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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…

计算机视觉与模式识别 · 计算机科学 2020-01-07 Kuo Wang , Ajay Kumar

This paper presents a deep-learning-based method for iris presentation attack detection (PAD) when iris images are obtained from deceased people. Our approach is based on the VGG-16 architecture fine-tuned with a database of 574…

计算机视觉与模式识别 · 计算机科学 2018-07-30 Mateusz Trokielewicz , Adam Czajka , Piotr Maciejewicz

This chapter provides insight on how iris recognition, one of the leading biometric identification technologies in the world, can be impacted by pathologies and illnesses present in the eye, what are the possible repercussions of this…

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

For distant iris recognition, a long focal length lens is generally used to ensure the resolution ofiris images, which reduces the depth of field and leads to potential defocus blur. To accommodate users at different distances, it is…

计算机视觉与模式识别 · 计算机科学 2021-06-30 Leyuan Wang , Kunbo Zhang , Yunlong Wang , Zhenan Sun

Biometric methods based on iris images are believed to allow very high accuracy, and there has been an explosion of interest in iris biometrics in recent years. In this paper, we use the Scale Invariant Feature Transformation (SIFT) for…

计算机视觉与模式识别 · 计算机科学 2021-11-02 Fernando Alonso-Fernandez , Pedro Tome-Gonzalez , Virginia Ruiz-Albacete , Javier Ortega-Garcia

Iris recognition, a relatively new biometric technology, has great advantages, such as variability, stability and security, thus is the most promising for high security environment. Iris recognition is proposed in this report. We describe…

计算机视觉与模式识别 · 计算机科学 2013-03-05 Belhassen Akrout , Imen Khanfir Kallel , Chokri Ben Amar

The use of iris as a biometric trait is widely used because of its high level of distinction and uniqueness. Nowadays, one of the major research challenges relies on the recognition of iris images obtained in visible spectrum under…

计算机视觉与模式识别 · 计算机科学 2019-01-21 Luiz A. Zanlorensi , Eduardo Luz , Rayson Laroca , Alceu S. Britto , Luiz S. Oliveira , David Menotti

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…

计算机视觉与模式识别 · 计算机科学 2023-03-16 Yimin Yin , Siliang He , Renye Zhang , Hongli Chang , Xu Han , Jinghua Zhang

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…

图像与视频处理 · 电气工程与系统科学 2025-10-24 Jack Pessaud , Eric Moran , John Nguyen , Joel Palko

Iris recognition is a mature biometric technology offering remarkable precision and speed, and allowing for large-scale deployments to populations exceeding a billion enrolled users (e.g., AADHAAR in India). However, in forensic…

计算机视觉与模式识别 · 计算机科学 2026-01-13 Mahsa Mitcheff , Adam Czajka

With the recent shift towards mobile computing, new challenges for biometric authentication appear on the horizon. This paper provides a comprehensive study of cross-spectral iris recognition in a scenario, in which high quality color…

计算机视觉与模式识别 · 计算机科学 2018-07-12 Mateusz Trokielewicz , Ewelina Bartuzi

The gaze behavior of virtual avatars is critical to social presence and perceived eye contact during social interactions in Virtual Reality. Virtual Reality headsets are being designed with integrated eye tracking to enable compelling…

人机交互 · 计算机科学 2020-03-10 Brendan John , Sophie Jörg , Sanjeev Koppal , Eakta Jain

Gender classification is attractive in a range of applications, including surveillance and monitoring, corporate profiling, and human-computer interaction. Individuals' identities may be gleaned from information about their gender, which is…

计算机视觉与模式识别 · 计算机科学 2025-08-11 Basna Mohammed Salih Hasan , Ramadhan J. Mstafa

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…

计算机视觉与模式识别 · 计算机科学 2020-09-15 Abolfazl Zargari Khuzani , Najmeh Mashhadi , Morteza Heidari , Donya Khaledyan

The use of the iris and periocular region as biometric traits has been extensively investigated, mainly due to the singularity of the iris features and the use of the periocular region when the image resolution is not sufficient to extract…

计算机视觉与模式识别 · 计算机科学 2022-02-07 Luiz A. Zanlorensi , Rayson Laroca , Eduardo Luz , Alceu S. Britto , Luiz S. Oliveira , 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…

计算机视觉与模式识别 · 计算机科学 2025-01-03 Rasel Ahmed Bhuiyan , Mateusz Trokielewicz , Piotr Maciejewicz , Sherri Bucher , Adam Czajka

Iris texture is widely regarded as a gold standard biometric modality for authentication and identification. The demand for robust iris recognition methods, coupled with growing security and privacy concerns regarding iris attacks, has…

计算机视觉与模式识别 · 计算机科学 2025-04-15 Mengdi Wang , Efe Bozkir , Enkelejda Kasneci

Periocular biometrics has been established as an independent modality due to concerns on the performance of iris or face systems in uncontrolled conditions. Periocular refers to the facial region in the eye vicinity, including eyelids,…

计算机视觉与模式识别 · 计算机科学 2023-07-27 Fernando Alonso-Fernandez , Josef Bigun

This paper presents an analysis of how the iris recognition is impacted by eye diseases and an appropriate dataset comprising 2996 iris images of 230 distinct eyes (including 184 illness-affected eyes representing more than 20 different eye…

计算机视觉与模式识别 · 计算机科学 2018-09-17 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