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Related papers: The ND-IRIS-0405 Iris Image Dataset

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This paper offers three new, open-source, deep learning-based iris segmentation methods, and the methodology how to use irregular segmentation masks in a conventional Gabor-wavelet-based iris recognition. To train and validate the methods,…

Computer Vision and Pattern Recognition · Computer Science 2019-01-07 Daniel Kerrigan , Mateusz Trokielewicz , Adam Czajka , Kevin Bowyer

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…

Computer Vision and Pattern Recognition · Computer Science 2011-07-15 Nicolaie Popescu-Bodorin

Iris recognition is widely used in high-security scenarios due to its stability and distinctiveness. However, iris images captured by different devices exhibit certain and device-related consistent differences, which has a greater impact on…

Computer Vision and Pattern Recognition · Computer Science 2025-04-14 Hang Zou , Chenxi Du , Ajian Liu , Yuan Zhang , Jing Liu , Mingchuan Yang , Jun Wan , Hui Zhang , Zhenan Sun

With the increasing adoption of iris recognition systems and the expansion of large-scale enrollment databases, there is a growing need to efficiently assess iris image quality at the time of acquisition, particularly to model user…

Image and Video Processing · Electrical Eng. & Systems 2025-10-24 Jack Pessaud , Eric Moran , John Nguyen , Joel Palko

Iris recognition is a secure biometric technology known for its stability and privacy. With no two irises being identical and little change throughout a person's lifetime, iris recognition is considered more reliable and less susceptible to…

Computer Vision and Pattern Recognition · Computer Science 2023-03-16 Yimin Yin , Siliang He , Renye Zhang , Hongli Chang , Xu Han , Jinghua Zhang

This paper presents an analysis of how iris recognition is influenced by eye disease and an appropriate dataset comprising 2996 images of irises taken from 230 distinct eyes (including 184 affected by more than 20 different eye conditions).…

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

Iris recognition systems transform an iris image into a feature vector. The seminal pipeline segments an image into iris and non-iris pixels, normalizes this region into a fixed-dimension rectangle, and extracts features which are stored…

Computer Vision and Pattern Recognition · Computer Science 2021-04-14 Sohaib Ahmad , Christopher Geiger , Benjamin Fuller

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

Iris recognition has been an active research area during last few decades, because of its wide applications in security, from airports to homeland security border control. Different features and algorithms have been proposed for iris…

Computer Vision and Pattern Recognition · Computer Science 2019-07-23 Shervin Minaee , Amirali Abdolrashidi

This chapter provides insight on how iris recognition, one of the leading biometric identification technologies in the world, can be impacted by pathologies and illnesses present in the eye, what are the possible repercussions of this…

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

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

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

Synthesis of same-identity biometric iris images, both for existing and non-existing identities while preserving the identity across a wide range of pupil sizes, is complex due to the intricate iris muscle constriction mechanism, requiring…

Computer Vision and Pattern Recognition · Computer Science 2025-05-02 Siamul Karim Khan , Patrick Tinsley , Mahsa Mitcheff , Patrick Flynn , Kevin W. Bowyer , Adam Czajka

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

This paper proposes the first, known to us, open source presentation attack detection (PAD) solution to distinguish between authentic iris images (possibly wearing clear contact lenses) and irises with textured contact lenses. This software…

Computer Vision and Pattern Recognition · Computer Science 2019-05-10 Joseph McGrath , Kevin W. Bowyer , Adam Czajka

Non-invasive, efficient, physical token-less, accurate and stable identification methods for newborns may prevent baby swapping at birth, limit baby abductions and improve post-natal health monitoring across geographies, within the context…

Computer Vision and Pattern Recognition · Computer Science 2025-01-03 Rasel Ahmed Bhuiyan , Mateusz Trokielewicz , Piotr Maciejewicz , Sherri Bucher , Adam Czajka

This paper advances the state of the art in human examination of iris images by (1) assessing the impact of different iris conditions in identity verification, and (2) introducing an annotation step that improves the accuracy of people's…

Computer Vision and Pattern Recognition · Computer Science 2018-11-21 Daniel Moreira , Mateusz Trokielewicz , Adam Czajka , Kevin W. Bowyer , Patrick J. Flynn

Generating iris images which look realistic is both an interesting and challenging problem. Most of the classical statistical models are not powerful enough to capture the complicated texture representation in iris images, and therefore…

Computer Vision and Pattern Recognition · Computer Science 2018-12-27 Shervin Minaee , Amirali Abdolrashidi

Post-mortem iris recognition is an emerging application of iris-based human identification in a forensic setup, able to correctly identify deceased subjects even three weeks post-mortem. This technique thus is considered as an important…

Computer Vision and Pattern Recognition · Computer Science 2023-12-08 Rasel Ahmed Bhuiyan , Adam Czajka

In recent years, mobile Internet has accelerated the proliferation of smart mobile development. The mobile payment, mobile security and privacy protection have become the focus of widespread attention. Iris recognition becomes a…

Computer Vision and Pattern Recognition · Computer Science 2020-06-16 Siming Zheng , Rahmita Wirza O. K. Rahmat , Fatimah Khalid , Nurul Amelina Nasharuddin