activity
20182026
most citedIris Recognition Performance in Children: A Longitudinal Study

14 citations · 39 across the 32 of their papers we have counts for

collaborators
Showing cs.CVShow all

20 papers · 1 filter

cs.CV2026

Generation of Synthetic Fingerphotos with GANs

Conor Miller-Lynch, Sandip Purnapatra, Syed Konain Abbas +4

Contactless fingerprinting is an emerging approach to biometric authentication that allows users to scan their fingerprints without touching a scanner. Due to the limited amount of…

cs.CV2026

3D FaceShell: Attribute Transfer in 3D Face Avatars as a VLM Defense Mechanism

Weston Bondurant, Srijan Das, Hieu Le +1

Photorealistic 3D face avatars are increasingly deployed as reusable digital assets across applications such as telepresence, animation, and personalized media. At the same time, v…

cs.CV2026

Mitigating Longitudinal Performance Degradation in Child Face Recognition Using Synthetic Data

Afzal Hossain, Stephanie Schuckers

Longitudinal face recognition in children remains challenging due to rapid and nonlinear facial growth, which causes template drift and increasing verification errors over time. Th…

cs.CV2026

Evaluating Deep Learning-Based Face Recognition for Infants and Toddlers: Impact of Age Across Developmental Stages

Afzal Hossain, Mst Rumana Sumi, Stephanie Schuckers

Face recognition for infants and toddlers presents unique challenges due to rapid facial morphology changes, high inter-class similarity, and limited dataset availability. This stu…

cs.CV2025

DiffSwap++: 3D Latent-Controlled Diffusion for Identity-Preserving Face Swapping

Weston Bondurant, Arkaprava Sinha, Hieu Le +2

Diffusion-based approaches have recently achieved strong results in face swapping, offering improved visual quality over traditional GAN-based methods. However, even state-of-the-a…

cs.CV2025

Conditional Synthetic Live and Spoof Fingerprint Generation

Syed Konain Abbas, Sandip Purnapatra, M. G. Sarwar Murshed +5

Large fingerprint datasets, while important for training and evaluation, are time-consuming and expensive to collect and require strict privacy measures. Researchers are exploring…

cs.CV2024

A large-scale study of performance and equity of commercial remote identity verification technologies across demographics

Kaniz Fatima, Michael Schuckers, Gerardo Cruz-Ortiz +6

As more types of transactions move online, there is an increasing need to verify someone's identity remotely. Remote identity verification (RIdV) technologies have emerged to fill…

cs.CV2024

Deep Learning Approach for Ear Recognition and Longitudinal Evaluation in Children

Afzal Hossain, Tipu Sultan, Stephanie Schuckers

Ear recognition as a biometric modality is becoming increasingly popular, with promising broader application areas. While current applications involve adults, one of the challenges…

cs.CV2024

Longitudinal Evaluation of Child Face Recognition and the Impact of Underlying Age

Surendra Singh, Keivan Bahmani, Stephanie Schuckers

The need for reliable identification of children in various emerging applications has sparked interest in leveraging child face recognition technology. This study introduces a long…

cs.CV2023

Iris Liveness Detection Competition (LivDet-Iris) -- The 2023 Edition

Patrick Tinsley, Sandip Purnapatra, Mahsa Mitcheff +18

This paper describes the results of the 2023 edition of the ''LivDet'' series of iris presentation attack detection (PAD) competitions. New elements in this fifth competition inclu…

cs.CV2023

Uniqueness of Iris Pattern Based on AR Model

Katelyn M. Hampel, Jinyu Zuo, Priyanka Das +4

The assessment of iris uniqueness plays a crucial role in analyzing the capabilities and limitations of iris recognition systems. Among the various methodologies proposed, Daugman'…

cs.CV2023★ 9 cited

Empirical Assessment of End-to-End Iris Recognition System Capacity

Priyanka Das, Richard Plesh, Veeru Talreja +4

Iris is an established modality in biometric recognition applications including consumer electronics, e-commerce, border security, forensics, and de-duplication of identity at a na…

cs.CV2023

Longitudinal Performance of Iris Recognition in Children: Time Intervals up to Six years

Priyanka Das, Naveen G Venkataswamy, Laura Holsopple +3

The temporal stability of iris recognition performance is core to its success as a biometric modality. With the expanding horizon of applications for children, gaps in the knowledg…

cs.CV2023

Presentation Attack Detection with Advanced CNN Models for Noncontact-based Fingerprint Systems

Sandip Purnapatra, Conor Miller-Lynch, Stephen Miner +4

Touch-based fingerprint biometrics is one of the most popular biometric modalities with applications in several fields. Problems associated with touch-based techniques such as the…

cs.CV2023★ 1 cited

Deep Age-Invariant Fingerprint Segmentation System

M. G. Sarwar Murshed, Keivan Bahmani, Stephanie Schuckers +1

Fingerprint-based identification systems achieve higher accuracy when a slap containing multiple fingerprints of a subject is used instead of a single fingerprint. However, segment…

cs.CV2022★ 1 cited

Face Recognition In Children: A Longitudinal Study

Keivan Bahmani, Stephanie Schuckers

The lack of high fidelity and publicly available longitudinal children face datasets is one of the main limiting factors in the development of face recognition systems for children…

cs.CV2022★ 1 cited

Review of the Fingerprint Liveness Detection (LivDet) competition series: from 2009 to 2021

Marco Micheletto, Giulia Orrù, Roberto Casula +3

Fingerprint authentication systems are highly vulnerable to artificial reproductions of fingerprint, called fingerprint presentation attacks. Detecting presentation attacks is not…

cs.CV2021

Deep Slap Fingerprint Segmentation for Juveniles and Adults

M. G. Sarwar Murshed, Robert Kline, Keivan Bahmani +2

Many fingerprint recognition systems capture four fingerprints in one image. In such systems, the fingerprint processing pipeline must first segment each four-fingerprint slap into…

cs.CV2021

High Fidelity Fingerprint Generation: Quality, Uniqueness, and Privacy

Keivan Bahmani, Richard Plesh, Peter Johnson +2

In this work, we utilize progressive growth-based Generative Adversarial Networks (GANs) to develop the Clarkson Fingerprint Generator (CFG). We demonstrate that the CFG is capable…

cs.CV2020

Iris Liveness Detection Competition (LivDet-Iris) -- The 2020 Edition

Priyanka Das, Joseph McGrath, Zhaoyuan Fang +20

Launched in 2013, LivDet-Iris is an international competition series open to academia and industry with the aim to assess and report advances in iris Presentation Attack Detection…