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Soft biometric modalities have shown their utility in different applications including reducing the search space significantly. This leads to improved recognition performance, reduced computation time, and faster processing of test samples.…

Computer Vision and Pattern Recognition · Computer Science 2017-10-10 Maneet Singh , Shruti Nagpal , Mayank Vatsa , Richa Singh , Afzel Noore , Angshul Majumdar

Protecting a fingerprint database against attackers is very vital in order to protect against false acceptance rate or false rejection rate. A key property in distinguishing fingerprint images is by exploiting the characteristics of these…

Computer Vision and Pattern Recognition · Computer Science 2022-01-10 Aamo Iorliam , Orgem Emmanuel , Yahaya I. Shehu

Person re-identification (re-ID) aims at matching images of the same person across camera views. Due to varying distances between cameras and persons of interest, resolution mismatch can be expected, which would degrade re-ID performance in…

Computer Vision and Pattern Recognition · Computer Science 2020-10-26 Yu-Jhe Li , Yun-Chun Chen , Yen-Yu Lin , Yu-Chiang Frank Wang

Unsupervised person re-identification (ReID) aims at learning discriminative identity features without annotations. Recently, self-supervised contrastive learning has gained increasing attention for its effectiveness in unsupervised…

Computer Vision and Pattern Recognition · Computer Science 2021-08-19 Hao Chen , Benoit Lagadec , Francois Bremond

Biometrics involves using unique human traits, both physical and behavioral, for the digital identification of individuals to provide access to systems, devices, or information. Within the field of computer science, it acts as a method for…

Cryptography and Security · Computer Science 2024-04-29 Sajjad Bhuiyan

This paper discusses some topics related to the latest trends in the field of evolutionary approaches to iris recognition. It presents the results of an exploratory experimental simulation whose goal was to analyze the possibility of…

Computer Vision and Pattern Recognition · Computer Science 2011-06-21 Nicolaie Popescu-Bodorin , Valentina E. Balas

Recently, iris recognition is regaining prominence in immersive applications such as extended reality as a means of seamless user identification. This application scenario introduces unique challenges compared to traditional iris…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Yuxi Mi , Qiuyang Yuan , Zhizhou Zhong , Xuan Zhao , Jiaogen Zhou , Fubao Zhu , Jihong Guan , Shuigeng Zhou

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

Recent learning-based approaches have made astonishing advances in calibrated medical imaging like computerized tomography (CT), yet they struggle to generalize in uncalibrated modalities -- notably magnetic resonance (MR) imaging, where…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Peirong Liu , Oula Puonti , Xiaoling Hu , Daniel C. Alexander , Juan E. Iglesias

The problem of cross-modality person re-identification has been receiving increasing attention recently, due to its practical significance. Motivated by the fact that human usually attend to the difference when they compare two similar…

Computer Vision and Pattern Recognition · Computer Science 2021-12-02 Shizhou Zhang , Yifei Yang , Peng Wang , Guoqiang Liang , Xiuwei Zhang , Yanning Zhang

A new approach in iris recognition based on Circular Fuzzy Iris Segmentation (CFIS) and Gabor Analytic Iris Texture Binary Encoder (GAITBE) is proposed and tested here. CFIS procedure is designed to guarantee that similar iris segments will…

Computer Vision and Pattern Recognition · Computer Science 2011-07-15 Nicolaie Popescu-Bodorin

We address the problem of visible-infrared person re-identification (VI-reID), that is, retrieving a set of person images, captured by visible or infrared cameras, in a cross-modal setting. Two main challenges in VI-reID are intra-class…

Computer Vision and Pattern Recognition · Computer Science 2021-08-18 Hyunjong Park , Sanghoon Lee , Junghyup Lee , Bumsub Ham

Iris Recognition (IR) is one of the market's most reliable and accurate biometric systems. Today, it is challenging to build NIR-capturing devices under the premise of hardware price reduction. Commercial NIR sensors are protected from…

Computer Vision and Pattern Recognition · Computer Science 2022-10-25 Daniel P. Benalcazar , Juan E. Tapia , Mauricio Vasquez , Leonardo Causa , Enrique Lopez Droguett , Christoph Busch

The Iris pattern is a unique biological feature for each individual, making it a valuable and powerful tool for human identification. In this paper, an efficient framework for iris recognition is proposed in four steps. (1) Iris…

Computer Vision and Pattern Recognition · Computer Science 2020-09-15 Abolfazl Zargari Khuzani , Najmeh Mashhadi , Morteza Heidari , Donya Khaledyan

One of the open issues in fingerprint verification is the lack of robustness against image-quality degradation. Poor-quality images result in spurious and missing features, thus degrading the performance of the overall system. Therefore, it…

Computer Vision and Pattern Recognition · Computer Science 2021-11-16 Fernando Alonso-Fernandez , Julian Fierrez , Javier Ortega-Garcia , Joaquin Gonzalez-Rodriguez , Hartwig Fronthaler , Klaus Kollreider , Josef Bigun

This paper assumes the hypothesis that human learning is perception based, and consequently, the learning process and perceptions should not be represented and investigated independently or modeled in different simulation spaces. In order…

Artificial Intelligence · Computer Science 2012-09-28 Cristina M. Noaica , Robert Badea , Iulia M. Motoc , Claudiu G. Ghica , Alin C. Rosoiu , Nicolaie Popescu-Bodorin

Fingerprint recognition stands as a pivotal component of biometric technology, with diverse applications from identity verification to advanced search tools. In this paper, we propose a unique method for deriving robust fingerprint…

Computer Vision and Pattern Recognition · Computer Science 2025-05-23 Ekta Gavas , Kaustubh Olpadkar , Anoop Namboodiri

Iris recognition has drawn a lot of attention since the mid-twentieth century. Among all biometric features, iris is known to possess a rich set of features. Different features have been used to perform iris recognition in the past. In this…

Computer Vision and Pattern Recognition · Computer Science 2015-07-09 Shervin Minaee , AmirAli Abdolrashidi , Yao Wang

Iris recognition has emerged as one of the most accurate and convenient biometric for the human identification and has been increasingly employed in a wide range of e-security applications. The quality of iris images acquired at-a-distance…

Computer Vision and Pattern Recognition · Computer Science 2020-01-07 Kuo Wang , Ajay Kumar

Face recognition systems (FRS) exhibit significant accuracy differences based on the user's gender. Since such a gender gap reduces the trustworthiness of FRS, more recent efforts have tried to find the causes. However, these studies make…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Paul Jonas Kurz , Haiyu Wu , Kevin W. Bowyer , Philipp Terhörst