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Related papers: Iris Recognition: Inherent Binomial Degrees of Fre…

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Smartphone-based iris recognition in the visible spectrum (VIS) offers a low-cost and accessible biometric alternative but remains a challenge due to lighting variability, pigmentation effects, and the limited adoption of standardized…

Image and Video Processing · Electrical Eng. & Systems 2025-12-18 Naveenkumar G. Venkataswamy , Yu Liu , Soumyabrata Dey , Stephanie Schuckers , Masudul H. Imtiaz

Person re-identification (ReID) systems that match individuals across images or video frames are essential in many real-world applications. However, existing methods are often influenced by attributes such as gender, pose, and body mass…

Computer Vision and Pattern Recognition · Computer Science 2026-05-01 Basudha Pal , Siyuan Huang , Anirudh Nanduri , Zhaoyang Wang , Rama Chellappa

We explore the task of recognizing peoples' identities in photo albums in an unconstrained setting. To facilitate this, we introduce the new People In Photo Albums (PIPA) dataset, consisting of over 60000 instances of 2000 individuals…

Computer Vision and Pattern Recognition · Computer Science 2015-02-02 Ning Zhang , Manohar Paluri , Yaniv Taigman , Rob Fergus , Lubomir Bourdev

Face recognition systems (FRS) exhibit significant accuracy differences based on the user's gender. Since such a gender gap reduces the trustworthiness of FRS, more recent efforts have tried to find the causes. However, these studies make…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Paul Jonas Kurz , Haiyu Wu , Kevin W. Bowyer , Philipp Terhörst

As large engineering efforts go towards improving the resolution of mobile, AR and VR displays, it is important to know the maximum resolution at which further improvements bring no noticeable benefit. This limit is often referred to as the…

Human-Computer Interaction · Computer Science 2025-10-29 Maliha Ashraf , Alexandre Chapiro , Rafał K. Mantiuk

This paper presents the most comprehensive analysis of iris recognition reliability in the occurrence of various biological processes happening naturally and pathologically in the human body, including aging, illnesses, and post-mortem…

Computer Vision and Pattern Recognition · Computer Science 2018-09-05 Mateusz Trokielewicz , Adam Czajka , Piotr Maciejewicz

When assessing whether an image is of high or low quality, it is indispensable to take personal preference into account. Existing aesthetic models lay emphasis on hand-crafted features or deep features commonly shared by high quality…

Computer Vision and Pattern Recognition · Computer Science 2018-08-17 Pei Lv , Meng Wang , Yongbo Xu , Ze Peng , Junyi Sun , Shimei Su , Bing Zhou , Mingliang Xu

This literature has proposed three fast and easy computable image features to improve computer vision by offering more human-like vision power. These features are not based on image pixels absolute or relative intensity; neither based on…

Computer Vision and Pattern Recognition · Computer Science 2020-04-16 Soumi Ray , Vinod Kumar

Fairness in machine learning research is commonly framed in the context of classification tasks, leaving critical gaps in regression. In this paper, we propose a novel approach to measure intersectional fairness in regression tasks, going…

Machine Learning · Computer Science 2025-08-01 Joe Germino , Nuno Moniz , Nitesh V. Chawla

In this survey, we provide a comprehensive review of more than 200 papers, technical reports, and GitHub repositories published over the last 10 years on the recent developments of deep learning techniques for iris recognition, covering…

Computer Vision and Pattern Recognition · Computer Science 2022-10-13 Kien Nguyen , Hugo Proença , Fernando Alonso-Fernandez

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

Imaging systems have traditionally been designed to mimic the human eye and produce visually interpretable measurements. Modern imaging systems, however, process raw measurements computationally before or instead of human viewing. As a…

Subject matching performance in iris biometrics is contingent upon fast, high-quality iris segmentation. In many cases, iris biometrics acquisition equipment takes a number of images in sequence and combines the segmentation and matching…

Computer Vision and Pattern Recognition · Computer Science 2019-01-08 Jeffery Kinnison , Mateusz Trokielewicz , Camila Carballo , Adam Czajka , Walter Scheirer

Most gender classifications methods from NIR images have used iris information. Recent work has explored the use of the whole periocular iris region which has surprisingly achieve better results. This suggests the most relevant information…

Computer Vision and Pattern Recognition · Computer Science 2019-04-30 Ignacio Viedma , Juan Tapia , Andres Iturriaga , Christoph Busch

This study proposes a method for radar-based identification of individuals using a combination of their respiratory and heartbeat features. In the proposed method, the target individual's respiratory features are extracted using the…

Signal Processing · Electrical Eng. & Systems 2024-12-18 Haruto Kobayashi , Yuji Tanaka , Takuya Sakamoto

For physical theories, the degree of arbitrariness of a system is of great importance, and is often closely linked to the concept of degree of freedom, and for most systems this number is far from obvious. In this paper we present an easy…

Mathematical Physics · Physics 2012-01-12 Ziyang Hu

Intrinsic image decomposition is an important and long-standing computer vision problem. Given an input image, recovering the physical scene properties is ill-posed. Several physically motivated priors have been used to restrict the…

Computer Vision and Pattern Recognition · Computer Science 2022-09-27 Zongji Wang , Yunfei Liu , Feng Lu

Supervised person re-identification assumes that a person has images captured under multiple cameras. However when cameras are placed in distance, a person rarely appears in more than one camera. This paper thus studies person re-ID under…

Computer Vision and Pattern Recognition · Computer Science 2023-11-03 Menglin Wang , Xiaojin Gong

Despite the promise of recent deep neural networks in the iris recognition setting, there are vital properties of the classic IrisCode which are almost unable to be achieved with current deep iris networks: the compactness of model and the…

Computer Vision and Pattern Recognition · Computer Science 2023-05-04 Kien Nguyen , Clinton Fookes , Sridha Sridharan

Binarized statistical image features (BSIF) have been successfully used for texture analysis in many computer vision tasks, including iris recognition and biometric presentation attack detection. One important point is that all applications…

Computer Vision and Pattern Recognition · Computer Science 2018-11-20 Adam Czajka , Daniel Moreira , Kevin W. Bowyer , Patrick J. Flynn