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Related papers: Iris recognition in cases of eye pathology

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The selection of the optimal feature subset and the classification has become an important issue in the field of iris recognition. In this paper we propose several methods for iris feature subset selection and vector creation. The…

Computer Vision and Pattern Recognition · Computer Science 2009-06-29 Amir Azizi , Hamid Reza Pourreza

This paper proposes an end-to-end iris recognition method designed specifically for post-mortem samples, and thus serving as a perfect application for iris biometrics in forensics. To our knowledge, it is the first method specific for…

Computer Vision and Pattern Recognition · Computer Science 2019-12-06 Mateusz Trokielewicz , Adam Czajka , Piotr Maciejewicz

Recognition of iris based on Visible Light (VL) imaging is a difficult problem because of the light reflection from the cornea. Nonetheless, pigment melanin provides a rich feature source in VL, unavailable in Near-Infrared (NIR) imaging.…

Computer Vision and Pattern Recognition · Computer Science 2016-11-17 Mahdi S. Hosseini , Babak N. Araabi , Hamid Soltanian-Zadeh

Cataracts, which are lenticular opacities that may occur at different lens locations, are the leading cause of visual impairment worldwide. Accurate and timely diagnosis can improve the quality of life of cataract patients. In this paper, a…

Computer Vision and Pattern Recognition · Computer Science 2019-04-03 Lvchen Cao , Huiqi Li , Yanjun Zhang , Liang Xu , Li Zhang

Post-mortem iris recognition can offer an additional forensic method of personal identification. However, in contrary to already well-established human examination of fingerprints, making iris recognition human-interpretable is harder, and…

Computer Vision and Pattern Recognition · Computer Science 2019-10-10 Mateusz Trokielewicz , Adam Czajka , Piotr Maciejewicz

In the last few years, face morphing has been shown to be a complex challenge for Face Recognition Systems (FRS). Thus, the evaluation of other biometric modalities such as fingerprint, iris, and others must be explored and evaluated to…

Computer Vision and Pattern Recognition · Computer Science 2024-08-27 Juan E. Tapia , Sebastian Gonzalez , Daniel Benalcazar , Christoph Busch

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.…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 F. Alonso-Fernandez , R. A. Farrugia , J. Bigun , J. Fierrez , E. Gonzalez-Sosa

Retinopathy represents a group of retinal diseases that, if not treated timely, can cause severe visual impairments or even blindness. Many researchers have developed autonomous systems to recognize retinopathy via fundus and optical…

Image and Video Processing · Electrical Eng. & Systems 2021-11-05 Taimur Hassan , Bilal Hassan , Muhammad Usman Akram , Shahrukh Hashmi , Abdel Hakim Taguri , Naoufel Werghi

A Bio-metrics system is actually a pattern recognition system that utilizes various patterns like iris, retina and biological traits like fingerprint, voice recognition, facial geometry and hand geometry. What makes Bio-metrics really…

Cryptography and Security · Computer Science 2022-02-01 Kavyashree U , K N Deeksha , Suma Ballal , Vitina Mary Dsouza , Rama Moorthy H

Current research in iris recognition is moving towards enabling more relaxed acquisition conditions. This has effects on the quality of acquired images, with low resolution being a predominant issue. Here, we evaluate a super-resolution…

Computer Vision and Pattern Recognition · Computer Science 2022-10-19 Fernando Alonso-Fernandez , Reuben A. Farrugia , Josef Bigun

Iris serves as one of the best biometric modality owing to its complex, unique and stable structure. However, it can still be spoofed using fabricated eyeballs and contact lens. Accurate identification of contact lens is must for reliable…

Computer Vision and Pattern Recognition · Computer Science 2017-10-17 Avantika Singh , Vishesh Mistry , Dhananjay Yadav , Aditya Nigam

This paper presents a comprehensive overview of iris image synthesis methods, which can alleviate the issues associated with gathering large, diverse datasets of biometric data from living individuals, which are considered pivotal for…

Computer Vision and Pattern Recognition · Computer Science 2025-06-04 Ada Sawilska , Mateusz Trokielewicz

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…

Human-Computer Interaction · Computer Science 2020-03-10 Brendan John , Sophie Jörg , Sanjeev Koppal , Eakta Jain

Iris recognition of living individuals is a mature biometric modality that has been adopted globally from governmental ID programs, border crossing, voter registration and de-duplication, to unlocking mobile phones. On the other hand, the…

Computer Vision and Pattern Recognition · Computer Science 2022-01-02 Andrey Kuehlkamp , Aidan Boyd , Adam Czajka , Kevin Bowyer , Patrick Flynn , Dennis Chute , Eric Benjamin

Eye movements play a vital role in perceiving the world. Eye gaze can give a direct indication of the users point of attention, which can be useful in improving human-computer interaction. Gaze estimation in a non-intrusive manner can make…

Computer Vision and Pattern Recognition · Computer Science 2019-07-11 Anjith George

This paper provides a systematic survey of retinal diseases that cause visual impairments or blindness, emphasizing the importance of early detection for effective treatment. It covers both clinical and automated approaches for detecting…

Image and Video Processing · Electrical Eng. & Systems 2023-11-27 Hina Raja , Taimur Hassan , Bilal Hassan , Muhammad Usman Akram , Hira Raja , Alaa A Abd-alrazaq , Siamak Yousefi , Naoufel Werghi

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…

Computer Vision and Pattern Recognition · Computer Science 2019-10-09 Mateusz Trokielewicz , Adam Czajka , Piotr Maciejewicz

Iris recognition has been an active research area during last few decades, because of its wide applications in security, from airports to homeland security border control. Different features and algorithms have been proposed for iris…

Computer Vision and Pattern Recognition · Computer Science 2019-07-23 Shervin Minaee , Amirali Abdolrashidi

Medical imaging plays an important role in the medical sector in identifying diseases. X-ray, computed tomography (CT) scans, and magnetic resonance imaging (MRI) are a few examples of medical imaging. Most of the time, these imaging…

Image and Video Processing · Electrical Eng. & Systems 2024-09-01 Mosabbir Bhuiyan , MD Abdullah Al Nasim , Sarwar Saif , Kishor Datta Gupta , Md Jahangir Alam , Sajedul Talukder

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
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