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  1. Article

    An accelerated proximal algorithm for regularized nonconvex and nonsmooth bi-level optimization

    Many important machine learning applications involve regularized nonconvex bi-level optimization. However, the existing gradient-based bi-level optimization algorithms cannot handle nonconvex or nonsmooth regu...

    Ziyi Chen, Bhavya Kailkhura, Yi Zhou in Machine Learning (2023)

  2. Article

    Open Access

    Explainable machine learning in materials science

    Machine learning models are increasingly used in materials studies because of their exceptional accuracy. However, the most accurate machine learning models are usually difficult to explain. Remedies to this p...

    **aoting Zhong, Brian Gallagher, Shusen Liu in npj Computational Materials (2022)

  3. No Access

    Chapter and Conference Paper

    A Spectral View of Randomized Smoothing Under Common Corruptions: Benchmarking and Improving Certified Robustness

    Certified robustness guarantee gauges a model’s resistance to test-time attacks and can assess the model’s readiness for deployment in the real world. In this work, we explore a new problem setting to critical...

    Jiachen Sun, Akshay Mehra, Bhavya Kailkhura, Pin-Yu Chen in Computer Vision – ECCV 2022 (2022)

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    Article

    MimicGAN: Robust Projection onto Image Manifolds with Corruption Mimicking

    In the past few years, Generative Adversarial Networks (GANs) have dramatically advanced our ability to represent and parameterize high-dimensional, non-linear image manifolds. As a result, they have been wide...

    Rushil Anirudh, Jayaraman J. Thiagarajan in International Journal of Computer Vision (2020)

  5. Article

    Open Access

    Reliable and explainable machine-learning methods for accelerated material discovery

    Despite ML’s impressive performance in commercial applications, several unique challenges exist when applying ML in materials science applications. In such a context, the contributions of this work are twofold...

    Bhavya Kailkhura, Brian Gallagher, Sookyung Kim in npj Computational Materials (2019)

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    Chapter

    Background

    This chapter introduces the mathematical background of conventional inference by describing the typical inference problems of detection, estimation, classification, and tracking. Specific challenges associated...

    Aditya Vempaty, Bhavya Kailkhura in Secure Networked Inference with Unreliable… (2018)

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    Chapter

    Introduction

    We are living in an increasingly networked world with sensing networks that are often comprised of numerous sensing devices (or agents) of varying sizes, communicating with each other via different topologies....

    Aditya Vempaty, Bhavya Kailkhura in Secure Networked Inference with Unreliable… (2018)

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    Chapter

    Some Additional Topics on Distributed Inference

    While the previous two chapters considered the problems of distributed detection and estimation in the presence of Byzantines and with binary quantized data, this chapter focuses on their generalizations. Spec...

    Aditya Vempaty, Bhavya Kailkhura in Secure Networked Inference with Unreliable… (2018)

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    Chapter

    Distributed Estimation and Target Localization

    In this chapter, distributed parameter estimation problems are discussed with special emphasis on target localization in WSNs. Following the structure outlined in Chap. 2

    Aditya Vempaty, Bhavya Kailkhura in Secure Networked Inference with Unreliable… (2018)

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    Chapter

    Distributed Inference with Unreliable Data: Some Unconventional Directions

    In this chapter, some recent directions in networked inference with Byzantines are discussed. More specifically, the concept of Friendly Byzantines is presented where cooperative Byzantines are intentionally intr...

    Aditya Vempaty, Bhavya Kailkhura in Secure Networked Inference with Unreliable… (2018)

  11. No Access

    Chapter

    Distributed Detection with Unreliable Data Sources

    In this chapter, we discuss networked detection problems for several practical network architectures such as parallel, multi-hop, and fully autonomous ad hoc networks. Following the taxonomy presented earlier,...

    Aditya Vempaty, Bhavya Kailkhura in Secure Networked Inference with Unreliable… (2018)