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Despite significant advances in facial recognition systems, they remain vulnerable to face presentation attacks. Among them, disguise makeup attacks are particularly challenging, as they use advanced cosmetics, prosthetic components, and…

Computer Vision and Pattern Recognition · Computer Science 2026-04-30 Fateme Taraghi , Atefe Aghaei , Mohsen Ebrahimi Moghaddam

Modern face recognition systems (FRS) still fall short when the subjects are wearing facial masks, a common theme in the age of respiratory pandemics. An intuitive partial remedy is to add a mask detector to flag any masked faces so that…

Computer Vision and Pattern Recognition · Computer Science 2022-04-13 Jiayi Zhu , Qing Guo , Felix Juefei-Xu , Yihao Huang , Yang Liu , Geguang Pu

Recent studies proved that deep learning approaches achieve remarkable results on face detection task. On the other hand, the advances gave rise to a new problem associated with the security of the deep convolutional neural network models…

Computer Vision and Pattern Recognition · Computer Science 2020-10-27 Edgar Kaziakhmedov , Klim Kireev , Grigorii Melnikov , Mikhail Pautov , Aleksandr Petiushko

The main scope of this chapter is to serve as an introduction to face presentation attack detection, including key resources and advances in the field in the last few years. The next pages present the different presentation attacks that a…

Computer Vision and Pattern Recognition · Computer Science 2021-11-29 Javier Hernandez-Ortega , Julian Fierrez , Aythami Morales , Javier Galbally

Natural images are virtually surrounded by low-density misclassified regions that can be efficiently discovered by gradient-guided search --- enabling the generation of adversarial images. While many techniques for detecting these attacks…

Machine Learning · Computer Science 2019-12-05 Tao Yu , Shengyuan Hu , Chuan Guo , Wei-Lun Chao , Kilian Q. Weinberger

Though deep neural networks have achieved state-of-the-art performance in visual classification, recent studies have shown that they are all vulnerable to the attack of adversarial examples. Small and often imperceptible perturbations to…

Machine Learning · Computer Science 2018-06-05 Pinlong Zhao , Zhouyu Fu , Ou wu , Qinghua Hu , Jun Wang

Estimating the risk level of adversarial examples is essential for safely deploying machine learning models in the real world. One popular approach for physical-world attacks is to adopt the "sticker-pasting" strategy, which however suffers…

Computer Vision and Pattern Recognition · Computer Science 2022-03-24 Yiqi Zhong , Xianming Liu , Deming Zhai , Junjun Jiang , Xiangyang Ji

The adversarial attacks against deep neural networks on computer vision tasks have spawned many new technologies that help protect models from avoiding false predictions. Recently, word-level adversarial attacks on deep models of Natural…

Computation and Language · Computer Science 2020-06-15 Zhaoyang Wang , Hongtao Wang

Automatic fingerprint recognition systems suffer from the threat of presentation attacks due to their wide range of deployment in areas including national borders and commercial applications. A presentation attack can be performed by…

Computer Vision and Pattern Recognition · Computer Science 2025-06-13 Anuj Rai , Parsheel Kumar Tiwari , Jyotishna Baishya , Ram Prakash Sharma , Somnath Dey

Physical adversarial attacks threaten to fool object detection systems, but reproducible research on the real-world effectiveness of physical patches and how to defend against them requires a publicly available benchmark dataset. We present…

Computer Vision and Pattern Recognition · Computer Science 2023-07-21 Anneliese Braunegg , Amartya Chakraborty , Michael Krumdick , Nicole Lape , Sara Leary , Keith Manville , Elizabeth Merkhofer , Laura Strickhart , Matthew Walmer

Backdoor attacks pose a significant threat to deep neural networks, particularly as recent advancements have led to increasingly subtle implantation, making the defense more challenging. Existing defense mechanisms typically rely on an…

Cryptography and Security · Computer Science 2024-09-19 Yukai Xu , Yujie Gu , Kouichi Sakurai

Prevailing defense mechanisms against adversarial face images tend to overfit to the adversarial perturbations in the training set and fail to generalize to unseen adversarial attacks. We propose a new self-supervised adversarial defense…

Computer Vision and Pattern Recognition · Computer Science 2021-04-07 Debayan Deb , Xiaoming Liu , Anil K. Jain

Adversarial attacks expose a fundamental vulnerability in modern deep vision models by exploiting their dependence on dense, pixel-level representations that are highly sensitive to imperceptible perturbations. Traditional defense…

Computer Vision and Pattern Recognition · Computer Science 2025-11-13 Jingjie He , Weijie Liang , Zihan Shan , Matthew Caesar

Safety-critical applications such as healthcare and autonomous vehicles use deep neural networks (DNN) to make predictions and infer decisions. DNNs are susceptible to evasion attacks, where an adversary crafts a malicious data instance to…

Cryptography and Security · Computer Science 2025-05-13 Mohammed Elnawawy , Gargi Mitra , Shahrear Iqbal , Karthik Pattabiraman

Powerful adversarial attack methods are vital for understanding how to construct robust deep neural networks (DNNs) and for thoroughly testing defense techniques. In this paper, we propose a black-box adversarial attack algorithm that can…

Machine Learning · Computer Science 2019-12-11 Yandong Li , Lijun Li , Liqiang Wang , Tong Zhang , Boqing Gong

Adversarial patch attacks create adversarial examples by injecting arbitrary distortions within a bounded region of the input to fool deep neural networks (DNNs). These attacks are robust (i.e., physically-realizable) and universally…

Cryptography and Security · Computer Science 2022-12-19 Zitao Chen , Pritam Dash , Karthik Pattabiraman

Convolutional neural networks (CNNs) have demonstrated rapid progress and a high level of success in object detection. However, recent evidence has highlighted their vulnerability to adversarial attacks. These attacks are calculated image…

Computer Vision and Pattern Recognition · Computer Science 2022-05-12 Chris Wise , Jo Plested

The rising use of deepfakes in criminal activities presents a significant issue, inciting widespread controversy. While numerous studies have tackled this problem, most primarily focus on deepfake detection. These reactive solutions are…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Jaehwan Jeong , Sumin In , Sieun Kim , Hannie Shin , Jongheon Jeong , Sang Ho Yoon , Jaewook Chung , Sangpil Kim

Deep learning models are being integrated into a wide range of high-impact, security-critical systems, from self-driving cars to medical diagnosis. However, recent research has demonstrated that many of these deep learning architectures are…

Computer Vision and Pattern Recognition · Computer Science 2020-11-17 Scott Freitas , Shang-Tse Chen , Zijie J. Wang , Duen Horng Chau

Image classifiers often suffer from adversarial examples, which are generated by strategically adding a small amount of noise to input images to trick classifiers into misclassification. Over the years, many defense mechanisms have been…

Machine Learning · Computer Science 2020-01-22 Huangyi Ge , Sze Yiu Chau , Bruno Ribeiro , Ninghui Li
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