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Massive biometric deployments are pervasive in today's world. But despite the high accuracy of biometric systems, their computational efficiency degrades drastically with an increase in the database size. Thus, it is essential to index…

Computer Vision and Pattern Recognition · Computer Science 2020-12-08 Avantika Singh , Chirag Vashist , Pratyush Gaurav , Aditya Nigam , Rameshwar Pratap

Deep learning techniques have successfully been employed in numerous computer vision tasks including image segmentation. The techniques have also been applied to medical image segmentation, one of the most critical tasks in computer-aided…

Computer Vision and Pattern Recognition · Computer Science 2020-06-30 Titinunt Kitrungrotsakul , Iwamoto Yutaro , Lanfen Lin , Ruofeng Tong , Jingsong Li , Yen-Wei Chen

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

For complex segmentation tasks, fully automatic systems are inherently limited in their achievable accuracy for extracting relevant objects. Especially in cases where only few data sets need to be processed for a highly accurate result,…

Computer Vision and Pattern Recognition · Computer Science 2017-09-12 Mario Amrehn , Sven Gaube , Mathias Unberath , Frank Schebesch , Tim Horz , Maddalena Strumia , Stefan Steidl , Markus Kowarschik , Andreas Maier

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

In this paper, we seek a new method in designing an iris recognition system. In this method, first the Haar wavelet features are extracted from iris images. The advantage of using these features is the high-speed extraction, as well as…

Computer Vision and Pattern Recognition · Computer Science 2023-09-08 Farahnaz Hosseini , Hossein Ebrahimpour , Samaneh Askari

Several recent works have addressed the ability of deep learning to disclose rich, hierarchical and discriminative models for the most diverse purposes. Specifically in the super-resolution field, Convolutional Neural Networks (CNNs) using…

Computer Vision and Pattern Recognition · Computer Science 2022-10-21 Eduardo Ribeiro , Andreas Uhl , Fernando Alonso-Fernandez

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

Iris recognition of living individuals is a mature biometric modality that has been adopted globally from governmental ID programs, border crossing, voter registration and de-duplication, to unlocking mobile phones. On the other hand, the…

Computer Vision and Pattern Recognition · Computer Science 2022-01-02 Andrey Kuehlkamp , Aidan Boyd , Adam Czajka , Kevin Bowyer , Patrick Flynn , Dennis Chute , Eric Benjamin

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 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

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

Fashion style classification is a challenging task because of the large visual variation within the same style and the existence of visually similar styles. Styles are expressed not only by the global appearance, but also by the attributes…

Computer Vision and Pattern Recognition · Computer Science 2025-12-24 Jinyoung Choi , Youngchae Kwon , Injung Kim

Conventional feature-based and model-based gaze estimation methods have proven to perform well in settings with controlled illumination and specialized cameras. In unconstrained real-world settings, however, such methods are surpassed by…

Computer Vision and Pattern Recognition · Computer Science 2018-05-15 Seonwook Park , Xucong Zhang , Andreas Bulling , Otmar Hilliges

Despite the promise of recent deep neural networks in the iris recognition setting, there are vital properties of the classic IrisCode which are almost unable to be achieved with current deep iris networks: the compactness of model and the…

Computer Vision and Pattern Recognition · Computer Science 2023-05-04 Kien Nguyen , Clinton Fookes , Sridha Sridharan

Iris segmentation and localization in unconstrained environments is challenging due to long distances, illumination variations, limited user cooperation, and moving subjects. To address this problem, we present a U-Net with a pre-trained…

Computer Vision and Pattern Recognition · Computer Science 2021-12-13 Jalil Nourmohammadi Khiarak , Samaneh Salehi Nasab , Farhang Jaryani , Seyed Naeim Moafinejad , Rana Pourmohamad , Yasin Amini , Morteza Noshad

Iris Recognition Systems are ocular- based biometric devices used primarily for security reasons. The complexity and the randomness of the Iris, amongst various other factors, ensure that this biometric system is inarguably an exact and…

Computer Vision and Pattern Recognition · Computer Science 2014-10-28 Abhimanyu Sarin , Dr. Jagadish Nayak

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

We propose a novel convolutional neural network to verify a~match between two normalized images of the human iris. The network is trained end-to-end and validated on three publicly available datasets yielding state-of-the-art results…

Computer Vision and Pattern Recognition · Computer Science 2019-09-18 Radim Spetlik , Ivan Razumenic

An iris presentation attack detection (IPAD) is essential for securing personal identity is widely used iris recognition systems. However, the existing IPAD algorithms do not generalize well to unseen and cross-domain scenarios because of…

Computer Vision and Pattern Recognition · Computer Science 2021-11-02 Gaurav Jaswal , Aman Verma , Sumantra Dutta Roy , Raghavendra Ramachandra