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Face anti-spoofing is critical to prevent face recognition systems from a security breach. The biometrics community has %possessed achieved impressive progress recently due the excellent performance of deep neural networks and the…

Computer Vision and Pattern Recognition · Computer Science 2020-04-24 Ajian Liu , Xuan Li , Jun Wan , Sergio Escalera , Hugo Jair Escalante , Meysam Madadi , Yi Jin , Zhuoyuan Wu , Xiaogang Yu , Zichang Tan , Qi Yuan , Ruikun Yang , Benjia Zhou , Guodong Guo , Stan Z. Li

Network intrusion detection is one of the most visible uses for Big Data analytics. One of the main problems in this application is the constant rise of new attacks. This scenario, characterized by the fact that not enough labeled examples…

Cryptography and Security · Computer Science 2016-08-01 Jorge Luis Rivero Pérez , Bernardete Ribeiro

Morphing attacks keep threatening biometric systems, especially face recognition systems. Over time they have become simpler to perform and more realistic, as such, the usage of deep learning systems to detect these attacks has grown. At…

Computer Vision and Pattern Recognition · Computer Science 2023-06-06 Eduarda Caldeira , Pedro C. Neto , Tiago Gonçalves , Naser Damer , Ana F. Sequeira , Jaime S. Cardoso

The emergence of deepfake technologies has become a matter of social concern as they pose threats to individual privacy and public security. It is now of great significance to develop reliable deepfake detectors. However, with numerous face…

Computer Vision and Pattern Recognition · Computer Science 2023-03-16 Liang Shi , Jie Zhang , Shiguang Shan

Deepfake detection refers to detecting artificially generated or edited faces in images or videos, which plays an essential role in visual information security. Despite promising progress in recent years, Deepfake detection remains a…

Computer Vision and Pattern Recognition · Computer Science 2023-12-11 Chunlei Peng , Huiqing Guo , Decheng Liu , Nannan Wang , Ruimin Hu , Xinbo Gao

End-to-end approaches to anti-spoofing, especially those which operate directly upon the raw signal, are starting to be competitive with their more traditional counterparts. Until recently, all such approaches consider only the learning of…

Audio and Speech Processing · Electrical Eng. & Systems 2021-10-07 Wanying Ge , Jose Patino , Massimiliano Todisco , Nicholas Evans

Face morphing represents nowadays a big security threat in the context of electronic identity documents as well as an interesting challenge for researchers in the field of face recognition. Despite of the good performance obtained by…

Computer Vision and Pattern Recognition · Computer Science 2021-02-25 Matteo Ferrara , Annalisa Franco , Davide Maltoni

Spoofing attacks posed by generating artificial speech can severely degrade the performance of a speaker verification system. Recently, many anti-spoofing countermeasures have been proposed for detecting varying types of attacks from…

Audio and Speech Processing · Electrical Eng. & Systems 2020-12-08 Yuanjun Zhao , Roberto Togneri , Victor Sreeram

Though having achieved some progresses, the hand-crafted texture features, e.g., LBP [23], LBP-TOP [11] are still unable to capture the most discriminative cues between genuine and fake faces. In this paper, instead of designing feature by…

Computer Vision and Pattern Recognition · Computer Science 2014-08-27 Jianwei Yang , Zhen Lei , Stan Z. Li

In this work, we investigate the concept of biometric backdoors: a template poisoning attack on biometric systems that allows adversaries to stealthily and effortlessly impersonate users in the long-term by exploiting the template update…

Cryptography and Security · Computer Science 2020-11-06 Giulio Lovisotto , Simon Eberz , Ivan Martinovic

Change detection has been a hotspot in remote sensing technology for a long time. With the increasing availability of multi-temporal remote sensing images, numerous change detection algorithms have been proposed. Among these methods, image…

Computer Vision and Pattern Recognition · Computer Science 2019-09-06 Bo Du , Lixiang Ru , Chen Wu , Liangpei Zhang

Deepfakes pose growing challenges to the trust of information on the Internet. Thus, detecting deepfakes has attracted increasing attentions from both academia and industry. State-of-the-art deepfake detection methods consist of two key…

Cryptography and Security · Computer Science 2021-10-08 Xiaoyu Cao , Neil Zhenqiang Gong

Face recognition systems are widely deployed in high-security applications such as for biometric verification at border controls. Despite their high accuracy on pristine data, it is well-known that digital manipulations, such as face…

Computer Vision and Pattern Recognition · Computer Science 2024-12-31 Mathias Ibsen , Lázaro J. González-Soler , Christian Rathgeb , Christoph Busch

Face anti-spoofing aims at identifying the real face, as well as the fake one, and gains a high attention in security-sensitive applications, liveness detection, fingerprinting, and so on. In this paper, we address the anti-spoofing problem…

Computer Vision and Pattern Recognition · Computer Science 2019-12-20 Ali Ghofrani , Rahil Mahdian Toroghi , Seyed Mojtaba Tabatabaie

Face Anti-Spoofing (FAS) is crucial to safeguard Face Recognition (FR) Systems. In real-world scenarios, FRs are confronted with both physical and digital attacks. However, existing algorithms often address only one type of attack at a…

Computer Vision and Pattern Recognition · Computer Science 2024-04-19 Haocheng Yuan , Ajian Liu , Junze Zheng , Jun Wan , Jiankang Deng , Sergio Escalera , Hugo Jair Escalante , Isabelle Guyon , Zhen Lei

As Facial Recognition System(FRS) is widely applied in areas such as access control and mobile payments due to its convenience and high accuracy. The security of facial recognition is also highly regarded. The Face anti-spoofing system(FAS)…

Computer Vision and Pattern Recognition · Computer Science 2023-08-10 Qiushi Guo

Federated Learning (FL) allows multiple clients to collaboratively train a Neural Network (NN) model on their private data without revealing the data. Recently, several targeted poisoning attacks against FL have been introduced. These…

Cryptography and Security · Computer Science 2022-01-04 Phillip Rieger , Thien Duc Nguyen , Markus Miettinen , Ahmad-Reza Sadeghi

Real-world face recognition systems are vulnerable to both physical presentation attacks (PAs) and digital forgery attacks (DFs). We aim to achieve comprehensive protection of biometric data by implementing a unified physical-digital…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Jiabao Guo , Yadian Wang , Hui Ma , Yuhao Fu , Ju Jia , Hui Liu , Shengeng Tang , Lechao Cheng , Yunfeng Diao , Ajian Liu

Recent deepfake detection studies often treat unseen sample detection as a ``zero-shot" task, training on images generated by known models but generalizing to unknown ones. A key real-world challenge arises when a model performs poorly on…

Computer Vision and Pattern Recognition · Computer Science 2025-08-14 Shibo Yao , Renshuai Tao , Xiaolong Zheng , Chao Liang , Chunjie Zhang

Face anti-spoofing is significant to the security of face recognition systems. Previous works on depth supervised learning have proved the effectiveness for face anti-spoofing. Nevertheless, they only considered the depth as an auxiliary…

Computer Vision and Pattern Recognition · Computer Science 2019-03-06 Zezheng Wang , Chenxu Zhao , Yunxiao Qin , Qiusheng Zhou , Guojun Qi , Jun Wan , Zhen Lei
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