54 citations · 195 across the 76 of their papers we have counts for
16 papers · 1 filter
Biometrics in Extended Reality: A Review
Ayush Agarwal, Raghavendra Ramachandra, Sushma Venkatesh +1
In the domain of Extended Reality (XR), particularly Virtual Reality (VR), extensive research has been devoted to harnessing this transformative technology in various real-world ap…
Impact of Iris Pigmentation on Performance Bias in Visible Iris Verification Systems: A Comparative Study
Geetanjali Sharma, Abhishek Tandon, Gaurav Jaswal +2
Iris recognition technology plays a critical role in biometric identification systems, but their performance can be affected by variations in iris pigmentation. In this work, we in…
MorCode: Face Morphing Attack Generation using Generative Codebooks
Aravinda Reddy PN, Raghavendra Ramachandra, Sushma Venkatesh +3
Face recognition systems (FRS) can be compromised by face morphing attacks, which blend textural and geometric information from multiple facial images. The rapid evolution of gener…
Gumbel Rao Monte Carlo based Bi-Modal Neural Architecture Search for Audio-Visual Deepfake Detection
Aravinda Reddy PN, Raghavendra Ramachandra, Krothapalli Sreenivasa Rao +1
Deepfakes pose a critical threat to biometric authentication systems by generating highly realistic synthetic media. Existing multimodal deepfake detectors often struggle to adapt…
Unsupervised Fingerphoto Presentation Attack Detection With Diffusion Models
Hailin Li, Raghavendra Ramachandra, Mohamed Ragab +3
Smartphone-based contactless fingerphoto authentication has become a reliable alternative to traditional contact-based fingerprint biometric systems owing to rapid advances in smar…
SynMorph: Generating Synthetic Face Morphing Dataset with Mated Samples
Haoyu Zhang, Raghavendra Ramachandra, Kiran Raja +1
Face morphing attack detection (MAD) algorithms have become essential to overcome the vulnerability of face recognition systems. To solve the lack of large-scale and public-availab…
First Competition on Presentation Attack Detection on ID Card
Juan E. Tapia, Naser Damer, Christoph Busch +12
This paper summarises the Competition on Presentation Attack Detection on ID Cards (PAD-IDCard) held at the 2024 International Joint Conference on Biometrics (IJCB2024). The compet…
Synthetic Forehead-creases Biometric Generation for Reliable User Verification
Abhishek Tandon, Geetanjali Sharma, Gaurav Jaswal +2
Recent studies have emphasized the potential of forehead-crease patterns as an alternative for face, iris, and periocular recognition, presenting contactless and convenient solutio…
NeuralMultiling: A Novel Neural Architecture Search for Smartphone based Multilingual Speaker Verification
Aravinda Reddy PN, Raghavendra Ramachandra, K. Sreenivasa Rao +1
Multilingual speaker verification introduces the challenge of verifying a speaker in multiple languages. Existing systems were built using i-vector/x-vector approaches along with B…
Straight Through Gumbel Softmax Estimator based Bimodal Neural Architecture Search for Audio-Visual Deepfake Detection
Aravinda Reddy PN, Raghavendra Ramachandra, Krothapalli Sreenivasa Rao +2
Deepfakes are a major security risk for biometric authentication. This technology creates realistic fake videos that can impersonate real people, fooling systems that rely on facia…
Towards Inclusive Face Recognition Through Synthetic Ethnicity Alteration
Praveen Kumar Chandaliya, Kiran Raja, Raghavendra Ramachandra +2
Numerous studies have shown that existing Face Recognition Systems (FRS), including commercial ones, often exhibit biases toward certain ethnicities due to under-represented data.…
3D Face Morphing Attack Generation using Non-Rigid Registration
Jag Mohan Singh, Raghavendra Ramachandra
Face Recognition Systems (FRS) are widely used in commercial environments, such as e-commerce and e-banking, owing to their high accuracy in real-world conditions. However, these s…
VoxAtnNet: A 3D Point Clouds Convolutional Neural Network for Generalizable Face Presentation Attack Detection
Raghavendra Ramachandra, Narayan Vetrekar, Sushma Venkatesh +3
Facial biometrics are an essential components of smartphones to ensure reliable and trustworthy authentication. However, face biometric systems are vulnerable to Presentation Attac…
MLSD-GAN -- Generating Strong High Quality Face Morphing Attacks using Latent Semantic Disentanglement
Aravinda Reddy PN, Raghavendra Ramachandra, Krothapalli Sreenivasa Rao +1
Face-morphing attacks are a growing concern for biometric researchers, as they can be used to fool face recognition systems (FRS). These attacks can be generated at the image level…
NTIRE 2024 Challenge on Image Super-Resolution (x4): Methods and Results
Zheng Chen, Zongwei Wu, Eduard Zamfir +85
This paper reviews the NTIRE 2024 challenge on image super-resolution (4), highlighting the solutions proposed and the outcomes obtained. The challenge involves generating…
FH-SSTNet: Forehead Creases based User Verification using Spatio-Spatial Temporal Network
Geetanjali Sharma, Gaurav Jaswal, Aditya Nigam +1
Biometric authentication, which utilizes contactless features, such as forehead patterns, has become increasingly important for identity verification and access management. The pro…