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

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Different types of user interfaces differ significantly in the number of elements and how they are displayed. To examine how such differences affect the way users look at UIs, we collected and analyzed a large eye-tracking-based dataset,…

Human-Computer Interaction · Computer Science 2024-02-09 Yue Jiang , Luis A. Leiva , Paul R. B. Houssel , Hamed R. Tavakoli , Julia Kylmälä , Antti Oulasvirta

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…

Computer Vision and Pattern Recognition · Computer Science 2021-05-14 Diego R. Lucio , Rayson Laroca , Luiz A. Zanlorensi , Gladston Moreira , David Menotti

In this paper we present a new database acquired with three different sensors (visible, near infrared and thermal) under different illumination conditions. This database consists of 41 people acquired in four different acquisition sessions,…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Virginia Espinosa-Duró , Marcos Faundez-Zanuy , Jiří Mekyska

Ocular conditions are a global concern and computational tools utilizing retinal fundus color photographs can aid in routine screening and management. Obtaining comprehensive and sufficiently sized datasets, however, is non-trivial for the…

Computer Vision and Pattern Recognition · Computer Science 2024-02-28 P. Bilha Githinji , Keming Zhao , Jiantao Wang , Peiwu Qin

This paper presents the most comprehensive analysis of iris recognition reliability in the occurrence of various biological processes happening naturally and pathologically in the human body, including aging, illnesses, and post-mortem…

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

Current dataset collection methods typically scrape large amounts of data from the web. While this technique is extremely scalable, data collected in this way tends to reinforce stereotypical biases, can contain personally identifiable…

Computer Vision and Pattern Recognition · Computer Science 2025-09-15 Vikram V. Ramaswamy , Sing Yu Lin , Dora Zhao , Aaron B. Adcock , Laurens van der Maaten , Deepti Ghadiyaram , Olga Russakovsky

The progress of composed image retrieval (CIR), a popular research direction in image retrieval, where a combined visual and textual query is used, is held back by the absence of high-quality training and evaluation data. We introduce a new…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Bill Psomas , George Retsinas , Nikos Efthymiadis , Panagiotis Filntisis , Yannis Avrithis , Petros Maragos , Ondrej Chum , Giorgos Tolias

We first, introduce a deep learning based framework named as DeepIrisNet2 for visible spectrum and NIR Iris representation. The framework can work without classical iris normalization step or very accurate iris segmentation; allowing to…

Computer Vision and Pattern Recognition · Computer Science 2019-02-15 Abhishek Gangwar , Akanksha Joshi , Padmaja Joshi , R. Raghavendra

Iris recognition systems are vulnerable to the presentation attacks, such as textured contact lenses or printed images. In this paper, we propose a lightweight framework to detect iris presentation attacks by extracting multiple…

Computer Vision and Pattern Recognition · Computer Science 2020-11-04 Meiling Fang , Naser Damer , Florian Kirchbuchner , Arjan Kuijper

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 rise of handy smart phones in the recent years, the trend of capturing selfie images is observed. Hence efficient approaches are required to be developed for recognising faces in selfie images. Due to the short distance between the…

Computer Vision and Pattern Recognition · Computer Science 2023-02-15 Laxman Kumarapu , Shiv Ram Dubey , Snehasis Mukherjee , Parkhi Mohan , Sree Pragna Vinnakoti , Subhash Karthikeya

Cross-spectral iris recognition is emerging as a promising biometric approach to authenticating the identity of individuals. However, matching iris images acquired at different spectral bands shows significant performance degradation when…

Computer Vision and Pattern Recognition · Computer Science 2020-10-23 Moktari Mostofa , Fariborz Taherkhani , Jeremy Dawson , Nasser M. Nasrabadi

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,…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Matthew So , Judah Goldfeder , Mark Lis , Hod Lipson

Interface Region Imaging Spectrograph (IRIS) bursts are localised features thought to be driven by magnetic reconnection. Although these events are well-studied, it remains unknown whether their properties vary as their host active regions…

Solar and Stellar Astrophysics · Physics 2022-10-12 C. J. Nelson , L. Kleint

Aerial image scene classification is a fundamental problem for understanding high-resolution remote sensing images and has become an active research task in the field of remote sensing due to its important role in a wide range of…

Computer Vision and Pattern Recognition · Computer Science 2018-06-05 Pu Jin , Gui-Song Xia , Fan Hu , Qikai Lu , Liangpei Zhang

Blind iris images, which result from unknown degradation during the process of iris recognition at long distances, often lead to decreased iris recognition rates. Currently, little existing literature offers a solution to this problem. In…

Computer Vision and Pattern Recognition · Computer Science 2024-08-02 Qi Xiong , Xinman Zhang , Jun Shen

Transparent objects are encountered frequently in our daily lives, yet recognizing them poses challenges for conventional vision sensors due to their unique material properties, not being well perceived from RGB or depth cameras. Overcoming…

Computer Vision and Pattern Recognition · Computer Science 2023-11-13 Jeongyun Kim , Myung-Hwan Jeon , Sangwoo Jung , Wooseong Yang , Minwoo Jung , Jaeho Shin , Ayoung Kim

Smartphone-based iris recognition in the visible spectrum (VIS) offers a low-cost and accessible biometric alternative but remains a challenge due to lighting variability, pigmentation effects, and the limited adoption of standardized…

Image and Video Processing · Electrical Eng. & Systems 2025-12-18 Naveenkumar G. Venkataswamy , Yu Liu , Soumyabrata Dey , Stephanie Schuckers , Masudul H. Imtiaz

This work introduces ILIAS, a new test dataset for Instance-Level Image retrieval At Scale. It is designed to evaluate the ability of current and future foundation models and retrieval techniques to recognize particular objects. The key…

Research in presentation attack detection (PAD) for iris recognition has largely moved beyond evaluation in "closed-set" scenarios, to emphasize ability to generalize to presentation attack types not present in the training data. This paper…

Computer Vision and Pattern Recognition · Computer Science 2022-08-24 Aidan Boyd , Jeremy Speth , Lucas Parzianello , Kevin Bowyer , Adam Czajka