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Computationally efficient, accurate, and privacy-preserving data storage and retrieval are among the key challenges faced by practical deployments of biometric identification systems worldwide. In this work, a method of protected indexing…

计算机视觉与模式识别 · 计算机科学 2021-07-28 Pawel Drozdowski , Fabian Stockhardt , Christian Rathgeb , Dailé Osorio-Roig , Christoph Busch

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,…

计算机视觉与模式识别 · 计算机科学 2018-10-17 Evair Severo , Rayson Laroca , Cides S. Bezerra , Luiz A. Zanlorensi , Daniel Weingaertner , Gladston Moreira , David Menotti

The lack of resolution has a negative impact on the performance of image-based biometrics. While many generic super-resolution methods have been proposed to restore low-resolution images, they usually aim to enhance their visual appearance.…

计算机视觉与模式识别 · 计算机科学 2022-03-29 F. Alonso-Fernandez , R. A. Farrugia , J. Bigun , J. Fierrez , E. Gonzalez-Sosa

Iris recognition technology has attracted an increasing interest in the last decades in which we have witnessed a migration from research laboratories to real world applications. The deployment of this technology raises questions about the…

计算机视觉与模式识别 · 计算机科学 2021-11-25 Aythami Morales , Julian Fierrez , Javier Galbally , Marta Gomez-Barrero

Understanding plant root systems is critical for advancing research in soil-plant interactions, nutrient uptake, and overall plant health. However, accurate imaging of roots in subterranean environments remains a persistent challenge due to…

计算机视觉与模式识别 · 计算机科学 2026-01-12 Shubham Agarwal , Ofek Nourian , Michael Sidorov , Sharon Chemweno , Ofer Hadar , Naftali Lazarovitch , Jhonathan E. Ephrath

The boosting on the need of security notably increased the amount of possible facial recognition applications, especially due to the success of the Internet of Things (IoT) paradigm. However, although handcrafted and deep learning-inspired…

计算机视觉与模式识别 · 计算机科学 2019-12-02 Giulia Orrù , Gian Luca Marcialis , Fabio Roli

Biometric technologies are the foundation of personal identification systems. It provides an identification based on a unique feature possessed by the individual. This paper provides a walkthrough for image acquisition, segmentation,…

计算机视觉与模式识别 · 计算机科学 2011-11-23 S. Nithyanandam , K. S. Gayathri , P. L. K. Priyadarshini

Post-mortem iris recognition is an emerging application of iris-based human identification in a forensic setup. One factor that may be useful in conditioning iris recognition methods is the tissue decomposition level, which is correlated…

计算机视觉与模式识别 · 计算机科学 2024-11-14 Rasel Ahmed Bhuiyan , Adam Czajka

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

Recently, correlation filters have demonstrated the excellent performance in visual tracking. However, the base training sample region is larger than the object region,including the Interference Region(IR). The IRs in training samples from…

计算机视觉与模式识别 · 计算机科学 2018-03-26 Nana Fan , Zhenyu He

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…

计算机视觉与模式识别 · 计算机科学 2020-10-23 Moktari Mostofa , Fariborz Taherkhani , Jeremy Dawson , Nasser M. Nasrabadi

This paper presents the experimental study revealing weaker performance of the automatic iris recognition methods for cataract-affected eyes when compared to healthy eyes. There is little research on the topic, mostly incorporating scarce…

计算机视觉与模式识别 · 计算机科学 2018-09-05 Mateusz Trokielewicz , Adam Czajka , Piotr Maciejewicz

Foundation models are becoming increasingly popular due to their strong generalization capabilities resulting from being trained on huge datasets. These generalization capabilities are attractive in areas such as NIR Iris Presentation…

计算机视觉与模式识别 · 计算机科学 2025-01-14 Juan E. Tapia , Lázaro Janier González-Soler , Christoph Busch

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…

计算机视觉与模式识别 · 计算机科学 2025-12-01 Moh Imam Faiz , Aviv Yuniar Rahman , Rangga Pahlevi Putra

Self-supervised learning is emerging in fine-grained visual recognition with promising results. However, existing self-supervised learning methods are often susceptible to irrelevant patterns in self-supervised tasks and lack the capability…

计算机视觉与模式识别 · 计算机科学 2024-12-03 ShuaiHeng Li , Qing Cai , Fan Zhang , Menghuan Zhang , Yangyang Shu , Zhi Liu , Huafeng Li , Lingqiao Liu

Images and structured tables are essential parts of real-world databases. Though tabular-image representation learning is promising to create new insights, it remains a challenging task, as tabular data is typically heterogeneous and…

计算机视觉与模式识别 · 计算机科学 2024-07-11 Siyi Du , Shaoming Zheng , Yinsong Wang , Wenjia Bai , Declan P. O'Regan , Chen Qin

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

With the wide application of biometrics, more and more attention has been paid to the security of biometric templates. However most of existing biometric template protection (BTP) methods have some security problems, e.g. the problem that…

密码学与安全 · 计算机科学 2024-08-08 Baogang Song , Dongdong Zhao , Jiang Yan , Huanhuan Li , Hao Jiang

This paper proposes the first known to us iris recognition methodology designed specifically for post-mortem samples. We propose to use deep learning-based iris segmentation models to extract highly irregular iris texture areas in…

计算机视觉与模式识别 · 计算机科学 2019-10-09 Mateusz Trokielewicz , Adam Czajka , Piotr Maciejewicz

Biometrics is the science of identifying an individual based on their intrinsic anatomical or behavioural characteristics, such as fingerprints, face, iris, gait, and voice. Iris recognition is one of the most successful methods because it…

计算机视觉与模式识别 · 计算机科学 2022-12-27 Daniel P. Benalcazar , David A. Benalcazar , Andres Valenzuela