Vivek
Ramanujan

PhD student at the University of Washington, working with Ali Farhadi and Ludwig Schmidt on robust machine learning. Previously predoctoral researcher at AI2.

Vivek Ramanujan

Research

* denotes equal contribution

Neural Priming for Sample-Efficient Adaptation
Matthew Wallingford*, Vivek Ramanujan*, Alex Fang, Aditya Kusupati, Roozbeh Mottaghi, Aniruddha Kembhavi, Ludwig Schmidt, Ali Farhadi
NeurIPS 2023
Enabling large pretrained models to adapt to distribution shifts with minimal labeled data.
DataComp: In Search of the Next Generation of Multimodal Datasets
Samir Yitzhak Gadre*, Gabriel Ilharco*, Alex Fang*,... Jonathan Hayase, Georgios Smyrnis, Thao Nguyen, Ryan Marten, Mitchell Wortsman, Dhruba Ghosh, Jieyu Zhang, Eyal Orgad, Rahim Entezari, Giannis Daras, Sarah Pratt, Vivek Ramanujan,... Yonatan Bitton, Kalyani Marathe, Stephen Mussmann, Richard Vencu, Mehdi Cherti, Ranjay Krishna, Pang Wei Koh, Olga Saukh, Alexander Ratner, Shuran Song, Hannaneh Hajishirzi, Ali Farhadi, Romain Beaumont, Sewoong Oh, Alex Dimakis, Jenia Jitsev, Yair Carmon, Vaishaal Shankar, Ludwig Schmidt
NeurIPS 2023 — Datasets Track
A benchmark for multimodal dataset creation with 12.8B image-text pairs. DataComp-1B achieves 79.2% zero-shot ImageNet accuracy.
Neural Radiance Field Codebooks
Matthew Wallingford, Aditya Kusupati, Alex Fang, Vivek Ramanujan, Aniruddha Kembhavi, Roozbeh Mottaghi, Ali Farhadi
ICLR 2023
Learning object-centric representations through novel view reconstruction using a dictionary of object codes.
Matryoshka Representations for Adaptive Deployment
Aditya Kusupati, Gantavya Bhatt, Aniket Rege, Matthew Wallingford, Aditya Sinha, Vivek Ramanujan, William Howard-Snyder, Kaifeng Chen, Sham Kakade, Prateek Jain, Ali Farhadi
NeurIPS 2022
Flexible representations that adapt to multiple downstream tasks with varying computational resources.
Supermasks in Superposition
Mitchell Wortsman*, Vivek Ramanujan*, Rosanne Liu, Aniruddha Kembhavi, Mohammad Rastegari, Jason Yosinski, Ali Farhadi
NeurIPS 2020
Hidden networks for continual learning—learning thousands of tasks without catastrophic forgetting.

Service

Reviewer CVPR 2025, ICLR 2024, NeurIPS 2024
Teaching CS146 Computer Vision, CS142 ML, CS141 Applied AI, CS2951K Deep Learning