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Related papers: Segmentation-Aware and Adaptive Iris Recognition

200 papers

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

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

This paper presents an analysis of how the iris recognition is impacted by eye diseases and an appropriate dataset comprising 2996 iris images of 230 distinct eyes (including 184 illness-affected eyes representing more than 20 different eye…

Computer Vision and Pattern Recognition · Computer Science 2018-09-17 Mateusz Trokielewicz , Adam Czajka , Piotr Maciejewicz

This paper proposes a new framework to detect, segment, and estimate the localization of the eyes from a periocular Near-Infra-Red iris image under alcohol consumption. The purpose of the system is to measure the fitness for duty. Fitness…

Computer Vision and Pattern Recognition · Computer Science 2021-07-01 Juan Tapia , Enrique Lopez Droguett , Andres Valenzuela , Daniel Benalcazar , Leonardo Causa , Christoph Busch

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

Objective - This study presents a biometric identification method based on topological invariants from 2D iris images, representing iris texture via formally defined digital homology and evaluating classification performance. Methods - Each…

Computer Vision and Pattern Recognition · Computer Science 2025-08-14 Ahmet Öztel , İsmet Karaca

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

This paper proposes a deep feature extractor for iris recognition at arbitrary resolutions. Resolution degradation reduces the recognition performance of deep learning models trained by high-resolution images. Using various-resolution…

Computer Vision and Pattern Recognition · Computer Science 2024-07-15 Yuho Shoji , Yuka Ogino , Takahiro Toizumi , Atsushi Ito

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

This paper proposes an efficient three fold stratified SIFT matching for iris recognition. The objective is to filter wrongly paired conventional SIFT matches. In Strata I, the keypoints from gallery and probe iris images are paired using…

Computer Vision and Pattern Recognition · Computer Science 2013-01-08 Sambit Bakshi , Hunny Mehrotra , Banshidhar Majhi

Iris recognition is widely used in several fields such as mobile phones, financial transactions, identification cards, airport security, international border control, voter registration for living persons. However, the possibility of…

Image and Video Processing · Electrical Eng. & Systems 2024-08-08 Afzal Hossain , Tipu Sultan , Stephanie Schuckers

The security of biometric authentication is increasingly critical as digital identity systems expand. Iris recognition offers high reliability due to its distinctive and stable texture patterns. Recent progress in deep learning, especially…

Computer Vision and Pattern Recognition · Computer Science 2025-12-01 Moh Imam Faiz , Aviv Yuniar Rahman , Rangga Pahlevi Putra

Most iris recognition pipelines involve three stages: segmenting into iris/non-iris pixels, normalization the iris region to a fixed area, and extracting relevant features for comparison. Given recent advances in deep learning it is prudent…

Computer Vision and Pattern Recognition · Computer Science 2019-07-16 Sohaib Ahmad , Benjamin Fuller

With the increasing imaging and processing capabilities of today's mobile devices, user authentication using iris biometrics has become feasible. However, as the acquisition conditions become more unconstrained and as image quality is…

Image and Video Processing · Electrical Eng. & Systems 2018-07-04 Shabab Bazrafkan , Shejin Thavalengal , Peter Corcoran

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

Despite the significant advances in iris segmentation, accomplishing accurate iris segmentation in non-cooperative environment remains a grand challenge. In this paper, we present a deep learning framework, referred to as Iris R-CNN, to…

Computer Vision and Pattern Recognition · Computer Science 2019-03-26 Chunyang Feng , Yufeng Sun , Xin Li

Forensic iris recognition, as opposed to live iris recognition, is an emerging research area that leverages the discriminative power of iris biometrics to aid human examiners in their efforts to identify deceased persons. As a machine…

Computer Vision and Pattern Recognition · Computer Science 2022-08-08 Aidan Boyd , Daniel Moreira , Andrey Kuehlkamp , Kevin Bowyer , Adam Czajka

In recent years, periocular recognition has been developed as a valuable biometric identification approach, especially in wild environments (for example, masked faces due to COVID-19 pandemic) where facial recognition may not be applicable.…

Computer Vision and Pattern Recognition · Computer Science 2021-11-03 Veeru Talreja , Nasser M. Nasrabadi , Matthew C. Valenti

This paper proposes two new open-source iris recognition algorithms, providing both Python and IREX-compliant C++ implementations to be submitted to the official IREX X program. This work has two primary goals: (a) to conduct the first-ever…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Siamul Karim Khan , Patrick J. Flynn , Adam Czajka