activity
20172025
most citedApps Gone Rogue: Maintaining Personal Privacy in an Epidemic

73 citations · 118 across the 24 of their papers we have counts for

collaborators

26 papers

cs.CY2025

The Iceberg Index: Measuring Skills-centered Exposure in the AI Economy

Ayush Chopra, Santanu Bhattacharya, DeAndrea Salvador +7

Artificial Intelligence is reshaping America's $9.4 trillion labor market, with cascading effects that extend far beyond visible technology sectors. When AI transforms quality con…

cs.AI2025

Ripple Effect Protocol: Coordinating Agent Populations

Ayush Chopra, Aman Sharma, Feroz Ahmad +3

Modern AI agents can exchange messages using protocols such as A2A and ACP, yet these mechanisms emphasize communication over coordination. As agent populations grow, this limitati…

cs.NI2025

Upgrade or Switch: Do We Need a Next-Gen Trusted Architecture for the Internet of AI Agents?

Ramesh Raskar, Pradyumna Chari, Jared James Grogan +11

The emerging Internet of AI Agents challenges existing web infrastructure designed for human-scale, reactive interactions. Unlike traditional web resources, autonomous AI agents in…

cs.CE2024

A High-Resolution, US-scale Digital Similar of Interacting Livestock, Wild Birds, and Human Ecosystems with Applications to Multi-host Epidemic Spread

Abhijin Adiga, Ayush Chopra, Mandy L. Wilson +8

One Health issues, such as the spread of highly pathogenic avian influenza~(HPAI), present significant challenges at the human-animal-environmental interface. Recent H5N1 outbreaks…

cs.MA2024★ 2 cited

On the limits of agency in agent-based models

Ayush Chopra, Shashank Kumar, Nurullah Giray-Kuru +2

Agent-based modeling (ABM) offers powerful insights into complex systems, but its practical utility has been limited by computational constraints and simplistic agent behaviors, es…

cs.MA2024

Private Agent-Based Modeling

Ayush Chopra, Arnau Quera-Bofarull, Nurullah Giray-Kuru +2

The practical utility of agent-based models in decision-making relies on their capacity to accurately replicate populations while seamlessly integrating real-world data streams. Ye…

cs.MA2024

First 100 days of pandemic; an interplay of pharmaceutical, behavioral and digital interventions -- A study using agent based modeling

Gauri Gupta, Ritvik Kapila, Ayush Chopra +1

Pandemics, notably the recent COVID-19 outbreak, have impacted both public health and the global economy. A profound understanding of disease progression and efficient response str…

cs.LG2023

SARC: Soft Actor Retrospective Critic

Sukriti Verma, Ayush Chopra, Jayakumar Subramanian +4

The two-time scale nature of SAC, which is an actor-critic algorithm, is characterised by the fact that the critic estimate has not converged for the actor at any given time, but s…

cs.MA2023★ 1 cited

Bayesian calibration of differentiable agent-based models

Arnau Quera-Bofarull, Ayush Chopra, Anisoara Calinescu +2

Agent-based modelling (ABMing) is a powerful and intuitive approach to modelling complex systems; however, the intractability of ABMs' likelihood functions and the non-differentiab…

cs.LG2022★ 2 cited

Differentiable Agent-based Epidemiology

Ayush Chopra, Alexander Rodríguez, Jayakumar Subramanian +4

Mechanistic simulators are an indispensable tool for epidemiology to explore the behavior of complex, dynamic infections under varying conditions and navigate uncertain environment…

cs.CV2022★ 5 cited

On Conditioning the Input Noise for Controlled Image Generation with Diffusion Models

Vedant Singh, Surgan Jandial, Ayush Chopra +3

Conditional image generation has paved the way for several breakthroughs in image editing, generating stock photos and 3-D object generation. This continues to be a significant are…

cs.CV2022

Learning to Censor by Noisy Sampling

Ayush Chopra, Abhinav Java, Abhishek Singh +2

Point clouds are an increasingly ubiquitous input modality and the raw signal can be efficiently processed with recent progress in deep learning. This signal may, often inadvertent…

cs.CR2022★ 2 cited

Decouple-and-Sample: Protecting sensitive information in task agnostic data release

