14 citations · 39 across the 32 of their papers we have counts for
38 papers
Synthetic Fingerprints for Children Under Four: Generation and Biometric Evaluation
Faheem Ahmad, Ajan Ahmed, Mst Rumana Sumi +2
Fingerprint recognition in children under four is of interest for longitudinal identity applications, but research in this age range is constrained by the limited availability and…
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…
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…
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…
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…
An Open-Source Framework for Quality-Assured Smartphone-Based Visible Light Iris Recognition
Naveenkumar G. Venkataswamy, Yu Liu, Soumyabrata Dey +2
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, pigmenta…
Nine Years of Pediatric Iris Recognition: Evidence for Biometric Permanence
Naveenkumar G Venkataswamy, Masudul H Imtiaz, Stephanie Schuckers
Biometric permanence in pediatric populations remains poorly understood despite widespread deployment of iris recognition for children in national identity programs such as India's…
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…
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…
Smartphone-based iris recognition through high-quality visible-spectrum iris image capture.V2
Naveenkumar G Venkataswamy, Yu Liu, Soumyabrata Dey +2
Smartphone-based iris recognition in the visible spectrum (VIS) remains difficult due to illumination variability, pigmentation differences, and the absence of standardized capture…
Descriptor:: Extended-Length Audio Dataset for Synthetic Voice Detection and Speaker Recognition (ELAD-SVDSR)
Rahul Vijaykumar, Ajan Ahmed, John Parker +4
This paper introduces the Extended Length Audio Dataset for Synthetic Voice Detection and Speaker Recognition (ELAD SVDSR), a resource specifically designed to facilitate the creat…
A Comparative Evaluation of Deep Learning Models for Speech Enhancement in Real-World Noisy Environments
Md Jahangir Alam Khondkar, Ajan Ahmed, Stephanie Schuckers +1
Speech enhancement, particularly denoising, is vital in improving the intelligibility and quality of speech signals for real-world applications, especially in noisy environments. W…
OcularAge: A Comparative Study of Iris and Periocular Images for Pediatric Age Estimation
Naveenkumar G Venkataswamy, Poorna Ravi, Stephanie Schuckers +1
Estimating a child's age from ocular biometric images is challenging due to subtle physiological changes and the limited availability of longitudinal datasets. Although most biomet…
Smartphone-based Iris Recognition through High-Quality Visible Spectrum Iris Capture
Naveenkumar G Venkataswamy, Yu Liu, Surendra Singh +3
Iris recognition is widely acknowledged for its exceptional accuracy in biometric authentication, traditionally relying on near-infrared (NIR) imaging. Recently, visible spectrum (…
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…
Securing Biometric Data: Fully Homomorphic Encryption in Multimodal Iris and Face Recognition
Surendra Singh, Lambert Igene, Stephanie Schuckers
Multimodal biometric systems have gained popularity for their enhanced recognition accuracy and resistance to attacks like spoofing. This research explores methods for fusing iris…
Post-Mortem Human Iris Segmentation Analysis with Deep Learning
Afzal Hossain, Tipu Sultan, Stephanie Schuckers
Iris recognition is widely used in several fields such as mobile phones, financial transactions, identification cards, airport security, international border control, voter registr…
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…
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…
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…
Generalizability and Application of the Skin Reflectance Estimate Based on Dichromatic Separation (SREDS)
Joseph Drahos, Richard Plesh, Keivan Bahmani +2
Face recognition (FR) systems have become widely used and readily available in recent history. However, differential performance between certain demographics has been identified wi…
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'…
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…
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…