activity
20092025
most citedA Deep Generative Framework for Paraphrase Generation

134 citations · 459 across the 38 of their papers we have counts for

collaborators

53 papers

cs.LG2025

Shortcut Invariance: Targeted Jacobian Regularization in Disentangled Latent Space

Shivam Pal, Sakshi Varshney, Piyush Rai

Deep neural networks are prone to learning shortcuts, spurious correlations present in the training data that undermine out-of-distribution (OOD) generalization. Most prior work mi…

cs.CV2025

NOVO: Unlearning-Compliant Vision Transformers

Soumya Roy, Soumya Banerjee, Vinay Verma +3

Machine unlearning (MUL) refers to the problem of making a pre-trained model selectively forget some training instances or class(es) while retaining performance on the remaining da…

cs.LG2024

Spatio-Temporal Forecasting of PM2.5 via Spatial-Diffusion guided Encoder-Decoder Architecture

Malay Pandey, Vaishali Jain, Nimit Godhani +2

In many problem settings that require spatio-temporal forecasting, the values in the time-series not only exhibit spatio-temporal correlations but are also influenced by spatial di…

cs.LG2024

Federated Learning with Uncertainty and Personalization via Efficient Second-order Optimization

Shivam Pal, Aishwarya Gupta, Saqib Sarwar +1

Federated Learning (FL) has emerged as a promising method to collaboratively learn from decentralized and heterogeneous data available at different clients without the requirement…

cs.LG2024★ 1 cited

Robust Black-box Testing of Deep Neural Networks using Co-Domain Coverage

Aishwarya Gupta, Indranil Saha, Piyush Rai

Rigorous testing of machine learning models is necessary for trustworthy deployments. We present a novel black-box approach for generating test-suites for robust testing of deep ne…

cs.LG2023★ 1 cited

VERSE: Virtual-Gradient Aware Streaming Lifelong Learning with Anytime Inference

Soumya Banerjee, Vinay K. Verma, Avideep Mukherjee +3

Lifelong learning or continual learning is the problem of training an AI agent continuously while also preventing it from forgetting its previously acquired knowledge. Streaming li…

cs.LG2022★ 2 cited

A Probabilistic Framework for Lifelong Test-Time Adaptation

Dhanajit Brahma, Piyush Rai

Test-time adaptation (TTA) is the problem of updating a pre-trained source model at inference time given test input(s) from a different target domain. Most existing TTA approaches…

cs.CV2022★ 1 cited

Novel Class Discovery without Forgetting

K J Joseph, Sujoy Paul, Gaurav Aggarwal +4

Humans possess an innate ability to identify and differentiate instances that they are not familiar with, by leveraging and adapting the knowledge that they have acquired so far. I…

cs.LG2022

Federated Learning with Uncertainty via Distilled Predictive Distributions

Shrey Bhatt, Aishwarya Gupta, Piyush Rai

Most existing federated learning methods are unable to estimate model/predictive uncertainty since the client models are trained using the standard loss function minimization appro…

cs.CV2022

Spacing Loss for Discovering Novel Categories

K J Joseph, Sujoy Paul, Gaurav Aggarwal +4

Novel Class Discovery (NCD) is a learning paradigm, where a machine learning model is tasked to semantically group instances from unlabeled data, by utilizing labeled instances fro…

eess.IV2022★ 2 cited

Semi-Supervised Super-Resolution

Ankur Singh, Piyush Rai

Super-Resolution is the technique to improve the quality of a low-resolution photo by boosting its plausible resolution. The computer vision community has extensively explored the…

cs.LG2022★ 45 cited

DiffuseVAE: Efficient, Controllable and High-Fidelity Generation from Low-Dimensional Latents

Kushagra Pandey, Avideep Mukherjee, Piyush Rai +1

Diffusion probabilistic models have been shown to generate state-of-the-art results on several competitive image synthesis benchmarks but lack a low-dimensional, interpretable late…

cs.CV2021★ 18 cited

SITA: Single Image Test-time Adaptation

Ansh Khurana, Sujoy Paul, Piyush Rai +2

In Test-time Adaptation (TTA), given a source model, the goal is to adapt it to make better predictions for test instances from a different distribution than the source. Crucially,…

cs.LG2021★ 8 cited

Hypernetworks for Continual Semi-Supervised Learning

Dhanajit Brahma, Vinay Kumar Verma, Piyush Rai

Learning from data sequentially arriving, possibly in a non i.i.d. way, with changing task distribution over time is called continual learning. Much of the work thus far in continu…

cs.CL2021

Fine-Grained Emotion Prediction by Modeling Emotion Definitions

Gargi Singh, Dhanajit Brahma, Piyush Rai +1

In this paper, we propose a new framework for fine-grained emotion prediction in the text through emotion definition modeling. Our approach involves a multi-task learning framework…

cs.LG2021

Knowledge Consolidation based Class Incremental Online Learning with Limited Data

Mohammed Asad Karim, Vinay Kumar Verma, Pravendra Singh +2

We propose a novel approach for class incremental online learning in a limited data setting. This problem setting is challenging because of the following constraints: (1) Classes a…

cs.CV2021

Rectification-based Knowledge Retention for Continual Learning

Pravendra Singh, Pratik Mazumder, Piyush Rai +1

Deep learning models suffer from catastrophic forgetting when trained in an incremental learning setting. In this work, we propose a novel approach to address the task incremental…

cs.LG2021

Variational Rejection Particle Filtering

Rahul Sharma, Soumya Banerjee, Dootika Vats +1

We present a variational inference (VI) framework that unifies and leverages sequential Monte-Carlo (particle filtering) with \emph{approximate} rejection sampling to construct a f…

cs.LG2021

Efficient Feature Transformations for Discriminative and Generative Continual Learning

Vinay Kumar Verma, Kevin J Liang, Nikhil Mehta +2

As neural networks are increasingly being applied to real-world applications, mechanisms to address distributional shift and sequential task learning without forgetting are critica…

cs.LG2021★ 3 cited

CAM-GAN: Continual Adaptation Modules for Generative Adversarial Networks

Sakshi Varshney, Vinay Kumar Verma, Srijith P K +2

We present a continual learning approach for generative adversarial networks (GANs), by designing and leveraging parameter-efficient feature map transformations. Our approach is ba…

cs.CV2021

Few-Shot Lifelong Learning

Pratik Mazumder, Pravendra Singh, Piyush Rai

Many real-world classification problems often have classes with very few labeled training samples. Moreover, all possible classes may not be initially available for training, and m…

cs.CV2020

Towards Zero-Shot Learning with Fewer Seen Class Examples

Vinay Kumar Verma, Ashish Mishra, Anubha Pandey +2

We present a meta-learning based generative model for zero-shot learning (ZSL) towards a challenging setting when the number of training examples from each \emph{seen} class is ver…

cs.LG2020★ 2 cited

Generalized Adversarially Learned Inference

Yatin Dandi, Homanga Bharadhwaj, Abhishek Kumar +1

Allowing effective inference of latent vectors while training GANs can greatly increase their applicability in various downstream tasks. Recent approaches, such as ALI and BiGAN fr…

cs.CL2020★ 1 cited

P-SIF: Document Embeddings Using Partition Averaging

Vivek Gupta, Ankit Saw, Pegah Nokhiz +3

Simple weighted averaging of word vectors often yields effective representations for sentences which outperform sophisticated seq2seq neural models in many tasks. While it is desir…