Abhishek Singh, Ethan Garza, Ayush Chopra +3

We propose sanitizer, a framework for secure and task-agnostic data release. While releasing datasets continues to make a big impact in various applications of computer vision, its…

cs.LG2021★ 14 cited

AdaSplit: Adaptive Trade-offs for Resource-constrained Distributed Deep Learning

Ayush Chopra, Surya Kant Sahu, Abhishek Singh +4

Distributed deep learning frameworks like federated learning (FL) and its variants are enabling personalized experiences across a wide range of web clients and mobile/IoT devices.…

cs.MA2021★ 1 cited

DeepABM: Scalable, efficient and differentiable agent-based simulations via graph neural networks

Ayush Chopra, Esma Gel, Jayakumar Subramanian +5

We introduce DeepABM, a framework for agent-based modeling that leverages geometric message passing of graph neural networks for simulating action and interactions over large agent…

cs.CV2021

ZFlow: Gated Appearance Flow-based Virtual Try-on with 3D Priors

Ayush Chopra, Rishabh Jain, Mayur Hemani +1

Image-based virtual try-on involves synthesizing perceptually convincing images of a model wearing a particular garment and has garnered significant research interest due to its im…

cs.LG2021

COVID-19 Outbreak Prediction and Analysis using Self Reported Symptoms

Rohan Sukumaran, Parth Patwa, T V Sethuraman +9

It is crucial for policymakers to understand the community prevalence of COVID-19 so combative resources can be effectively allocated and prioritized during the COVID-19 pandemic.…

cs.CV2020

DISCO: Dynamic and Invariant Sensitive Channel Obfuscation for deep neural networks

Abhishek Singh, Ayush Chopra, Vivek Sharma +4

Recent deep learning models have shown remarkable performance in image classification. While these deep learning systems are getting closer to practical deployment, the common assu…

cs.LG2020★ 5 cited

MixBoost: Synthetic Oversampling with Boosted Mixup for Handling Extreme Imbalance

Anubha Kabra, Ayush Chopra, Nikaash Puri +4

Training a classification model on a dataset where the instances of one class outnumber those of the other class is a challenging problem. Such imbalanced datasets are standard in…

eess.SP2020★ 11 cited

Proximity Sensing: Modeling and Understanding Noisy RSSI-BLE Signals and Other Mobile Sensor Data for Digital Contact Tracing

Sheshank Shankar, Rishank Kanaparti, Ayush Chopra +6

As we await a vaccine, social-distancing via efficient contact tracing has emerged as the primary health strategy to dampen the spread of COVID-19. To enable efficient digital cont…

cs.CV2020★ 1 cited

SAC: Semantic Attention Composition for Text-Conditioned Image Retrieval

Surgan Jandial, Pinkesh Badjatiya, Pranit Chawla +3

The ability to efficiently search for images is essential for improving the user experiences across various products. Incorporating user feedback, via multi-modal inputs, to naviga…

cs.CV2020

Retrospective Loss: Looking Back to Improve Training of Deep Neural Networks

Surgan Jandial, Ayush Chopra, Mausoom Sarkar +3

Deep neural networks (DNNs) are powerful learning machines that have enabled breakthroughs in several domains. In this work, we introduce a new retrospective loss to improve the tr…

cs.CV2020★ 1 cited

SimPropNet: Improved Similarity Propagation for Few-shot Image Segmentation

Siddhartha Gairola, Mayur Hemani, Ayush Chopra +1

Few-shot segmentation (FSS) methods perform image segmentation for a particular object class in a target (query) image, using a small set of (support) image-mask pairs. Recent deep…

cs.CR2020★ 73 cited

Apps Gone Rogue: Maintaining Personal Privacy in an Epidemic

Ramesh Raskar, Isabel Schunemann, Rachel Barbar +29

Containment, the key strategy in quickly halting an epidemic, requires rapid identification and quarantine of the infected individuals, determination of whom they have had close co…