8 citations · 30 across the 23 of their papers we have counts for
29 papers
Facial Age Estimation for Age Fraud Detection in National ID Systems
Sharib Athar, Arka Koner, Chetan Naik +4
Identity fraud during biometric enrollment and updates remains a major challenge for large-scale national identity systems. A common fraud vector is misrepresenting one's age to ac…
RetailSMV: Exocentric vs. Egocentric Adaptation of Foundation Video World Models in Retail
Amirreza Rouhi, Rajat Aggarwal, Parikshit Sakurikar +2
Foundation video diffusion models are increasingly viewed as world simulators for embodied agents, yet their pretraining on internet-scale generic video leaves them poorly aligned…
AQIFormer: A Transformer-Based Multi-View Architecture for Cross-City Air Quality Classification
Om Kathalkar, Nitin Nilesh, Sachin Chaudhari +1
Air pollution represents one of the most critical environmental and public health challenges globally, with traditional sensor-based monitoring systems facing significant scalabili…
SABER: A Scalable Action-Based Embodied Dataset for Real-World VLA Adaptation
Narsimha Menga, Parikshit Sakurikar, Amirreza Rouhi +6
Robotic deployment in real-world environments depends on rich, domain-specific action data as much as on strong model architecture. General-purpose robot foundation models show mod…
Towards Billion-scale Multi-modal Biometric Search
Arka Koner, Chetan S. Naik, Lokesh Kurre +5
Searching a multi-biometric database of a billion records for a country-level identity system requires pushing the limits of all aspects of a biometric system, including acquisitio…
PRISM: A Multi-View Multi-Capability Retail Video Dataset for Embodied Vision-Language Models
Amirreza Rouhi, Parikshit Sakurikar, Satya Sai Reddy +6
A critical gap exists between the general-purpose visual understanding of state-of-the-art physical AI models and the specialized perceptual demands of structured real-world deploy…
Illumination-Aware Contactless Fingerprint Spoof Detection via Paired Flash-Non-Flash Imaging
Roja Sahoo, Anoop Namboodiri
Contactless fingerprint recognition enables hygienic and convenient biometric authentication but poses new challenges for spoof detection due to the absence of physical contact and…
Fusion2Print: Deep Flash-Non-Flash Fusion for Contactless Fingerprint Matching
Roja Sahoo, Anoop Namboodiri
Contactless fingerprint recognition offers a hygienic and convenient alternative to contact-based systems, enabling rapid acquisition without latent prints, pressure artifacts, or…
PS-StyleGAN: Illustrative Portrait Sketching using Attention-Based Style Adaptation
Kushal Kumar Jain, Ankith Varun J, Anoop Namboodiri
Portrait sketching involves capturing identity specific attributes of a real face with abstract lines and shades. Unlike photo-realistic images, a good portrait sketch generation m…
CLIP4Sketch: Enhancing Sketch to Mugshot Matching through Dataset Augmentation using Diffusion Models
Kushal Kumar Jain, Steve Grosz, Anoop M. Namboodiri +1
Forensic sketch-to-mugshot matching is a challenging task in face recognition, primarily hindered by the scarcity of annotated forensic sketches and the modality gap between sketch…
Enhancement-Driven Pretraining for Robust Fingerprint Representation Learning
Ekta Gavas, Kaustubh Olpadkar, Anoop Namboodiri
Fingerprint recognition stands as a pivotal component of biometric technology, with diverse applications from identity verification to advanced search tools. In this paper, we prop…
AdvGen: Physical Adversarial Attack on Face Presentation Attack Detection Systems
Sai Amrit Patnaik, Shivali Chansoriya, Anil K. Jain +1
Evaluating the risk level of adversarial images is essential for safely deploying face authentication models in the real world. Popular approaches for physical-world attacks, such…
Finger-UNet: A U-Net based Multi-Task Architecture for Deep Fingerprint Enhancement
Ekta Gavas, Anoop Namboodiri
For decades, fingerprint recognition has been prevalent for security, forensics, and other biometric applications. However, the availability of good-quality fingerprints is challen…
Transformer based Fingerprint Feature Extraction
Saraansh Tandon, Anoop Namboodiri
Fingerprint feature extraction is a task that is solved using either a global or a local representation. State-of-the-art global approaches use heavy deep learning models to proces…
A Unified Model for Fingerprint Authentication and Presentation Attack Detection
Additya Popli, Saraansh Tandon, Joshua J. Engelsma +3
Typical fingerprint recognition systems are comprised of a spoof detection module and a subsequent recognition module, running one after the other. In this paper, we reformulate th…
Reducing the Variance of Variational Estimates of Mutual Information by Limiting the Critic's Hypothesis Space to RKHS
P Aditya Sreekar, Ujjwal Tiwari, Anoop Namboodiri
Mutual information (MI) is an information-theoretic measure of dependency between two random variables. Several methods to estimate MI, from samples of two random variables with un…
Mutual Information Based Method for Unsupervised Disentanglement of Video Representation
P Aditya Sreekar, Ujjwal Tiwari, Anoop Namboodiri
Video Prediction is an interesting and challenging task of predicting future frames from a given set context frames that belong to a video sequence. Video prediction models have fo…
Understanding Dynamic Scenes using Graph Convolution Networks
Sravan Mylavarapu, Mahtab Sandhu, Priyesh Vijayan +3
We present a novel Multi-Relational Graph Convolutional Network (MRGCN) based framework to model on-road vehicle behaviors from a sequence of temporally ordered frames as grabbed b…
Towards Accurate Vehicle Behaviour Classification With Multi-Relational Graph Convolutional Networks
Sravan Mylavarapu, Mahtab Sandhu, Priyesh Vijayan +3
Understanding on-road vehicle behaviour from a temporal sequence of sensor data is gaining in popularity. In this paper, we propose a pipeline for understanding vehicle behaviour f…
Universal Material Translator: Towards Spoof Fingerprint Generalization
Rohit Gajawada, Additya Popli, Tarang Chugh +2
Spoof detectors are classifiers that are trained to distinguish spoof fingerprints from bonafide ones. However, state of the art spoof detectors do not generalize well on unseen sp…
CineFilter: Unsupervised Filtering for Real Time Autonomous Camera Systems
Sudheer Achary, K L Bhanu Moorthy, Syed Ashar Javed +3
Autonomous camera systems are often subjected to an optimization/filtering operation to smoothen and stabilize the rough trajectory estimates. Most common filtering techniques do r…
Multiple Kernel Fisher Discriminant Metric Learning for Person Re-identification
T M Feroz Ali, Kalpesh K Patel, Rajbabu Velmurugan +1
Person re-identification addresses the problem of matching pedestrian images across disjoint camera views. Design of feature descriptor and distance metric learning are the two fun…
IDD: A Dataset for Exploring Problems of Autonomous Navigation in Unconstrained Environments
Girish Varma, Anbumani Subramanian, Anoop Namboodiri +2
While several datasets for autonomous navigation have become available in recent years, they tend to focus on structured driving environments. This usually corresponds to well-deli…
Hybrid Binary Networks: Optimizing for Accuracy, Efficiency and Memory
Ameya Prabhu, Vishal Batchu, Rohit Gajawada +2
Binarization is an extreme network compression approach that provides large computational speedups along with energy and memory savings, albeit at significant accuracy costs. We in…