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Non-referential face image quality assessment methods have gained popularity as a pre-filtering step on face recognition systems. In most of them, the quality score is usually designed with face matching in mind. However, a small amount of…

计算机视觉与模式识别 · 计算机科学 2022-10-03 Carlos Aravena , Diego Pasmino , Juan E. Tapia , Christoph Busch

Biometric systems are vulnerable to Presentation Attacks (PA) performed using various Presentation Attack Instruments (PAIs). Even though there are numerous Presentation Attack Detection (PAD) techniques based on both deep learning and…

计算机视觉与模式识别 · 计算机科学 2023-06-05 Zhe Kong , Wentian Zhang , Feng Liu , Wenhan Luo , Haozhe Liu , Linlin Shen , Raghavendra Ramachandra

In this report, we introduce our winning solution to the Real-time 3D Detection and also the "Most Efficient Model" in the Waymo Open Dataset Challenges at CVPR 2021. Extended from our last year's award-winning model AFDet, we have made a…

计算机视觉与模式识别 · 计算机科学 2021-08-05 Runzhou Ge , Zhuangzhuang Ding , Yihan Hu , Wenxin Shao , Li Huang , Kun Li , Qiang Liu

Iris recognition technology plays a critical role in biometric identification systems, but their performance can be affected by variations in iris pigmentation. In this work, we investigate the impact of iris pigmentation on the efficacy of…

计算机视觉与模式识别 · 计算机科学 2024-11-14 Geetanjali Sharma , Abhishek Tandon , Gaurav Jaswal , Aditya Nigam , Raghavendra Ramachandra

Iris recognition technology, used to identify individuals by photographing the iris of their eye, has become popular in security applications because of its ease of use, accuracy, and safety in controlling access to high-security areas.…

人工智能 · 计算机科学 2010-07-05 Ujwalla Gawande , Mukesh Zaveri , Avichal Kapur

Iris serves as one of the best biometric modality owing to its complex, unique and stable structure. However, it can still be spoofed using fabricated eyeballs and contact lens. Accurate identification of contact lens is must for reliable…

计算机视觉与模式识别 · 计算机科学 2017-10-17 Avantika Singh , Vishesh Mistry , Dhananjay Yadav , Aditya Nigam

Fingerprint recognition systems are widely deployed in various real-life applications as they have achieved high accuracy. The widely used applications include border control, automated teller machine (ATM), and attendance monitoring…

计算机视觉与模式识别 · 计算机科学 2020-05-19 Jag Mohan Singh , Ahmed Madhun , Guoqiang Li , Raghavendra Ramachandra

Smartphone-based iris recognition in the visible spectrum (VIS) remains difficult due to illumination variability, pigmentation differences, and the absence of standardized capture controls. This work presents a compact end-to-end pipeline…

图像与视频处理 · 电气工程与系统科学 2026-02-23 Naveenkumar G Venkataswamy , Yu Liu , Soumyabrata Dey , Stephanie Schuckers , Masudul H Imtiaz

Measures of face-identification proficiency are essential to ensure accurate and consistent performance by professional forensic face examiners and others who perform face-identification tasks in applied scenarios. Current proficiency tests…

计算机视觉与模式识别 · 计算机科学 2023-06-14 Géraldine Jeckeln , Ying Hu , Jacqueline G. Cavazos , Amy N. Yates , Carina A. Hahn , Larry Tang , P. Jonathon Phillips , Alice J. O'Toole

This chapter provides an introduction to Presentation Attack Detection (PAD) in fingerprint biometrics, also coined anti-spoofing, describes early developments in this field, and briefly summarizes recent trends and open issues.

密码学与安全 · 计算机科学 2023-04-17 Javier Galbally , Julian Fierrez , Raffaele Cappelli , Gian Luca Marcialis

Due to the vulnerability of deep neural networks (DNNs) to adversarial examples, a large number of defense techniques have been proposed to alleviate this problem in recent years. However, the progress of building more robust models is…

With hundreds of thousands of electronic chip components are being manufactured every day, chip manufacturers have seen an increasing demand in seeking a more efficient and effective way of inspecting the quality of printed texts on chip…

计算机视觉与模式识别 · 计算机科学 2021-07-13 Chun Chet Ng , Akmalul Khairi Bin Nazaruddin , Yeong Khang Lee , Xinyu Wang , Yuliang Liu , Chee Seng Chan , Lianwen Jin , Yipeng Sun , Lixin Fan

Intrusion Detection Systems (IDS) are key components for securing critical infrastructures, capable of detecting malicious activities on networks or hosts. The procedure of implementing a IDS for Internet of Things (IoT) networks is not…

密码学与安全 · 计算机科学 2021-05-19 Luca Arnaboldi , Charles Morisset

Iris recognition is a reliable personal identification method but there is still much room to improve its accuracy especially in less-constrained situations. For example, free movement of head pose may cause large rotation difference…

计算机视觉与模式识别 · 计算机科学 2019-12-03 Min Ren , Caiyong Wang , Yunlong Wang , Zhenan Sun , Tieniu Tan

In the rapidly evolving landscape of digital security, biometric authentication systems, particularly facial recognition, have emerged as integral components of various security protocols. However, the reliability of these systems is…

计算机视觉与模式识别 · 计算机科学 2026-04-13 Oleksandr Kuznetsov , Emanuele Frontoni , Luca Romeo , Riccardo Rosati , Andrea Maranesi , Alessandro Muscatello

A new approach in iris recognition based on Circular Fuzzy Iris Segmentation (CFIS) and Gabor Analytic Iris Texture Binary Encoder (GAITBE) is proposed and tested here. CFIS procedure is designed to guarantee that similar iris segments will…

计算机视觉与模式识别 · 计算机科学 2011-07-15 Nicolaie Popescu-Bodorin

Iris presentation attack detection (PAD) is critical for secure biometric deployments, yet developing specialized models faces significant practical barriers: collecting data representing future unknown attacks is impossible, and collecting…

计算机视觉与模式识别 · 计算机科学 2026-03-19 Jacob Piland , Byron Dowling , Christopher Sweet , Adam Czajka

The vulnerability of automated fingerprint recognition systems (AFRSs) to presentation attacks (PAs) promotes the vigorous development of PA detection (PAD) technology. However, PAD methods have been limited by information loss and poor…

计算机视觉与模式识别 · 计算机科学 2024-02-21 Haozhe Liu , Wentian Zhang , Feng Liu , Haoqian Wu , Linlin Shen

The Iris pattern is a unique biological feature for each individual, making it a valuable and powerful tool for human identification. In this paper, an efficient framework for iris recognition is proposed in four steps. (1) Iris…

计算机视觉与模式识别 · 计算机科学 2020-09-15 Abolfazl Zargari Khuzani , Najmeh Mashhadi , Morteza Heidari , Donya Khaledyan

Due to its crucial role in identity and access management in modern enterprise networks, Active Directory (AD) is a top target of Advanced Persistence Threat (APT) actors. Conventional intrusion detection systems (IDS) excel at identifying…

密码学与安全 · 计算机科学 2026-05-01 Qi Liu , Kaibin Bao , Wajih Ul Hassan , Veit Hagenmeyer