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Related papers: Uniqueness of Iris Pattern Based on AR Model

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Biometry has proved its capability in terms of recognition accuracy. Now, it is widely used for automated border control with the biometric passport, to unlock a smartphone or a computer with a fingerprint or a face recognition algorithm.…

Cryptography and Security · Computer Science 2023-12-04 Gaëlle Candel

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

In this paper, we are interested in iris biometric applications. More precisely, our contribution consists in designing both a pupil detection and a tracking procedure from video sequences acquired by low-cost webcams. The novelty of our…

Image and Video Processing · Electrical Eng. & Systems 2020-02-27 Nedra Benletaief , Amel Benazza-Benyahia , Stephane Derrode

The rapid proliferation of unmanned aerial vehicles (UAVs) and their applications in diverse domains, such as surveillance, disaster management, agriculture, and defense, have revolutionized modern technology. While the potential benefits…

Cryptography and Security · Computer Science 2025-12-01 Kanchon Gharami , Shafika Showkat Moni

Digital pathology is a tool of rapidly evolving importance within the discipline of pathology. Whole slide imaging promises numerous advantages; however, adoption is limited by challenges in ease of use and speed of high-quality image…

Graphics · Computer Science 2025-04-24 Ryan Erik Landvater , Ulysses Balis

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

Periocular refers to the facial region in the vicinity of the eye, including eyelids, lashes and eyebrows. While face and irises have been extensively studied, the periocular region has emerged as a promising trait for unconstrained…

Computer Vision and Pattern Recognition · Computer Science 2018-10-09 Fernando Alonso-Fernandez , Josef Bigun

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

Due to the size and nature of intrusion detection datasets, intrusion detection systems (IDS) typically take high computational complexity to examine features of data and identify intrusive patterns. Data preprocessing techniques such as…

Cryptography and Security · Computer Science 2020-09-29 Mubarak Albarka Umar , Chen Zhanfang , Yan Liu

Current research in iris recognition is moving towards enabling more relaxed acquisition conditions. This has effects on the quality of acquired images, with low resolution being a predominant issue. Here, we evaluate a super-resolution…

Computer Vision and Pattern Recognition · Computer Science 2022-10-19 Fernando Alonso-Fernandez , Reuben A. Farrugia , Josef Bigun

It has been reported repeatedly that discriminative learning of distance metric boosts the pattern recognition performance. A weak point of ITML-based methods is that the distance threshold for similarity/dissimilarity constraints must be…

Machine Learning · Computer Science 2018-02-14 Yuya Onuma , Rachelle Rivero , Tsuyoshi Kato

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

Gabor kernels are widely accepted as dominant filters for iris recognition. In this work we investigate, given the current interest in neural networks, if Gabor kernels are the only family of functions performing best in iris recognition,…

Computer Vision and Pattern Recognition · Computer Science 2020-02-24 Aidan Boyd , Adam Czajka , Kevin Bowyer

We propose self-supervised deep algorithms to detect anomalies in heterogeneous autonomous systems using frontal camera video and IMU readings. Given that the video and IMU data are not synchronized, each of them are analyzed separately.…

An iris recognition system is vulnerable to presentation attacks, or PAs, where an adversary presents artifacts such as printed eyes, plastic eyes, or cosmetic contact lenses to circumvent the system. In this work, we propose an effective…

Computer Vision and Pattern Recognition · Computer Science 2020-07-06 Renu Sharma , Arun Ross

Biometric permanence in pediatric populations remains poorly understood despite widespread deployment of iris recognition for children in national identity programs such as India's Aadhaar and trusted traveler programs like Canada's NEXUS.…

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

Learning unbiased models on imbalanced datasets is a significant challenge. Rare classes tend to get a concentrated representation in the classification space which hampers the generalization of learned boundaries to new test examples. In…

Computer Vision and Pattern Recognition · Computer Science 2019-04-11 Salman Khan , Munawar Hayat , Waqas Zamir , Jianbing Shen , Ling Shao

Smartphone-based iris recognition in the visible spectrum (VIS) remains difficult due to illumination variability, pigmentation differences, and the absence of standardized capture controls. This work presents a compact end-to-end pipeline…

Image and Video Processing · Electrical Eng. & Systems 2026-02-23 Naveenkumar G Venkataswamy , Yu Liu , Soumyabrata Dey , Stephanie Schuckers , Masudul H Imtiaz

Iris serves as one of the best biometric modality owing to its complex, unique and stable structure. However, it can still be spoofed using fabricated eyeballs and contact lens. Accurate identification of contact lens is must for reliable…

Computer Vision and Pattern Recognition · Computer Science 2017-10-17 Avantika Singh , Vishesh Mistry , Dhananjay Yadav , Aditya Nigam

Implicit Neural representations (INRs) are widely used for scientific data reduction and visualization by modeling the function that maps a spatial location to a data value. Without any prior knowledge about the spatial distribution of…

Graphics · Computer Science 2024-02-22 Haoyu Li , Han-Wei Shen