Search Results for author: Mrigank Raman

Found 11 papers, 4 papers with code

Turn Down the Noise: Leveraging Diffusion Models for Test-time Adaptation via Pseudo-label Ensembling

no code implementations29 Nov 2023 Mrigank Raman, Rohan Shah, Akash Kannan, Pranit Chawla

The goal of test-time adaptation is to adapt a source-pretrained model to a continuously changing target domain without relying on any source data.

Pseudo Label Test-time Adaptation

Bridging the Gap: Exploring the Capabilities of Bridge-Architectures for Complex Visual Reasoning Tasks

no code implementations31 Jul 2023 Kousik Rajesh, Mrigank Raman, Mohammed Asad Karim, Pranit Chawla

In recent times there has been a surge of multi-modal architectures based on Large Language Models, which leverage the zero shot generation capabilities of LLMs and project image embeddings into the text space and then use the auto-regressive capacity to solve tasks such as VQA, captioning, and image retrieval.

Image Retrieval Object +2

Model-tuning Via Prompts Makes NLP Models Adversarially Robust

1 code implementation13 Mar 2023 Mrigank Raman, Pratyush Maini, J. Zico Kolter, Zachary C. Lipton, Danish Pruthi

Across 5 NLP datasets, 4 adversarial attacks, and 3 different models, MVP improves performance against adversarial substitutions by an average of 8% over standard methods and even outperforms adversarial training-based state-of-art defenses by 3. 5%.

Adversarial Robustness Language Modelling +1

Generalization on Unseen Domains via Inference-Time Label-Preserving Target Projections

no code implementations CVPR 2021 Prashant Pandey, Mrigank Raman, Sumanth Varambally, Prathosh AP

Generalization of machine learning models trained on a set of source domains on unseen target domains with different statistics, is a challenging problem.

Domain Generalization

Domain Generalization via Inference-time Label-Preserving Target Projections

no code implementations1 Mar 2021 Prashant Pandey, Mrigank Raman, Sumanth Varambally, Prathosh AP

Generalization of machine learning models trained on a set of source domains on unseen target domains with different statistics, is a challenging problem.

Domain Generalization

Learning Contextualized Knowledge Graph Structures for Commonsense Reasoning

no code implementations1 Jan 2021 Jun Yan, Mrigank Raman, Tianyu Zhang, Ryan Rossi, Handong Zhao, Sungchul Kim, Nedim Lipka, Xiang Ren

Recently, neural-symbolic architectures have achieved success on commonsense reasoning through effectively encoding relational structures retrieved from external knowledge graphs (KGs) and obtained state-of-the-art results in tasks such as (commonsense) question answering and natural language inference.

Knowledge Graphs Natural Language Inference +1

Centralized active tracking of a Markov chain with unknown dynamics

no code implementations30 Oct 2020 Mrigank Raman, Ojal Kumar, Arpan Chattopadhyay

A Lagrangian relaxation of the problem is solved by an artful blending of two tools: Gibbs sampling for MSE minimization and an on-line version of expectation maximization (EM) to estimate the unknown TPM.

Discrepancy Minimization in Domain Generalization with Generative Nearest Neighbors

no code implementations28 Jul 2020 Prashant Pandey, Mrigank Raman, Sumanth Varambally, Prathosh AP

Features extracted from this source domain are learned using a generative model whose latent space is used as a sampler to retrieve the nearest neighbors for the target data points.

Domain Generalization

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