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The iris can be considered as one of the most important biometric traits due to its high degree of uniqueness. Iris-based biometrics applications depend mainly on the iris segmentation whose suitability is not robust for different…

计算机视觉与模式识别 · 计算机科学 2019-01-21 Cides S. Bezerra , Rayson Laroca , Diego R. Lucio , Evair Severo , Lucas F. Oliveira , Alceu S. Britto , David Menotti

Despite the rise of deep learning in numerous areas of computer vision and image processing, iris recognition has not benefited considerably from these trends so far. Most of the existing research on deep iris recognition is focused on new…

计算机视觉与模式识别 · 计算机科学 2020-05-12 Juš Lozej , Dejan Štepec , Vitomir Štruc , Peter Peer

The use of the iris as a biometric identifier has increased dramatically over the last 30 years, prompting privacy and security concerns about the use of iris images in research. It can be difficult to acquire iris image databases due to…

计算机视觉与模式识别 · 计算机科学 2025-03-18 Jingxuan Zhang , Robert J. Hart , Ziqian Bi , Shiaofen Fang , Susan Walsh

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…

计算机视觉与模式识别 · 计算机科学 2018-09-17 Mateusz Trokielewicz , Adam Czajka , Piotr Maciejewicz

Among many biometrics such as face, iris, fingerprint and others, periocular region has the advantages over other biometrics because it is non-intrusive and serves as a balance between iris or eye region (very stringent, small area) and the…

计算机视觉与模式识别 · 计算机科学 2018-12-05 S. S. Behera , Bappaditya Mandal , N. B. Puhan

In this work, we design a fully complex-valued neural network for the task of iris recognition. Unlike the problem of general object recognition, where real-valued neural networks can be used to extract pertinent features, iris recognition…

计算机视觉与模式识别 · 计算机科学 2022-02-17 Kien Nguyen , Clinton Fookes , Sridha Sridharan , Arun Ross

There has been a historic assumption that the biometrics of an individual are statistically uncorrelated. We test this assumption by training Bi-Encoder networks on three verification tasks, including fingerprint-to-fingerprint matching,…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Matthew So , Judah Goldfeder , Mark Lis , Hod Lipson

This paper delivers a new database of iris images collected in visible light using a mobile phone's camera and presents results of experiments involving existing commercial and open-source iris recognition methods, namely: IriCore, VeriEye,…

计算机视觉与模式识别 · 计算机科学 2018-09-05 Mateusz Trokielewicz

In this research work, we address the problem of robust iris centre localisation in unconstrained conditions as a core component of our eye-gaze tracking platform. We investigate the application of U-Net variants for segmentation-based and…

计算机视觉与模式识别 · 计算机科学 2024-11-08 Nipun Sandamal Ranasekara Pathiranage , Stefania Cristina , Kenneth P. Camilleri

As the popularity of iris recognition systems increases, the importance of effective security measures against presentation attacks becomes paramount. This work presents an overview of the most important advances in the area of iris…

计算机视觉与模式识别 · 计算机科学 2020-07-20 Aidan Boyd , Zhaoyuan Fang , Adam Czajka , Kevin W. Bowyer

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…

计算机视觉与模式识别 · 计算机科学 2023-02-28 Jawad Muhammad , Yunlong Wang , Junxing Hu , Kunbo Zhang , Zhenan Sun

This paper presents a study devoted to recognizing horses by means of their iris and periocular features using deep convolutional neural networks (DCNNs). Identification of race horses is crucial for animal identity confirmation prior to…

计算机视觉与模式识别 · 计算机科学 2018-09-05 Mateusz Trokielewicz , Mateusz Szadkowski

In this work, we propose to detect the iris and periocular regions simultaneously using coarse annotations and two well-known object detectors: YOLOv2 and Faster R-CNN. We believe coarse annotations can be used in recognition systems based…

计算机视觉与模式识别 · 计算机科学 2021-05-14 Diego R. Lucio , Rayson Laroca , Luiz A. Zanlorensi , Gladston Moreira , David Menotti

LiDAR based place recognition is popular for loop closure detection and re-localization. In recent years, deep learning brings improvements to place recognition by learnable feature extraction. However, these methods degenerate when the…

计算机视觉与模式识别 · 计算机科学 2022-10-21 Sha Lu , Xuecheng Xu , Li Tang , Rong Xiong , Yue Wang

Iris texture is widely regarded as a gold standard biometric modality for authentication and identification. The demand for robust iris recognition methods, coupled with growing security and privacy concerns regarding iris attacks, has…

计算机视觉与模式识别 · 计算机科学 2025-04-15 Mengdi Wang , Efe Bozkir , Enkelejda Kasneci

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…

计算机视觉与模式识别 · 计算机科学 2019-05-10 Joseph McGrath , Kevin W. Bowyer , Adam Czajka

Iris-based biometric identification is increasingly recognized for its significant accuracy and long-term stability compared to other biometric modalities such as fingerprints or facial features. However, all biometric modalities are highly…

密码学与安全 · 计算机科学 2026-03-31 Christina Karakosta , Lian Alhedaithy , William J. Knottenbelt

Most gender classifications methods from NIR images have used iris information. Recent work has explored the use of the whole periocular iris region which has surprisingly achieve better results. This suggests the most relevant information…

计算机视觉与模式识别 · 计算机科学 2019-04-30 Ignacio Viedma , Juan Tapia , Andres Iturriaga , Christoph Busch

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…

图像与视频处理 · 电气工程与系统科学 2024-12-18 Naveenkumar G Venkataswamy , Yu Liu , Surendra Singh , Soumyabrata Dey , Stephanie Schuckers , Masudul H Imtiaz

Iris recognition is widely recognized as one of the most accurate biometric modalities. However, its growing deployment in real-world applications raises significant concerns regarding its vulnerability to Presentation Attacks (PAs).…

计算机视觉与模式识别 · 计算机科学 2025-12-09 Raghavendra Ramachandra , Sushma Venkatesh