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Vision foundation models have demonstrated strong transferability across diverse visual recognition tasks and are increasingly considered for biometric applications. Their suitability for iris Presentation Attack Detection (PAD),…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Rahul Anand , Siddharth Singh , Dileep A D , Mahadeva Prasanna , Raghavendra Ramachandra

Blind iris images, which result from unknown degradation during the process of iris recognition at long distances, often lead to decreased iris recognition rates. Currently, little existing literature offers a solution to this problem. In…

Computer Vision and Pattern Recognition · Computer Science 2024-08-02 Qi Xiong , Xinman Zhang , Jun Shen

Phishing, a continuously growing cyber threat, aims to obtain innocent users' credentials by deceiving them via presenting fake web pages which mimic their legitimate targets. To date, various attempts have been carried out in order to…

Cryptography and Security · Computer Science 2019-05-21 Firat Coskun Dalgic , Ahmet Selman Bozkir , Murat Aydos

Periocular recognition has gained attention recently due to demands of increased robustness of face or iris in less controlled scenarios. We present a new system for eye detection based on complex symmetry filters, which has the advantage…

Computer Vision and Pattern Recognition · Computer Science 2022-11-11 Fernando Alonso-Fernandez , Josef Bigun

Among many biometrics such as face, iris, fingerprint and others, periocular region has the advantages over other biometrics because it is non-intrusive and serves as a balance between iris or eye region (very stringent, small area) and the…

Computer Vision and Pattern Recognition · Computer Science 2018-12-05 S. S. Behera , Bappaditya Mandal , N. B. Puhan

In this work, we introduce iviz, a mobile application for visualizing ROS data. In the last few years, the popularity of ROS has grown enormously, making it the standard platform for open source robotic programming. A key reason for this…

Robotics · Computer Science 2020-08-31 Antonio Zea , Uwe D. Hanebeck

We present sensitivity estimates for point and resolved astronomical sources for the current design of the InfraRed Imaging Spectrograph (IRIS) on the future Thirty Meter Telescope (TMT). IRIS, with TMT's adaptive optics system, will…

Instrumentation and Methods for Astrophysics · Physics 2015-05-19 Shelley A. Wright , Elizabeth J. Barton , James E. Larkin , Anna M. Moore , David Crampton , Luc Simard , IRIS team

One of the major challenges in ocular biometrics is the cross-spectral scenario, i.e., how to match images acquired in different wavelengths (typically visible (VIS) against near-infrared (NIR)). This article designs and extensively…

Computer Vision and Pattern Recognition · Computer Science 2019-11-22 Luiz A. Zanlorensi , Diego R. Lucio , Alceu S. Britto , Hugo Proença , David Menotti

The progress of composed image retrieval (CIR), a popular research direction in image retrieval, where a combined visual and textual query is used, is held back by the absence of high-quality training and evaluation data. We introduce a new…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Bill Psomas , George Retsinas , Nikos Efthymiadis , Panagiotis Filntisis , Yannis Avrithis , Petros Maragos , Ondrej Chum , Giorgos Tolias

In this work, we propose to detect the iris and periocular regions simultaneously using coarse annotations and two well-known object detectors: YOLOv2 and Faster R-CNN. We believe coarse annotations can be used in recognition systems based…

Computer Vision and Pattern Recognition · Computer Science 2021-05-14 Diego R. Lucio , Rayson Laroca , Luiz A. Zanlorensi , Gladston Moreira , David Menotti

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…

Computer Vision and Pattern Recognition · Computer Science 2025-12-01 Moh Imam Faiz , Aviv Yuniar Rahman , Rangga Pahlevi Putra

Iris is an established modality in biometric recognition applications including consumer electronics, e-commerce, border security, forensics, and de-duplication of identity at a national scale. In light of the expanding usage of biometric…

Computer Vision and Pattern Recognition · Computer Science 2023-03-24 Priyanka Das , Richard Plesh , Veeru Talreja , Natalia Schmid , Matthew Valenti , Joseph Skufca , Stephanie Schuckers

Image restoration is an important and challenging task in computer vision. Reverting a filtered image to its original image is helpful in various computer vision tasks. We employ a nonlinear activation function free network (NAFNet) for a…

Computer Vision and Pattern Recognition · Computer Science 2022-08-31 Woon-Ha Yeo , Wang-Taek Oh , Kyung-Su Kang , Young-Il Kim , Han-Cheol Ryu

The IEEE Low-Power Image Recognition Challenge (LPIRC) is an annual competition started in 2015 that encourages joint hardware and software solutions for computer vision systems with low latency and power. Track 1 of the competition in 2018…

Computer Vision and Pattern Recognition · Computer Science 2019-03-19 Chen Feng , Tao Sheng , Zhiyu Liang , Shaojie Zhuo , Xiaopeng Zhang , Liang Shen , Matthew Ardi , Alexander C. Berg , Yiran Chen , Bo Chen , Kent Gauen , Yung-Hsiang Lu

Selfie soft biometrics has great potential for various applications ranging from marketing, security and online banking. However, it faces many challenges since there is limited control in data acquisition conditions. This chapter presents…

Computer Vision and Pattern Recognition · Computer Science 2019-01-01 Juan Tapia , Claudia Arellano , Ignacio Viedma

We report the application of machine learning to smartphone based colorimetric detection of pH values. The strip images were used as the training set for Least Squares-Support Vector Machine (LS-SVM) classifier algorithms that were able to…

Computer Vision and Pattern Recognition · Computer Science 2017-11-01 Ali Y. Mutlu , Volkan Kılıç , Gizem K. Özdemir , Abdullah Bayram , Nesrin Horzum , Mehmet E. Solmaz

This study evaluates a smartphone-based, deep-learning eye-tracking algorithm by comparing its performance against a commercial infrared-based eye tracker, the Tobii Pro Nano. The aim is to investigate the feasibility of appearance-based…

Computer Vision and Pattern Recognition · Computer Science 2025-06-24 Nishan Gunawardena , Gough Yumu Lui , Bahman Javadi , Jeewani Anupama Ginige

Inverse rendering seeks to recover 3D geometry, surface material, and lighting from captured images, enabling advanced applications such as novel-view synthesis, relighting, and virtual object insertion. However, most existing techniques…

Computer Vision and Pattern Recognition · Computer Science 2025-03-19 Chih-Hao Lin , Jia-Bin Huang , Zhengqin Li , Zhao Dong , Christian Richardt , Tuotuo Li , Michael Zollhöfer , Johannes Kopf , Shenlong Wang , Changil Kim

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