Search Results for author: Lijia Yu

Found 7 papers, 2 papers with code

Detection and Defense of Unlearnable Examples

1 code implementation14 Dec 2023 Yifan Zhu, Lijia Yu, Xiao-Shan Gao

Detectability of unlearnable examples with simple networks motivates us to design a novel defense method.

Adversarial Defense Privacy Preserving

Restore Translation Using Equivariant Neural Networks

no code implementations29 Jun 2023 Yihan Wang, Lijia Yu, Xiao-Shan Gao

Invariance to spatial transformations such as translations and rotations is a desirable property and a basic design principle for classification neural networks.

Translation

Achieve Optimal Adversarial Accuracy for Adversarial Deep Learning using Stackelberg Game

no code implementations17 Jul 2022 Xiao-Shan Gao, Shuang Liu, Lijia Yu

Game theory has been used to answer some of the basic questions about adversarial deep learning such as the existence of a classifier with optimal robustness and the existence of optimal adversarial samples for a given class of classifiers.

Adversarial Parameter Attack on Deep Neural Networks

no code implementations20 Mar 2022 Lijia Yu, Yihan Wang, Xiao-Shan Gao

In this paper, a new parameter perturbation attack on DNNs, called adversarial parameter attack, is proposed, in which small perturbations to the parameters of the DNN are made such that the accuracy of the attacked DNN does not decrease much, but its robustness becomes much lower.

Robust and Information-theoretically Safe Bias Classifier against Adversarial Attacks

no code implementations8 Nov 2021 Lijia Yu, Xiao-Shan Gao

The work is motivated by the fact that the bias part is a piecewise constant function with zero gradient and hence cannot be directly attacked by gradient-based methods to generate adversaries, such as FGSM.

A Robust Classification-autoencoder to Defend Outliers and Adversaries

1 code implementation30 Jun 2021 Lijia Yu, Xiao-Shan Gao

In this paper, a robust classification-autoencoder (CAE) is proposed, which has strong ability to recognize outliers and defend adversaries.

Classification Robust classification

Improve the Robustness and Accuracy of Deep Neural Network with $L_{2,\infty}$ Normalization

no code implementations10 Oct 2020 Lijia Yu, Xiao-Shan Gao

A lower bound for the robustness measure is given in terms of the $L_{2,\infty}$ norm.

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