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Facial recognition systems are vulnerable to physical (e.g., printed photos) and digital (e.g., DeepFake) face attacks. Existing methods struggle to simultaneously detect physical and digital attacks due to: 1) significant intra-class…

计算机视觉与模式识别 · 计算机科学 2025-04-02 Yongze Li , Ning Li , Ajian Liu , Hui Ma , Liying Yang , Xihong Chen , Zhiyao Liang , Yanyan Liang , Jun Wan , Zhen Lei

The rapid development of photo-realistic face generation methods has raised significant concerns in society and academia, highlighting the urgent need for robust and generalizable face forgery detection (FFD) techniques. Although existing…

计算机视觉与模式识别 · 计算机科学 2025-06-03 Yaning Zhang , Tianyi Wang , Zitong Yu , Zan Gao , Linlin Shen , Shengyong Chen

Algorithmic detection of facial palsy offers the potential to improve current practices, which usually involve labor-intensive and subjective assessments by clinicians. In this paper, we present a multimodal fusion-based deep learning model…

计算机视觉与模式识别 · 计算机科学 2025-03-14 Heng Yim Nicole Oo , Min Hun Lee , Jeong Hoon Lim

The vulnerability against presentation attacks is a crucial problem undermining the wide-deployment of face recognition systems. Though presentation attack detection (PAD) systems try to address this problem, the lack of generalization and…

计算机视觉与模式识别 · 计算机科学 2022-02-22 Anjith George , David Geissbuhler , Sebastien Marcel

Most existing works on few-shot object detection (FSOD) focus on a setting where both pre-training and few-shot learning datasets are from a similar domain. However, few-shot algorithms are important in multiple domains; hence evaluation…

计算机视觉与模式识别 · 计算机科学 2022-07-25 Kibok Lee , Hao Yang , Satyaki Chakraborty , Zhaowei Cai , Gurumurthy Swaminathan , Avinash Ravichandran , Onkar Dabeer

Face recognition has achieved unprecedented results, surpassing human capabilities in certain scenarios. However, these automatic solutions are not ready for production because they can be easily fooled by simple identity impersonation…

计算机视觉与模式识别 · 计算机科学 2019-04-18 Daniel Pérez-Cabo , David Jiménez-Cabello , Artur Costa-Pazo , Roberto J. López-Sastre

Facial recognition systems are susceptible to both physical and digital attacks, posing significant security risks. Traditional approaches often treat these two attack types separately due to their distinct characteristics. Thus, when being…

计算机视觉与模式识别 · 计算机科学 2024-08-26 Hang Zou , Chenxi Du , Hui Zhang , Yuan Zhang , Ajian Liu , Jun Wan , Zhen Lei

Flying Ad Hoc Networks (FANETs), which primarily interconnect Unmanned Aerial Vehicles (UAVs), present distinctive security challenges due to their distributed and dynamic characteristics, necessitating tailored security solutions.…

密码学与安全 · 计算机科学 2025-01-24 Ozlem Ceviz , Sevil Sen , Pinar Sadioglu

Humans exhibit a remarkable ability to learn quickly from a limited number of labeled samples, a capability that starkly contrasts with that of current machine learning systems. Unsupervised Few-Shot Learning (U-FSL) seeks to bridge this…

计算机视觉与模式识别 · 计算机科学 2024-08-27 Zhenyu Zhang , Guangyao Chen , Yixiong Zou , Zhimeng Huang , Yuhua Li , Ruixuan Li

With the increasing integration of smartphones into our daily lives, fingerphotos are becoming a potential contactless authentication method. While it offers convenience, it is also more vulnerable to spoofing using various presentation…

计算机视觉与模式识别 · 计算机科学 2023-10-24 Banafsheh Adami , Sara Tehranipoor , Nasser Nasrabadi , Nima Karimian

Few-shot Learning (FSL) which aims to learn from few labeled training data is becoming a popular research topic, due to the expensive labeling cost in many real-world applications. One kind of successful FSL method learns to compare the…

计算机视觉与模式识别 · 计算机科学 2021-03-09 Baoming Yan , Chen Zhou , Bo Zhao , Kan Guo , Jiang Yang , Xiaobo Li , Ming Zhang , Yizhou Wang

In this paper, we analyze the feasibility of applying few-shot learning to speech emotion recognition task (SER). The current speech emotion recognition models work exceptionally well but fail when then input is multilingual. Moreover, when…

声音 · 计算机科学 2022-06-01 Anugunj Naman , Chetan Sinha , Liliana Mancini

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…

计算机视觉与模式识别 · 计算机科学 2025-06-13 Anuj Rai , Parsheel Kumar Tiwari , Jyotishna Baishya , Ram Prakash Sharma , Somnath Dey

Few-shot learning is a problem of high interest in the evolution of deep learning. In this work, we consider the problem of few-shot object detection (FSOD) in a real-world, class-imbalanced scenario. For our experiments, we utilize the…

计算机视觉与模式识别 · 计算机科学 2021-03-18 Anay Majee , Kshitij Agrawal , Anbumani Subramanian

The rapid evolution of generative adversarial networks (GANs) and diffusion models has made synthetic media increasingly realistic, raising societal concerns around misinformation, identity fraud, and digital trust. Existing deepfake…

计算机视觉与模式识别 · 计算机科学 2025-11-03 Sales Aribe

With the increased deployment of face recognition systems in our daily lives, face presentation attack detection (PAD) is attracting much attention and playing a key role in securing face recognition systems. Despite the great performance…

计算机视觉与模式识别 · 计算机科学 2021-11-03 Meiling Fang , Naser Damer , Florian Kirchbuchner , Arjan Kuijper

Cross-subject EEG emotion recognition is challenged by significant inter-subject variability and intricately entangled intra-subject variability. Existing works have primarily addressed these challenges through domain adaptation or…

图像与视频处理 · 电气工程与系统科学 2025-03-26 Haiqi Liu , C. L. Philip Chen , Tong Zhang

Few-shot learning aims to train models that can be generalized to novel classes with only a few samples. Recently, a line of works are proposed to enhance few-shot learning with accessible semantic information from class names. However,…

机器学习 · 计算机科学 2023-07-11 Zihao Jiang , Yunkai Dang , Dong Pang , Huishuai Zhang , Weiran Huang

In many real-world problems, collecting a large number of labeled samples is infeasible. Few-shot learning (FSL) is the dominant approach to address this issue, where the objective is to quickly adapt to novel categories in presence of a…

计算机视觉与模式识别 · 计算机科学 2021-04-20 Mamshad Nayeem Rizve , Salman Khan , Fahad Shahbaz Khan , Mubarak Shah

Face anti-spoofing (FAS) plays a vital role in securing face recognition systems from presentation attacks. Benefitted from the maturing camera sensors, single-modal (RGB) and multi-modal (e.g., RGB+Depth) FAS has been applied in various…

计算机视觉与模式识别 · 计算机科学 2023-03-17 Zitong Yu , Ajian Liu , Chenxu Zhao , Kevin H. M. Cheng , Xu Cheng , Guoying Zhao
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