Search Results for author: Anindya Sarkar

Found 11 papers, 7 papers with code

Attacks on Node Attributes in Graph Neural Networks

no code implementations19 Feb 2024 Ying Xu, Michael Lanier, Anindya Sarkar, Yevgeniy Vorobeychik

Graphs are commonly used to model complex networks prevalent in modern social media and literacy applications.

Contrastive Learning

A Partially Supervised Reinforcement Learning Framework for Visual Active Search

1 code implementation15 Oct 2023 Anindya Sarkar, Nathan Jacobs, Yevgeniy Vorobeychik

Visual active search (VAS) has been proposed as a modeling framework in which visual cues are used to guide exploration, with the goal of identifying regions of interest in a large geospatial area.

Meta-Learning reinforcement-learning

A Visual Active Search Framework for Geospatial Exploration

1 code implementation28 Nov 2022 Anindya Sarkar, Michael Lanier, Scott Alfeld, Jiarui Feng, Roman Garnett, Nathan Jacobs, Yevgeniy Vorobeychik

Many problems can be viewed as forms of geospatial search aided by aerial imagery, with examples ranging from detecting poaching activity to human trafficking.

Domain Adaptation

Reward Delay Attacks on Deep Reinforcement Learning

1 code implementation8 Sep 2022 Anindya Sarkar, Jiarui Feng, Yevgeniy Vorobeychik, Christopher Gill, Ning Zhang

We find that this mitigation remains insufficient to ensure robustness to attacks that delay, but preserve the order, of rewards.

Q-Learning reinforcement-learning +1

How Powerful are K-hop Message Passing Graph Neural Networks

1 code implementation26 May 2022 Jiarui Feng, Yixin Chen, Fuhai Li, Anindya Sarkar, Muhan Zhang

Recently, researchers extended 1-hop message passing to K-hop message passing by aggregating information from K-hop neighbors of nodes simultaneously.

Adversarial Robustness without Adversarial Training: A Teacher-Guided Curriculum Learning Approach

no code implementations NeurIPS 2021 Anindya Sarkar, Anirban Sarkar, Sowrya Gali, Vineeth N Balasubramanian

Current SOTA adversarially robust models are mostly based on adversarial training (AT) and differ only by some regularizers either at inner maximization or outer minimization steps.

Adversarial Robustness

Get Fooled for the Right Reason: Improving Adversarial Robustness through a Teacher-guided Curriculum Learning Approach

1 code implementation30 Oct 2021 Anindya Sarkar, Anirban Sarkar, Sowrya Gali, Vineeth N Balasubramanian

Current SOTA adversarially robust models are mostly based on adversarial training (AT) and differ only by some regularizers either at inner maximization or outer minimization steps.

Adversarial Robustness

A Framework for Learning Ante-hoc Explainable Models via Concepts

1 code implementation CVPR 2022 Anirban Sarkar, Deepak Vijaykeerthy, Anindya Sarkar, Vineeth N Balasubramanian

To the best of our knowledge, we are the first ante-hoc explanation generation method to show results with a large-scale dataset such as ImageNet.

Explainable Models Explanation Generation

Enhanced Regularizers for Attributional Robustness

1 code implementation28 Dec 2020 Anindya Sarkar, Anirban Sarkar, Vineeth N Balasubramanian

Deep neural networks are the default choice of learning models for computer vision tasks.

Enforcing Linearity in DNN succours Robustness and Adversarial Image Generation

no code implementations17 Oct 2019 Anindya Sarkar, Nikhil Kumar Gupta, Raghu Iyengar

Recent studies on the adversarial vulnerability of neural networks have shown that models trained with the objective of minimizing an upper bound on the worst-case loss over all possible adversarial perturbations improve robustness against adversarial attacks.

Adversarial Defense Image Generation +1

ODE guided Neural Data Augmentation Techniques for Time Series Data and its Benefits on Robustness

no code implementations15 Oct 2019 Anindya Sarkar, Anirudh Sunder Raj, Raghu Sesha Iyengar

Exploring adversarial attack vectors and studying their effects on machine learning algorithms has been of interest to researchers.

Adversarial Attack Data Augmentation +2

Cannot find the paper you are looking for? You can Submit a new open access paper.