54 citations · 195 across the 76 of their papers we have counts for
18 papers · 1 filter
SpectraIrisPAD: Leveraging Vision Foundation Models for Spectrally Conditioned Multispectral Iris Presentation Attack Detection
Raghavendra Ramachandra, Sushma Venkatesh
Iris recognition is widely recognized as one of the most accurate biometric modalities. However, its growing deployment in real-world applications raises significant concerns regar…
CLRecogEye : Curriculum Learning towards exploiting convolution features for Dynamic Iris Recognition
Geetanjali Sharma, Gaurav Jaswal, Aditya Nigam +1
Iris authentication algorithms have achieved impressive recognition performance, making them highly promising for real-world applications such as border control, citizen identifica…
LatentPrintFormer: A Hybrid CNN-Transformer with Spatial Attention for Latent Fingerprint identification
Arnab Maity, Manasa, Pavan Kumar C +1
Latent fingerprint identification remains a challenging task due to low image quality, background noise, and partial impressions. In this work, we propose a novel identification ap…
Introducing Nylon Face Mask Attacks: A Dataset for Evaluating Generalised Face Presentation Attack Detection
Manasa, Sushrut Patwardhan, Narayan Vetrekar +3
Face recognition systems are increasingly deployed across a wide range of applications, including smartphone authentication, access control, and border security. However, these sys…
StableMorph: High-Quality Face Morph Generation with Stable Diffusion
Wassim Kabbani, Kiran Raja, Raghavendra Ramachandra +1
Face morphing attacks threaten the integrity of biometric identity systems by enabling multiple individuals to share a single identity. To develop and evaluate effective morphing a…
Privacy-enhancing Sclera Segmentation Benchmarking Competition: SSBC 2025
Matej Vitek, Darian Tomašević, Abhijit Das +32
This paper presents a summary of the 2025 Sclera Segmentation Benchmarking Competition (SSBC), which focused on the development of privacy-preserving sclera-segmentation models tra…
Empowering Morphing Attack Detection using Interpretable Image-Text Foundation Model
Sushrut Patwardhan, Raghavendra Ramachandra, Sushma Venkatesh
Morphing attack detection has become an essential component of face recognition systems for ensuring a reliable verification scenario. In this paper, we present a multimodal learni…
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…
Towards Zero-Shot Differential Morphing Attack Detection with Multimodal Large Language Models
Ria Shekhawat, Hailin Li, Raghavendra Ramachandra +1
Leveraging the power of multimodal large language models (LLMs) offers a promising approach to enhancing the accuracy and interpretability of morphing attack detection (MAD), espec…
NTIRE 2025 Challenge on Image Super-Resolution (x4): Methods and Results
Zheng Chen, Kai Liu, Jue Gong +108
This paper presents the NTIRE 2025 image super-resolution (4) challenge, one of the associated competitions of the 10th NTIRE Workshop at CVPR 2025. The challenge aims to r…
ColFigPhotoAttnNet: Reliable Finger Photo Presentation Attack Detection Leveraging Window-Attention on Color Spaces
Anudeep Vurity, Emanuela Marasco, Raghavendra Ramachandra +1
Finger photo Presentation Attack Detection (PAD) can significantly strengthen smartphone device security. However, these algorithms are trained to detect certain types of attacks.…
Generating Realistic Forehead-Creases for User Verification via Conditioned Piecewise Polynomial Curves
Abhishek Tandon, Geetanjali Sharma, Gaurav Jaswal +2
We propose a trait-specific image generation method that models forehead creases geometrically using B-spline and Bézier curves. This approach ensures the realistic generation of b…
Generalized Single-Image-Based Morphing Attack Detection Using Deep Representations from Vision Transformer
Haoyu Zhang, Raghavendra Ramachandra, Kiran Raja +1
Face morphing attacks have posed severe threats to Face Recognition Systems (FRS), which are operated in border control and passport issuance use cases. Correspondingly, morphing a…
Demographic Variability in Face Image Quality Measures
Wassim Kabbani, Kiran Raja, Raghavendra Ramachandra +1
Face image quality assessment (FIQA) algorithms are being integrated into online identity management applications. These applications allow users to upload a face image as part of…
FaceOracle: Chat with a Face Image Oracle
Wassim Kabbani, Kiran Raja, Raghavendra Ramachandra +1
A face image is a mandatory part of ID and travel documents. Obtaining high-quality face images when issuing such documents is crucial for both human examiners and automated face r…
Radial Distortion in Face Images: Detection and Impact
Wassim Kabbani, Tristan Le Pessot, Kiran Raja +2
Acquiring face images of sufficiently high quality is important for online ID and travel document issuance applications using face recognition systems (FRS). Low-quality, manipulat…
Eye Sclera for Fair Face Image Quality Assessment
Wassim Kabbani, Kiran Raja, Raghavendra Ramachandra +1
Fair operational systems are crucial in gaining and maintaining society's trust in face recognition systems (FRS). FRS start with capturing an image and assessing its quality befor…
FoundPAD: Foundation Models Reloaded for Face Presentation Attack Detection
Guray Ozgur, Eduarda Caldeira, Tahar Chettaoui +3
Although face recognition systems have seen a massive performance enhancement in recent years, they are still targeted by threats such as presentation attacks, leading to the need…