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Biometric systems based on iris recognition are currently being used in border control applications and mobile devices. However, research in iris recognition is stymied by various factors such as limited datasets of bonafide irides and…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Shivangi Yadav , Arun Ross

Radio Frequency Fingerprinting (RFF) using deep learning has gained attention as a complementary approach to cryptographic authentication, offering resistance to spoofing, replay attacks, and key leakage. While most RFF approaches rely on…

Signal Processing · Electrical Eng. & Systems 2026-05-18 Fawaz Abdul Razak , Yasin Yilmaz

The temporal stability of iris recognition performance is core to its success as a biometric modality. With the expanding horizon of applications for children, gaps in the knowledge base on the temporal stability of iris recognition…

Computer Vision and Pattern Recognition · Computer Science 2023-03-23 Priyanka Das , Naveen G Venkataswamy , Laura Holsopple , Masudul H Imtiaz , Michael Schuckers , Stephanie Schuckers

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…

Computer Vision and Pattern Recognition · Computer Science 2022-12-27 Daniel P. Benalcazar , David A. Benalcazar , Andres Valenzuela

Cross-depiction is the problem of identifying the same object even when it is depicted in a variety of manners. This is a common problem in handwritten historical documents image analysis, for instance when the same letter or motif is…

Computer Vision and Pattern Recognition · Computer Science 2018-12-10 Vinaychandran Pondenkandath , Michele Alberti , Nicole Eichenberger , Rolf Ingold , Marcus Liwicki

Iris-based identification systems are among the most popular approaches for person identification. Such systems require good-quality segmentation modules that ideally identify the regions for different eye components. This paper introduces…

Computer Vision and Pattern Recognition · Computer Science 2022-10-03 Wiktor Lazarski , Maciej Zieba , Tanguy Jeanneau , Tobias Zillig , Christian Brendel

This papers introduces a new family of iris encoders which use 2-dimensional Haar Wavelet Transform for noise attenuation, and Hilbert Transform to encode the iris texture. In order to prove the usefulness of the newly proposed iris…

Computer Vision and Pattern Recognition · Computer Science 2011-06-14 Nicolaie Popescu-Bodorin , Valentina E. Balas

Iris segmentation is a deterministic part of the iris recognition system. Unreliable segmentation of iris regions especially the limbic area is still the bottleneck problem, which impedes more accurate recognition. To make further efforts…

Computer Vision and Pattern Recognition · Computer Science 2021-11-19 Jianze Wei , Huaibo Huang , Muyi Sun , Yunlong Wang , Min Ren , Ran He , Zhenan Sun

Altered fingerprint recognition (AFR) is challenging for biometric verification in applications such as border control, forensics, and fiscal admission. Adversaries can deliberately modify ridge patterns to evade detection, so robust…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Dana A Abdullah , Dana Rasul Hamad , Bishar Rasheed Ibrahim , Sirwan Abdulwahid Aula , Aso Khaleel Ameen , Sabat Salih Hamadamin

Biometric recognition, or simply biometrics, is the use of biological attributes such as face, fingerprints or iris in order to recognize an individual in an automated manner. A key application of biometrics is authentication; i.e., using…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-10-26 Veeru Talreja , Terry Ferrett , Matthew C. Valenti , Arun Ross

Contactless fingerprint recognition offers a higher level of user comfort and addresses hygiene concerns more effectively. However, it is also more vulnerable to presentation attacks such as photo paper, paper-printout, and various display…

Computer Vision and Pattern Recognition · Computer Science 2023-11-08 Banafsheh Adami , Nima Karimian

Fingerprint recognition systems have been deployed globally in numerous applications including personal devices, forensics, law enforcement, banking, and national identity systems. For these systems to be socially acceptable and…

Computer Vision and Pattern Recognition · Computer Science 2022-05-20 Akash Godbole , Steven A. Grosz , Karthik Nandakumar , Anil K. Jain

Recent research has explored the possibility of automatically deducing information such as gender, age and race of an individual from their biometric data. While the face modality has been extensively studied in this regard, the iris…

Computer Vision and Pattern Recognition · Computer Science 2019-01-21 Denton Bobeldyk , Arun Ross

Multi-modal face anti-spoofing (FAS) aims to detect genuine human presence by extracting discriminative liveness cues from multiple modalities, such as RGB, infrared (IR), and depth images, to enhance the robustness of biometric…

Computer Vision and Pattern Recognition · Computer Science 2025-07-09 Jun-Xiong Chong , Fang-Yu Hsu , Ming-Tsung Hsu , Yi-Ting Lin , Kai-Heng Chien , Chiou-Ting Hsu , Pei-Kai Huang

This paper advances the state of the art in human examination of iris images by (1) assessing the impact of different iris conditions in identity verification, and (2) introducing an annotation step that improves the accuracy of people's…

Computer Vision and Pattern Recognition · Computer Science 2018-11-21 Daniel Moreira , Mateusz Trokielewicz , Adam Czajka , Kevin W. Bowyer , Patrick J. Flynn

Databases play an important role in cyber world. It provides authenticity across the globe to the legitimate user. Biometrics is another important tool which recognizes humans using their physical statistics. Biometrics system requires…

Computer Science and Game Theory · Computer Science 2012-07-13 Adnan Alam Khan , Safeeullah Soomro , Irfan Hyder

Current mobile user authentication systems based on PIN codes, fingerprint, and face recognition have several shortcomings. Such limitations have been addressed in the literature by exploring the feasibility of passive authentication on…

Computer Vision and Pattern Recognition · Computer Science 2022-03-15 Giuseppe Stragapede , Ruben Vera-Rodriguez , Ruben Tolosana , Aythami Morales , Alejandro Acien , Gael Le Lan

Infrared Small Target Detection (IRSTD) faces significant challenges due to low signal-to-noise ratios, complex backgrounds, and the absence of discernible target features. While deep learning-based encoder-decoder frameworks have advanced…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Xuelin Qian , Jiaming Lu , Zixuan Wang , Wenxuan Wang , Zhongling Huang , Dingwen Zhang , Junwei Han

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

Face anti-spoofing (FAS) plays a vital role in securing the face recognition systems from presentation attacks. Most existing FAS methods capture various cues (e.g., texture, depth and reflection) to distinguish the live faces from the…

Computer Vision and Pattern Recognition · Computer Science 2020-07-07 Zitong Yu , Xiaobai Li , Xuesong Niu , Jingang Shi , Guoying Zhao