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Related papers: An Ensemble Model for Face Liveness Detection

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Face anti-spoofing (FAS) techniques aim to enhance the security of facial identity authentication by distinguishing authentic live faces from deceptive attempts. While two-class FAS methods risk overfitting to training attacks to achieve…

Computer Vision and Pattern Recognition · Computer Science 2025-07-25 Pei-Kai Huang , Jun-Xiong Chong , Ming-Tsung Hsu , Fang-Yu Hsu , Yi-Ting Lin , Kai-Heng Chien , Hao-Chiang Shao , Chiou-Ting Hsu

Face recognition systems are designed to be robust against changes in head pose, illumination, and blurring during image capture. If a malicious person presents a face photo of the registered user, they may bypass the authentication process…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Mika Feng , Koichi Ito , Takafumi Aoki , Tetsushi Ohki , Masakatsu Nishigaki

Detecting facial action units (AU) is one of the fundamental steps in automatic recognition of facial expression of emotions and cognitive states. Though there have been a variety of approaches proposed for this task, most of these models…

Computer Vision and Pattern Recognition · Computer Science 2019-11-28 Mihee Lee , Ognjen Rudovic , Vladimir Pavlovic , Maja Pantic

Face Presentation Attack Detection (PAD) plays a pivotal role in securing face recognition systems against spoofing attacks. Although great progress has been made in designing face PAD methods, developing a model that can generalize well to…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Usman Muhammad , Jorma Laaksonen , Djamila Romaissa Beddiar , Mourad Oussalah

Open-set face recognition describes a scenario where unknown subjects, unseen during the training stage, appear on test time. Not only it requires methods that accurately identify individuals of interest, but also demands approaches that…

Computer Vision and Pattern Recognition · Computer Science 2023-08-25 Rafael Henrique Vareto , William Robson Schwartz

Face anti-spoofing is the crucial step to prevent face recognition systems from a security breach. Previous deep learning approaches formulate face anti-spoofing as a binary classification problem. Many of them struggle to grasp adequate…

Computer Vision and Pattern Recognition · Computer Science 2018-03-30 Yaojie Liu , Amin Jourabloo , Xiaoming Liu

Recent advancements in Generative Adversarial Networks (GANs) have enabled photorealistic image generation with high quality. However, the malicious use of such generated media has raised concerns regarding visual misinformation. Although…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Liviu-Daniel Ştefan , Dan-Cristian Stanciu , Mihai Dogariu , Mihai Gabriel Constantin , Andrei Cosmin Jitaru , Bogdan Ionescu

Deep metric learning aims to learn an embedding function, modeled as deep neural network. This embedding function usually puts semantically similar images close while dissimilar images far from each other in the learned embedding space.…

Computer Vision and Pattern Recognition · Computer Science 2018-09-03 Wonsik Kim , Bhavya Goyal , Kunal Chawla , Jungmin Lee , Keunjoo Kwon

Face Recognition Systems that operate in unconstrained environments capture images under varying conditions,such as inconsistent lighting, or diverse face poses. These challenges require including a Face Detection module that regresses…

Computer Vision and Pattern Recognition · Computer Science 2025-08-04 Quentin Le Roux , Yannick Teglia , Teddy Furon , Philippe Loubet-Moundi

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

The human face has a high potential for biometric identification due to its many individual traits. At the same time, such identification is vulnerable to biometric copies. These presentation attacks pose a great challenge in unsupervised…

Computer Vision and Pattern Recognition · Computer Science 2021-08-11 Martin Thümmel , Sven Sickert , Joachim Denzler

Deep neural networks have achieved substantial achievements in several computer vision areas, but have vulnerabilities that are often fooled by adversarial examples that are not recognized by humans. This is an important issue for security…

Computer Vision and Pattern Recognition · Computer Science 2021-01-29 Hakmin Lee , Hong Joo Lee , Seong Tae Kim , Yong Man Ro

It has become increasingly challenging to distinguish real faces from their visually realistic fake counterparts, due to the great advances of deep learning based face manipulation techniques in recent years. In this paper, we introduce a…

Computer Vision and Pattern Recognition · Computer Science 2020-09-15 Disheng Feng , Xuequan Lu , Xufeng Lin

Biometric presentation attack detection is gaining increasing attention. Users of mobile devices find it more convenient to unlock their smart applications with finger, face or iris recognition instead of passwords. In this paper, we survey…

Computer Vision and Pattern Recognition · Computer Science 2020-05-04 Yomna Safaa El-Din , Mohamed N. Moustafa , Hani Mahdi

Rapid progress in deep learning is continuously making it easier and cheaper to generate video forgeries. Hence, it becomes very important to have a reliable way of detecting these forgeries. This paper describes such an approach for…

Computer Vision and Pattern Recognition · Computer Science 2020-04-27 Nika Dogonadze , Jana Obernosterer , Ji Hou

In a typical face recognition pipeline, the task of the face detector is to localize the face region. However, the face detector localizes regions that look like a face, irrespective of the liveliness of the face, which makes the entire…

Computer Vision and Pattern Recognition · Computer Science 2020-07-30 Anjith George , Sebastien Marcel

Face recognition systems are increasingly used in biometric security for convenience and effectiveness. However, they remain vulnerable to spoofing attacks, where attackers use photos, videos, or masks to impersonate legitimate users. This…

Computer Vision and Pattern Recognition · Computer Science 2024-10-23 Arman Keresh , Pakizar Shamoi

Credit card fraud detection is a very challenging problem because of the specific nature of transaction data and the labeling process. The transaction data is peculiar because they are obtained in a streaming fashion, they are strongly…

Machine Learning · Computer Science 2018-04-23 Fabirzio Carcillo , Yann-Aël Le Borgne , Olivier Caelen , Gianluca Bontempi

The non-intrusive nature and high accuracy of face recognition algorithms have led to their successful deployment across multiple applications ranging from border access to mobile unlocking and digital payments. However, their vulnerability…

Computer Vision and Pattern Recognition · Computer Science 2020-10-27 Nilay Sanghvi , Sushant Kumar Singh , Akshay Agarwal , Mayank Vatsa , Richa Singh

The paper addresses face presentation attack detection in the challenging conditions of an unseen attack scenario where the system is exposed to novel presentation attacks that were not present in the training step. For this purpose, a pure…

Computer Vision and Pattern Recognition · Computer Science 2020-01-01 Shervin Rahimzadeh Arashloo