teacher network.

Large Spectral Density Matrix Estimation by Thresholding

no code implementations3 Dec 2018 Yiming Sun, Yige Li, Amy Kuceyeski, Sumanta Basu

Spectral density matrix estimation of multivariate time series is a classical problem in time series and signal processing.

Time Series Time Series Analysis

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