collaborators

6 papers

cs.CV2025

Detecting Text Manipulation in Images using Vision Language Models

Vidit Vidit, Pavel Korshunov, Amir Mohammadi +3

Recent works have shown the effectiveness of Large Vision Language Models (VLMs or LVLMs) in image manipulation detection. However, text manipulation detection is largely missing i…

cs.CV2025

Review of Demographic Fairness in Face Recognition

Ketan Kotwal, Sebastien Marcel

Demographic fairness in face recognition (FR) has emerged as a critical area of research, given its impact on fairness, equity, and reliability across diverse applications. As FR t…

cs.CV2025

Investigation of Accuracy and Bias in Face Recognition Trained with Synthetic Data

Pavel Korshunov, Ketan Kotwal, Christophe Ecabert +3

Synthetic data has emerged as a promising alternative for training face recognition (FR) models, offering advantages in scalability, privacy compliance, and potential for bias miti…

cs.CV2025

Second Competition on Presentation Attack Detection on ID Card

Juan E. Tapia, Mario Nieto, Juan M. Espin +30

This work summarises and reports the results of the second Presentation Attack Detection competition on ID cards. This new version includes new elements compared to the previous on…

cs.CV2024

- An Open Source Modular Platform for Contactless Hand Vascular Biometric Experiments

David Geissbühler, Sushil Bhattacharjee, Ketan Kotwal +2

Current finger-vein or palm-vein recognition systems usually require direct contact of the subject with the apparatus. This can be problematic in environments where hygiene is of p…

cs.CV2024

VRBiom: A New Periocular Dataset for Biometric Applications of HMD

Ketan Kotwal, Ibrahim Ulucan, Gokhan Ozbulak +2

With advancements in hardware, high-quality HMD devices are being developed by numerous companies, driving increased consumer interest in AR, VR, and MR applications. In this work,…