Search Results for author: Yu-an Tan

Found 9 papers, 2 papers with code

Towards Transferable Adversarial Attacks with Centralized Perturbation

no code implementations11 Dec 2023 Shangbo Wu, Yu-an Tan, Yajie Wang, Ruinan Ma, Wencong Ma, Yuanzhang Li

To this end, we propose a transferable adversarial attack with fine-grained perturbation optimization in the frequency domain, creating centralized perturbation.

Adversarial Attack

Unified High-binding Watermark for Unconditional Image Generation Models

no code implementations14 Oct 2023 Ruinan Ma, Yu-an Tan, Shangbo Wu, Tian Chen, Yajie Wang, Yuanzhang Li

In the first stage, we use an encoder to invisibly write the watermark image into the output images of the original AIGC tool, and reversely extract the watermark image through the corresponding decoder.

Image Generation Unconditional Image Generation

Concealed Electronic Countermeasures of Radar Signal with Adversarial Examples

no code implementations12 Oct 2023 Ruinan Ma, Canjie Zhu, Mingfeng Lu, Yunjie Li, Yu-an Tan, Ruibin Zhang, Ran Tao

We first propose an attack pipeline under the time-frequency images scenario and DITIMI-FGSM attack algorithm with high transferability.

Enhancing Clean Label Backdoor Attack with Two-phase Specific Triggers

no code implementations10 Jun 2022 Nan Luo, Yuanzhang Li, Yajie Wang, Shangbo Wu, Yu-an Tan, Quanxin Zhang

Clean-label settings make the attack more stealthy due to the correct image-label pairs, but some problems still exist: first, traditional methods for poisoning training data are ineffective; second, traditional triggers are not stealthy which are still perceptible.

Backdoor Attack backdoor defense +1

Improving the Transferability of Adversarial Examples with Restructure Embedded Patches

1 code implementation27 Apr 2022 Huipeng Zhou, Yu-an Tan, Yajie Wang, Haoran Lyu, Shangbo Wu, Yuanzhang Li

We attack the unique self-attention mechanism in ViTs by restructuring the embedded patches of the input.

Specificity

Boosting Adversarial Transferability of MLP-Mixer

no code implementations26 Apr 2022 Haoran Lyu, Yajie Wang, Yu-an Tan, Huipeng Zhou, Yuhang Zhao, Quanxin Zhang

Our method can mask the part input of the Mixer layer, avoid overfitting of the adversarial examples to the source model, and improve the transferability of cross-architecture.

Adversarial Attack

Decision-based Black-box Attack Against Vision Transformers via Patch-wise Adversarial Removal

1 code implementation7 Dec 2021 Yucheng Shi, Yahong Han, Yu-an Tan, Xiaohui Kuang

On the other hand, the neglect of noise sensitivity differences between image regions by existing decision-based attacks further compromises the efficiency of noise compression, especially for ViTs.

Adversarial Robustness

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