activity
20182026
most citedUnravelling Robustness of Deep Learning based Face Recognition Against Adversarial Attacks

65 citations · 207 across the 20 of their papers we have counts for

collaborators

23 papers

cs.RO2026

Dynamics Aware Quadrupedal Locomotion via Intrinsic Dynamics Head

Aman Arora, Nalini Ratha

Quadrupedal locomotion plays a critical role in enabling agile, versatile movement across complex terrains. Understanding and estimating the underlying physical dynamics are essent…

cs.CR2026

Multimodal Privacy-Preserving Entity Resolution with Fully Homomorphic Encryption

Susim Roy, Nalini Ratha

The canonical challenge of entity resolution within high-compliance sectors, where secure identity reconciliation is frequently confounded by significant data heterogeneity, includ…

cs.CV2026

Forget Less by Learning Together through Concept Consolidation

Arjun Ramesh Kaushik, Naresh Kumar Devulapally, Vishnu Suresh Lokhande +2

Custom Diffusion Models (CDMs) have gained significant attention due to their remarkable ability to personalize generative processes. However, existing CDMs suffer from catastrophi…

cs.CV2026

Learning Action Hierarchies via Hybrid Geometric Diffusion

Arjun Ramesh Kaushik, Nalini K. Ratha, Venu Govindaraju

Temporal action segmentation is a critical task in video understanding, where the goal is to assign action labels to each frame in a video. While recent advances leverage iterative…

cs.CV2026

Forget Less by Learning from Parents Through Hierarchical Relationships

Arjun Ramesh Kaushik, Naresh Kumar Devulapally, Vishnu Suresh Lokhande +2

Custom Diffusion Models (CDMs) offer impressive capabilities for personalization in generative modeling, yet they remain vulnerable to catastrophic forgetting when learning new con…

cs.CR2025

Shielding Latent Face Representations From Privacy Attacks

Arjun Ramesh Kaushik, Bharat Chandra Yalavarthi, Arun Ross +2

In today's data-driven analytics landscape, deep learning has become a powerful tool, with latent representations, known as embeddings, playing a central role in several applicatio…

cs.CV2024

Aligning Characteristic Descriptors with Images for Human-Expert-like Explainability

Bharat Chandra Yalavarthi, Nalini Ratha

In mission-critical domains such as law enforcement and medical diagnosis, the ability to explain and interpret the outputs of deep learning models is crucial for ensuring user tru…

cs.CL2024

Enhancing Authorship Attribution through Embedding Fusion: A Novel Approach with Masked and Encoder-Decoder Language Models

Arjun Ramesh Kaushik, Sunil Rufus R P, Nalini Ratha

The increasing prevalence of AI-generated content alongside human-written text underscores the need for reliable discrimination methods. To address this challenge, we propose a nov…

cs.CR2024

Towards Building Secure UAV Navigation with FHE-aware Knowledge Distillation

Arjun Ramesh Kaushik, Charanjit Jutla, Nalini Ratha

In safeguarding mission-critical systems, such as Unmanned Aerial Vehicles (UAVs), preserving the privacy of path trajectories during navigation is paramount. While the combination…

cs.CR2024

Confidential and Protected Disease Classifier using Fully Homomorphic Encryption

Aditya Malik, Nalini Ratha, Bharat Yalavarthi +3

With the rapid surge in the prevalence of Large Language Models (LLMs), individuals are increasingly turning to conversational AI for initial insights across various domains, inclu…

cs.CR2024

Enhancing Privacy and Security of Autonomous UAV Navigation

Vatsal Aggarwal, Arjun Ramesh Kaushik, Charanjit Jutla +1

Autonomous Unmanned Aerial Vehicles (UAVs) have become essential tools in defense, law enforcement, disaster response, and product delivery. These autonomous navigation systems req…

cs.CR2024★ 1 cited

Enhancing Privacy in Face Analytics Using Fully Homomorphic Encryption

Bharat Yalavarthi, Arjun Ramesh Kaushik, Arun Ross +2

Modern face recognition systems utilize deep neural networks to extract salient features from a face. These features denote embeddings in latent space and are often stored as templ…

cs.CV2023★ 17 cited

RidgeBase: A Cross-Sensor Multi-Finger Contactless Fingerprint Dataset

Bhavin Jawade, Deen Dayal Mohan, Srirangaraj Setlur +2

Contactless fingerprint matching using smartphone cameras can alleviate major challenges of traditional fingerprint systems including hygienic acquisition, portability and presenta…

cs.CV2022

HEFT: Homomorphically Encrypted Fusion of Biometric Templates

Luke Sperling, Nalini Ratha, Arun Ross +1

This paper proposes a non-interactive end-to-end solution for secure fusion and matching of biometric templates using fully homomorphic encryption (FHE). Given a pair of encrypted…

cs.CR2021★ 2 cited

Efficient Encrypted Inference on Ensembles of Decision Trees

Kanthi Sarpatwar, Karthik Nandakumar, Nalini Ratha +4

Data privacy concerns often prevent the use of cloud-based machine learning services for sensitive personal data. While homomorphic encryption (HE) offers a potential solution by e…

cs.CR2021★ 3 cited

Efficient CNN Building Blocks for Encrypted Data

Nayna Jain, Karthik Nandakumar, Nalini Ratha +2

Machine learning on encrypted data can address the concerns related to privacy and legality of sharing sensitive data with untrustworthy service providers. Fully Homomorphic Encryp…

cs.CR2020

Securing CNN Model and Biometric Template using Blockchain

Akhil Goel, Akshay Agarwal, Mayank Vatsa +2

Blockchain has emerged as a leading technology that ensures security in a distributed framework. Recently, it has been shown that blockchain can be used to convert traditional bloc…

cs.CV2019★ 40 cited

Deep Learning for Face Recognition: Pride or Prejudiced?

Shruti Nagpal, Maneet Singh, Richa Singh +1

Do very high accuracies of deep networks suggest pride of effective AI or are deep networks prejudiced? Do they suffer from in-group biases (own-race-bias and own-age-bias), and mi…

cs.CV2019★ 34 cited

Diversity in Faces

Michele Merler, Nalini Ratha, Rogerio S. Feris +1

Face recognition is a long standing challenge in the field of Artificial Intelligence (AI). The goal is to create systems that accurately detect, recognize, verify, and understand…

cs.CV2018★ 45 cited

Understanding Unequal Gender Classification Accuracy from Face Images

Vidya Muthukumar, Tejaswini Pedapati, Nalini Ratha +7

Recent work shows unequal performance of commercial face classification services in the gender classification task across intersectional groups defined by skin type and gender. Acc…

cs.CV2018

Recognizing Disguised Faces in the Wild

Maneet Singh, Richa Singh, Mayank Vatsa +2

Research in face recognition has seen tremendous growth over the past couple of decades. Beginning from algorithms capable of performing recognition in constrained environments, th…

cs.CV2018

Heterogeneity Aware Deep Embedding for Mobile Periocular Recognition

Rishabh Garg, Yashasvi Baweja, Soumyadeep Ghosh +3

Mobile biometric approaches provide the convenience of secure authentication with an omnipresent technology. However, this brings an additional challenge of recognizing biometric p…

cs.CV2018★ 65 cited

Unravelling Robustness of Deep Learning based Face Recognition Against Adversarial Attacks

Gaurav Goswami, Nalini Ratha, Akshay Agarwal +2

Deep neural network (DNN) architecture based models have high expressive power and learning capacity. However, they are essentially a black box method since it is not easy to mathe…