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Related papers: Iris recognition in cases of eye pathology

200 papers

According to multiple authoritative authorities, including the World Health Organization, vision-related impairments and disorders are becoming a significant issue. According to a recent report, one of the leading causes of irreversible…

Computer Vision and Pattern Recognition · Computer Science 2022-10-31 Dishant Padalia , Abhishek Mazumdar , Bharati Singh

Iris segmentation and localization in non-cooperative environment is challenging due to illumination variations, long distances, moving subjects and limited user cooperation, etc. Traditional methods often suffer from poor performance when…

Computer Vision and Pattern Recognition · Computer Science 2019-06-20 Caiyong Wang , Yuhao Zhu , Yunfan Liu , Ran He , Zhenan Sun

Stroke is the second leading cause of mortality worldwide. Immediate attention and diagnosis play a crucial role regarding patient prognosis. The key to diagnosis consists in localizing and delineating brain lesions. Standard stroke…

Image and Video Processing · Electrical Eng. & Systems 2024-09-05 Santiago Gómez , Daniel Mantilla , Gustavo Garzón , Edgar Rangel , Andrés Ortiz , Franklin Sierra-Jerez , Fabio Martínez

This study presents the first automated classifier designed to determine whether a pair of iris images originates from monozygotic individuals, addressing a previously untackled problem in biometric recognition. In Daugman-style iris…

Computer Vision and Pattern Recognition · Computer Science 2025-06-26 Yongle Yuan , Kevin W. Bowyer

Failure to recognize samples from the classes unseen during training is a major limitation of artificial intelligence in the real-world implementation for recognition and classification of retinal anomalies. We established an…

This response to the RFI considers the potential for biometrics to help or harm disabled people2. Biometrics are already integrated into many aspects of daily life, from airport travel to mobile phone use. Yet many of these systems are not…

Computers and Society · Computer Science 2022-08-24 Jennifer Mankoff , Devva Kasnitz , Disability Studies , L Jean Camp , Jonathan Lazar , Harry Hochheiser

Among the most impactful diabetic complications are diabetic retinopathy, the leading cause of blindness among working class adults, and cardiovascular disease, the leading cause of death worldwide. This study describes the development of…

Medical Physics · Physics 2020-11-17 Kasyap Chakravadhanula

The Infrared Astronomical Satellite (IRAS) had a tremendous impact on many areas of modern astrophysics. In particular it revealed the ubiquity of infrared cirrus that are a spectacular manifestation of the interstellar medium complexity…

Astrophysics · Physics 2008-12-18 Marc-Antoine Miville-Deschenes , Guilaine Lagache

Accurate facial expression analysis is an essential step in various clinical applications that involve physical and mental health assessments of older adults (e.g. diagnosis of pain or depression). Although remarkable progress has been…

Computer Vision and Pattern Recognition · Computer Science 2019-05-21 Azin Asgarian , Shun Zhao , Ahmed B. Ashraf , M. Erin Browne , Kenneth M. Prkachin , Alex Mihailidis , Thomas Hadjistavropoulos , Babak Taati

Face liveness detection has become a widely used technique with a growing importance in various authentication scenarios to withstand spoofing attacks. Existing methods that perform liveness detection generally focus on designing…

Cryptography and Security · Computer Science 2018-10-09 Meng Shen , Zelin Liao , Liehuang Zhu , Rashid Mijumbi , Xiaojiang Du , Jiankun Hu

Iris-based biometric identification is increasingly recognized for its significant accuracy and long-term stability compared to other biometric modalities such as fingerprints or facial features. However, all biometric modalities are highly…

Cryptography and Security · Computer Science 2026-03-31 Christina Karakosta , Lian Alhedaithy , William J. Knottenbelt

Iris recognition is a reliable personal identification method but there is still much room to improve its accuracy especially in less-constrained situations. For example, free movement of head pose may cause large rotation difference…

Computer Vision and Pattern Recognition · Computer Science 2019-12-03 Min Ren , Caiyong Wang , Yunlong Wang , Zhenan Sun , Tieniu Tan

The distinctiveness of the human iris has been measured by first extracting a set of features from the iris, an encoding, and then comparing these encoded feature sets to determine how distinct they are from one another. For example, John…

Computer Vision and Pattern Recognition · Computer Science 2020-06-30 J. Michael Rozmus

It is feasible to recognize the presence and seriousness of eye disease by investigating the progressions in retinal biological structure. Fundus examination is a diagnostic procedure to examine the biological structure and anomaly of the…

Image and Video Processing · Electrical Eng. & Systems 2022-07-19 Amit Bhati , Neha Gour , Pritee Khanna , Aparajita Ojha

Iris recognition is widely recognized as one of the most accurate biometric modalities. However, its growing deployment in real-world applications raises significant concerns regarding its vulnerability to Presentation Attacks (PAs).…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Raghavendra Ramachandra , Sushma Venkatesh

A new high-precision eye-tracking method has been demonstrated recently by tracking the motion of iris features rather than by exploiting pupil edges. While the method provides high precision, it suffers from temporal drift, an inability to…

Computer Vision and Pattern Recognition · Computer Science 2020-09-22 Aayush K. Chaudhary , Jeff B. Pelz

Iris recognition systems, operating in the near infrared spectrum (NIR), have demonstrated vulnerability to presentation attacks, where an adversary uses artifacts such as cosmetic contact lenses, artificial eyes or printed iris images in…

Computer Vision and Pattern Recognition · Computer Science 2023-11-22 Darshika Jauhari , Renu Sharma , Cunjian Chen , Nelson Sepulveda , Arun Ross

Optical coherence tomography (OCT) scanning is useful in detecting various retinal diseases. However, there are not enough ophthalmologists who can diagnose retinal OCT images in much of the world. To provide OCT screening inexpensively and…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Ayaka Suzuki , Yoshiro Suzuki

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

This research proposes a new database and method to detect the reduction of alertness conditions due to alcohol, drug consumption and sleepiness deprivation from Near-Infra-Red (NIR) periocular eye images. The study focuses on determining…

Computer Vision and Pattern Recognition · Computer Science 2022-09-07 Juan Tapia , Daniel Benalcazar , Andres Valenzuela , Leonardo Causa , Enrique Lopez Droguett , Christoph Busch