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Related papers: A Unified Framework for Iris Anti-Spoofing: Introd…

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Self-supervised learning through masked autoencoders (MAEs) has recently attracted great attention for remote sensing (RS) image representation learning, and thus embodies a significant potential for content-based image retrieval (CBIR)…

Image and Video Processing · Electrical Eng. & Systems 2024-12-13 Jakob Hackstein , Gencer Sumbul , Kai Norman Clasen , Begüm Demir

A secure fingerprint recognition system must contain both a presentation attack (i.e., spoof) detection and recognition module in order to protect users against unwanted access by malicious users. Traditionally, these tasks would be carried…

Computer Vision and Pattern Recognition · Computer Science 2023-05-15 Steven A. Grosz , Kanishka P. Wijewardena , Anil K. Jain

Face anti-spoofing has become an increasingly important and critical security feature for authentication systems, due to rampant and easily launchable presentation attacks. Addressing the shortage of multi-modal face dataset, CASIA recently…

Computer Vision and Pattern Recognition · Computer Science 2020-04-27 Qing Yang , Xia Zhu , Jong-Kae Fwu , Yun Ye , Ganmei You , Yuan Zhu

With the recent shift towards mobile computing, new challenges for biometric authentication appear on the horizon. This paper provides a comprehensive study of cross-spectral iris recognition in a scenario, in which high quality color…

Computer Vision and Pattern Recognition · Computer Science 2018-07-12 Mateusz Trokielewicz , Ewelina Bartuzi

Face anti-spoofing is essential to prevent face recognition systems from a security breach. Much of the progresses have been made by the availability of face anti-spoofing benchmark datasets in recent years. However, existing face…

Computer Vision and Pattern Recognition · Computer Science 2020-02-05 Shifeng Zhang , Ajian Liu , Jun Wan , Yanyan Liang , Guogong Guo , Sergio Escalera , Hugo Jair Escalante , Stan Z. Li

Face anti-spoofing (FAS) plays a vital role in securing the face recognition systems from presentation attacks. Most existing FAS methods capture various cues (e.g., texture, depth and reflection) to distinguish the live faces from the…

Computer Vision and Pattern Recognition · Computer Science 2020-07-07 Zitong Yu , Xiaobai Li , Xuesong Niu , Jingang Shi , Guoying Zhao

The integration of communication networks and the Internet of Things (IoT) in Industrial Control Systems (ICSs) increases their vulnerability towards cyber-attacks, causing devastating outcomes. Traditional Intrusion Detection Systems…

Signal Processing · Electrical Eng. & Systems 2020-05-05 Abdulrahman Al-Abassi , Hadis Karimipour , Ali Dehghantanha , Reza M. Parizi

Face anti-spoofing is essential to prevent face recognition systems from a security breach. Much of the progresses have been made by the availability of face anti-spoofing benchmark datasets in recent years. However, existing face…

Computer Vision and Pattern Recognition · Computer Science 2019-04-02 Shifeng Zhang , Xiaobo Wang , Ajian Liu , Chenxu Zhao , Jun Wan , Sergio Escalera , Hailin Shi , Zezheng Wang , Stan Z. Li

Object detection in remote sensing imagery plays a vital role in various Earth observation applications. However, unlike object detection in natural scene images, this task is particularly challenging due to the abundance of small, often…

Computer Vision and Pattern Recognition · Computer Science 2024-09-16 Minh-Duc Vu , Zuheng Ming , Fangchen Feng , Bissmella Bahaduri , Anissa Mokraoui

Face anti-spoofing (FAS) plays a vital role in securing face recognition systems. Recently, central difference convolution (CDC) has shown its excellent representation capacity for the FAS task via leveraging local gradient features.…

Computer Vision and Pattern Recognition · Computer Science 2021-05-05 Zitong Yu , Yunxiao Qin , Hengshuang Zhao , Xiaobai Li , Guoying Zhao

Iris recognition is considered as one of the best biometric methods used for human identification and verification, this is because of its unique features that differ from one person to another, and its importance in the security field.…

Computer Vision and Pattern Recognition · Computer Science 2011-11-08 M. Y. Shams , M. Z. Rashad , O. Nomir , R. M. El-Awady

The adoption of large-scale iris recognition systems around the world has brought to light the importance of detecting presentation attack images (textured contact lenses and printouts). This work presents a new approach in iris…

Computer Vision and Pattern Recognition · Computer Science 2018-11-27 Andrey Kuehlkamp , Allan Pinto , Anderson Rocha , Kevin Bowyer , Adam Czajka

Cross-domain biometrics has been emerging as a new necessity, which poses several additional challenges, including harsh illumination changes, noise, pose variation, among others. In this paper, we explore approaches to cross-domain face…

Computer Vision and Pattern Recognition · Computer Science 2016-11-18 Guilherme Folego , Marcus A. Angeloni , José Augusto Stuchi , Alan Godoy , Anderson Rocha

Vision sensors are becoming more important in Intelligent Transportation Systems (ITS) for traffic monitoring, management, and optimization as the number of network cameras continues to rise. However, manual object tracking and matching…

Computer Vision and Pattern Recognition · Computer Science 2025-05-02 Muhammad Imran Zaman , Usama Ijaz Bajwa , Gulshan Saleem , Rana Hammad Raza

Deepfake technology poses a significant threat to security and social trust. Although existing detection methods have shown high performance in identifying forgeries within datasets that use the same deepfake techniques for both training…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Shanmin Yang , Hui Guo , Shu Hu , Bin Zhu , Ying Fu , Siwei Lyu , Xi Wu , Xin Wang

Multimodal Face Anti-Spoofing (FAS) methods, which integrate multiple visual modalities, often suffer even more severe performance degradation than unimodal FAS when deployed in unseen domains. This is mainly due to two overlooked risks…

Computer Vision and Pattern Recognition · Computer Science 2025-11-19 Xun Lin , Shuai Wang , Yi Yu , Zitong Yu , Jiale Zhou , Yizhong Liu , Xiaochun Cao , Alex Kot , Yefeng Zheng

Recently, vision transformer (ViT) based multimodal learning methods have been proposed to improve the robustness of face anti-spoofing (FAS) systems. However, there are still no works to explore the fundamental natures (\textit{e.g.},…

Computer Vision and Pattern Recognition · Computer Science 2023-02-14 Zitong Yu , Rizhao Cai , Yawen Cui , Xin Liu , Yongjian Hu , Alex Kot

Cross-spectral biometrics, such as matching imagery of faces or persons from visible (RGB) and infrared (IR) bands, have rapidly advanced over the last decade due to increasing sensitivity, size, quality, and ubiquity of IR focal plane…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Kshitij Nikhal , Cedric Nimpa Fondje , Benjamin S. Riggan

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

Image Splicing Localization (ISL) is a fundamental yet challenging task in digital forensics. Although current approaches have achieved promising performance, the edge information is insufficiently exploited, resulting in poor integrality…

Computer Vision and Pattern Recognition · Computer Science 2024-12-18 Yakun Niu , Pei Chen , Lei Zhang , Hongjian Yin , Qi Chang