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Biometric systems based on iris recognition are currently being used in border control applications and mobile devices. However, research in iris recognition is stymied by various factors such as limited datasets of bonafide irides and…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Shivangi Yadav , Arun Ross

This paper presents the experimental study revealing weaker performance of the automatic iris recognition methods for cataract-affected eyes when compared to healthy eyes. There is little research on the topic, mostly incorporating scarce…

Computer Vision and Pattern Recognition · Computer Science 2018-09-05 Mateusz Trokielewicz , Adam Czajka , Piotr Maciejewicz

The iris is considered as the biometric trait with the highest unique probability. The iris location is an important task for biometrics systems, affecting directly the results obtained in specific applications such as iris recognition,…

Computer Vision and Pattern Recognition · Computer Science 2018-10-17 Evair Severo , Rayson Laroca , Cides S. Bezerra , Luiz A. Zanlorensi , Daniel Weingaertner , Gladston Moreira , David Menotti

The demographic disparity of biometric systems has led to serious concerns regarding their societal impact as well as applicability of such systems in private and public domains. A quantitative evaluation of demographic fairness is an…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Ketan Kotwal , Sebastien Marcel

The use of biometrics to authenticate users and control access to secure areas has become extremely popular in recent years, and biometric access control systems are frequently used by both governments and private corporations. However,…

Cryptography and Security · Computer Science 2023-12-04 Justin Spencer , Deborah Lawrence , Prosenjit Chatterjee , Kaushik Roy , Albert Esterline , Jung-Hee Kim

Deep learning-based person identification and verification systems have remarkably improved in terms of accuracy in recent years; however, such systems, including widely popular cloud-based solutions, have been found to exhibit significant…

Computer Vision and Pattern Recognition · Computer Science 2023-07-20 Ioannis Sarridis , Christos Koutlis , Symeon Papadopoulos , Christos Diou

Face recognition algorithms, when used in the real world, can be very useful, but they can also be dangerous when biased toward certain demographics. So, it is essential to understand how these algorithms are trained and what factors affect…

Computer Vision and Pattern Recognition · Computer Science 2023-02-14 Manideep Kolla , Aravinth Savadamuthu

Diversity and unpredictability of artifacts potentially presented to an iris sensor calls for presentation attack detection methods that are agnostic to specificity of presentation attack instruments. This paper proposes a method that…

Computer Vision and Pattern Recognition · Computer Science 2020-08-06 Zhaoyuan Fang , Adam Czajka , Kevin W. Bowyer

Soft biometric information such as gender can contribute to many applications like as identification and security. This paper explores the use of a Binary Statistical Features (BSIF) algorithm for classifying gender from iris texture images…

Computer Vision and Pattern Recognition · Computer Science 2019-05-02 Juan Tapia , Claudia Arellano

The temporal stability of iris recognition performance is core to its success as a biometric modality. With the expanding horizon of applications for children, gaps in the knowledge base on the temporal stability of iris recognition…

Computer Vision and Pattern Recognition · Computer Science 2023-03-23 Priyanka Das , Naveen G Venkataswamy , Laura Holsopple , Masudul H Imtiaz , Michael Schuckers , Stephanie Schuckers

Face verification is a significant component of identity authentication in various applications including online banking and secure access to personal devices. The majority of the existing face image datasets often suffer from notable…

Computer Vision and Pattern Recognition · Computer Science 2025-11-24 Georgia Baltsou , Ioannis Sarridis , Christos Koutlis , Symeon Papadopoulos

In this contribution, the vulnerabilities of iris-based recognition systems to direct attacks are studied. A database of fake iris images has been created from real iris of the BioSec baseline database. Iris images are printed using a…

Computer Vision and Pattern Recognition · Computer Science 2021-11-02 Virginia Ruiz-Albacete , Pedro Tome-Gonzalez , Fernando Alonso-Fernandez , Javier Galbally , Julian Fierrez , Javier Ortega-Garcia

In the last few years, face morphing has been shown to be a complex challenge for Face Recognition Systems (FRS). Thus, the evaluation of other biometric modalities such as fingerprint, iris, and others must be explored and evaluated to…

Computer Vision and Pattern Recognition · Computer Science 2024-08-27 Juan E. Tapia , Sebastian Gonzalez , Daniel Benalcazar , Christoph Busch

Human Identity verification has always been an eye-catching goal in digital based security system. Authentication or identification systems developed using human characteristics such as face, finger print, hand geometry, iris, and voice are…

Image and Video Processing · Electrical Eng. & Systems 2020-02-11 Prajoy Podder , A. H. M Shahariar Parvez , Md. Mizanur Rahman , Tanvir Zaman Khan

The development of face recognition algorithms by academic and commercial organizations is growing rapidly due to the onset of deep learning and the widespread availability of training data. Though tests of face recognition algorithm…

Computer Vision and Pattern Recognition · Computer Science 2022-03-11 John J. Howard , Eli J. Laird , Yevgeniy B. Sirotin , Rebecca E. Rubin , Jerry L. Tipton , Arun R. Vemury

Numerous studies have shown that existing Face Recognition Systems (FRS), including commercial ones, often exhibit biases toward certain ethnicities due to under-represented data. In this work, we explore ethnicity alteration and skin tone…

Computer Vision and Pattern Recognition · Computer Science 2024-05-08 Praveen Kumar Chandaliya , Kiran Raja , Raghavendra Ramachandra , Zahid Akhtar , Christoph Busch

Searching a multi-biometric database of a billion records for a country-level identity system requires pushing the limits of all aspects of a biometric system, including acquisition, preprocessing, feature extraction, accuracy, matching…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Arka Koner , Chetan S. Naik , Lokesh Kurre , Vivek Raghavan , Barada P. Sabut , Tanusree Deb Barma , Anoop M. Namboodiri , Anil K. Jain

A large portion of iris images captured in real world scenarios are poor quality due to the uncontrolled environment and the non-cooperative subject. To ensure that the recognition algorithm is not affected by low-quality images,…

Image and Video Processing · Electrical Eng. & Systems 2020-09-29 Leyuan Wang , Kunbo Zhang , Min Ren , Yunlong Wang , Zhenan Sun

Iris recognition is widely acknowledged for its exceptional accuracy in biometric authentication, traditionally relying on near-infrared (NIR) imaging. Recently, visible spectrum (VIS) imaging via accessible smartphone cameras has been…

Image and Video Processing · Electrical Eng. & Systems 2024-12-18 Naveenkumar G Venkataswamy , Yu Liu , Surendra Singh , Soumyabrata Dey , Stephanie Schuckers , Masudul H Imtiaz

This paper presents a unique study of post-mortem human iris recognition and the first known to us database of near-infrared and visible-light iris images of deceased humans collected up to almost 17 days after death. We used four different…

Computer Vision and Pattern Recognition · Computer Science 2018-09-05 Mateusz Trokielewicz , Adam Czajka , Piotr Maciejewicz