Search Results for author: Hefei Ling

Found 10 papers, 2 papers with code

Improving the JPEG-resistance of Adversarial Attacks on Face Recognition by Interpolation Smoothing

no code implementations26 Feb 2024 Kefu Guo, Fengfan Zhou, Hefei Ling, Ping Li, Hui Liu

JPEG compression can significantly impair the performance of adversarial face examples, which previous adversarial attacks on face recognition (FR) have not adequately addressed.

Adversarial Attack Face Recognition

Rethinking Impersonation and Dodging Attacks on Face Recognition Systems

no code implementations17 Jan 2024 Fengfan Zhou, Qianyu Zhou, Bangjie Yin, Hui Zheng, Xuequan Lu, Lizhuang Ma, Hefei Ling

Then, Biased Gradient Adaptation is presented to adapt the adversarial examples to traverse the decision boundaries of both the attacker and victim by adding perturbations favoring dodging attacks on the vacated regions, preserving the prioritized features of the original perturbations while boosting dodging performance.

Face Recognition

Continual Adversarial Defense

no code implementations15 Dec 2023 Qian Wang, Yaoyao Liu, Hefei Ling, Yingwei Li, Qihao Liu, Ping Li, Jiazhong Chen, Alan Yuille, Ning Yu

In response to the rapidly evolving nature of adversarial attacks against visual classifiers on a monthly basis, numerous defenses have been proposed to generalize against as many known attacks as possible.

Adversarial Defense Continual Learning +2

Improving Visual Quality and Transferability of Adversarial Attacks on Face Recognition Simultaneously with Adversarial Restoration

no code implementations4 Sep 2023 Fengfan Zhou, Hefei Ling, Yuxuan Shi, Jiazhong Chen, Ping Li

To address this issue, we propose a novel adversarial attack technique known as Adversarial Restoration (AdvRestore), which enhances both visual quality and transferability of adversarial face examples by leveraging a face restoration prior.

Adversarial Attack Face Recognition

Detecting Adversarial Faces Using Only Real Face Self-Perturbations

1 code implementation22 Apr 2023 Qian Wang, Yongqin Xian, Hefei Ling, Jinyuan Zhang, Xiaorui Lin, Ping Li, Jiazhong Chen, Ning Yu

Adversarial attacks aim to disturb the functionality of a target system by adding specific noise to the input samples, bringing potential threats to security and robustness when applied to facial recognition systems.

Face Detection

Improving the Transferability of Adversarial Attacks on Face Recognition with Beneficial Perturbation Feature Augmentation

no code implementations28 Oct 2022 Fengfan Zhou, Hefei Ling, Yuxuan Shi, Jiazhong Chen, Zongyi Li, Ping Li

Though generating hard samples has shown its effectiveness in improving the generalization of models in training tasks, the effectiveness of utilizing this idea to improve the transferability of adversarial face examples remains unexplored.

Adversarial Attack Face Recognition

Hands-on Guidance for Distilling Object Detectors

no code implementations26 Mar 2021 Yangyang Qin, Hefei Ling, Zhenghai He, Yuxuan Shi, Lei Wu

Knowledge distillation can lead to deploy-friendly networks against the plagued computational complexity problem, but previous methods neglect the feature hierarchy in detectors.

Knowledge Distillation Object

Selective Convolutional Network: An Efficient Object Detector with Ignoring Background

no code implementations4 Feb 2020 Hefei Ling, Yangyang Qin, Li Zhang, Yuxuan Shi, Ping Li

It is well known that attention mechanisms can effectively improve the performance of many CNNs including object detectors.

Accurate facial image parsing at real-time speed

no code implementations IEEE Transactions on Image Processing 2019 Zhen Wei, Si Liu, Yao Sun, Hefei Ling

In this paper, we propose a design scheme for deep learning networks in the face parsing task with promising accuracy and real-time inference speed.

Face Parsing

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