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Related papers: Indexing Irises by Intrinsic Dimension

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The analysis of neural representation has become an integral part of research aiming to better understand the inner workings of neural networks. While there are many different approaches to investigate neural representations, an important…

Machine Learning · Computer Science 2026-04-23 Rickmer Schulte , David Rügamer

The extraction of consistent and identifiable features from an image of the human iris is known as iris recognition. Identifying which pixels belong to the iris, known as segmentation, is the first stage of iris recognition. Errors in…

Computer Vision and Pattern Recognition · Computer Science 2018-12-21 Sohaib Ahmad , Benjamin Fuller

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

Iris biometrics is a phenotypic biometric trait that has proven to be agnostic to human natural physiological changes. Research on iris biometrics has progressed tremendously, partly due to publicly available iris databases. Various…

Computer Vision and Pattern Recognition · Computer Science 2023-02-28 Jawad Muhammad , Yunlong Wang , Junxing Hu , Kunbo Zhang , Zhenan Sun

Iris is one of the popular biometrics that is widely used for identity authentication. Different features have been used to perform iris recognition in the past. Most of them are based on hand-crafted features designed by biometrics…

Computer Vision and Pattern Recognition · Computer Science 2019-01-09 Shervin Minaee , Amirali Abdolrashidi , Yao Wang

Biometrics is the science of identifying an individual based on their intrinsic anatomical or behavioural characteristics, such as fingerprints, face, iris, gait, and voice. Iris recognition is one of the most successful methods because it…

Computer Vision and Pattern Recognition · Computer Science 2022-12-27 Daniel P. Benalcazar , David A. Benalcazar , Andres Valenzuela

Iris recognition is one of the most important biometric recognition method. This is because the iris texture provides many features such as freckles, coronas, stripes, furrows, crypts, etc. Those features are unique for different people and…

Computer Vision and Pattern Recognition · Computer Science 2019-07-30 Shideh Homayon , Mahdi Salarian

Gender classification is attractive in a range of applications, including surveillance and monitoring, corporate profiling, and human-computer interaction. Individuals' identities may be gleaned from information about their gender, which is…

Computer Vision and Pattern Recognition · Computer Science 2025-08-11 Basna Mohammed Salih Hasan , Ramadhan J. Mstafa

The use of iris as a biometric trait is widely used because of its high level of distinction and uniqueness. Nowadays, one of the major research challenges relies on the recognition of iris images obtained in visible spectrum under…

Computer Vision and Pattern Recognition · Computer Science 2019-01-21 Luiz A. Zanlorensi , Eduardo Luz , Rayson Laroca , Alceu S. Britto , Luiz S. Oliveira , David Menotti

This paper presents a unique analysis of post-mortem human iris recognition. Post-mortem human iris images were collected at the university mortuary in three sessions separated by approximately 11 hours, with the first session organized…

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

Iris Recognition Systems are ocular- based biometric devices used primarily for security reasons. The complexity and the randomness of the Iris, amongst various other factors, ensure that this biometric system is inarguably an exact and…

Computer Vision and Pattern Recognition · Computer Science 2014-10-28 Abhimanyu Sarin , Dr. Jagadish Nayak

We present a large scale data set, OpenEDS: Open Eye Dataset, of eye-images captured using a virtual-reality (VR) head mounted display mounted with two synchronized eyefacing cameras at a frame rate of 200 Hz under controlled illumination.…

Computer Vision and Pattern Recognition · Computer Science 2019-05-20 Stephan J. Garbin , Yiru Shen , Immo Schuetz , Robert Cavin , Gregory Hughes , Sachin S. Talathi

Post-mortem iris recognition brings both hope to the forensic community (a short-term but accurate and fast means of verifying identity) as well as concerns to society (its potential illicit use in post-mortem impersonation). These hopes…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Rasel Ahmed Bhuiyan , Parisa Farmanifard , Renu Sharma , Andrey Kuehlkamp , Aidan Boyd , Patrick J Flynn , Kevin W Bowyer , Arun Ross , Dennis Chute , Adam Czajka

The growing importance of person reidentification in computer vision has highlighted the need for more extensive and diverse datasets. In response, we introduce the ENTIRe-ID dataset, an extensive collection comprising over 4.45 million…

Computer Vision and Pattern Recognition · Computer Science 2024-06-03 Serdar Yildiz , Ahmet Nezih Kasim

We propose a new iris presentation attack detection method using three-dimensional features of an observed iris region estimated by photometric stereo. Our implementation uses a pair of iris images acquired by a common commercial iris…

Computer Vision and Pattern Recognition · Computer Science 2018-11-20 Adam Czajka , Zhaoyuan Fang , Kevin W. Bowyer

Augmented and virtual reality is being deployed in different fields of applications. Such applications might involve accessing or processing critical and sensitive information, which requires strict and continuous access control. Given that…

Computer Vision and Pattern Recognition · Computer Science 2020-10-23 Fadi Boutros , Naser Damer , Kiran Raja , Raghavendra Ramachandra , Florian Kirchbuchner , Arjan Kuijper

This study presents the first automated classifier designed to determine whether a pair of iris images originates from monozygotic individuals, addressing a previously untackled problem in biometric recognition. In Daugman-style iris…

Computer Vision and Pattern Recognition · Computer Science 2025-06-26 Yongle Yuan , Kevin W. Bowyer

We conducted more than 1.3 million comparisons of iris patterns encoded from images collected at two Nigerian universities, which constitute the newly available African Human Iris (AFHIRIS) database. The purpose was to discover whether…

Computer Vision and Pattern Recognition · Computer Science 2023-09-14 John Daugman , Cathryn Downing , Oluwatobi Noah Akande , Oluwakemi Christiana Abikoye

The use of low-resolution images adopting more relaxed acquisition conditions such as mobile phones and surveillance videos is becoming increasingly common in iris recognition nowadays. Concurrently, a great variety of single image…

Computer Vision and Pattern Recognition · Computer Science 2022-10-25 Eduardo Ribeiro , Andreas Uhl , Fernando Alonso-Fernandez

The human visual system can effortlessly recognize an object under different extrinsic factors such as lighting, object poses, and background, yet current computer vision systems often struggle with these variations. An important step to…

Computer Vision and Pattern Recognition · Computer Science 2023-11-03 Klemen Kotar , Stephen Tian , Hong-Xing Yu , Daniel L. K. Yamins , Jiajun Wu