Search Results for author: Raghu Mudumbai

Found 5 papers, 0 papers with code

An Information-Theoretic Explanation for the Adversarial Fragility of AI Classifiers

no code implementations27 Jan 2019 Hui Xie, Jirong Yi, Weiyu Xu, Raghu Mudumbai

We present a simple hypothesis about a compression property of artificial intelligence (AI) classifiers and present theoretical arguments to show that this hypothesis successfully accounts for the observed fragility of AI classifiers to small adversarial perturbations.

Derivation of Information-Theoretically Optimal Adversarial Attacks with Applications to Robust Machine Learning

no code implementations28 Jul 2020 Jirong Yi, Raghu Mudumbai, Weiyu Xu

We consider the theoretical problem of designing an optimal adversarial attack on a decision system that maximally degrades the achievable performance of the system as measured by the mutual information between the degraded signal and the label of interest.

Adversarial Attack BIG-bench Machine Learning +1

Optimal Pooling Matrix Design for Group Testing with Dilution (Row Degree) Constraints

no code implementations5 Aug 2020 Jirong Yi, Myung Cho, Xiaodong Wu, Raghu Mudumbai, Weiyu Xu

In this paper, we consider the problem of designing optimal pooling matrix for group testing (for example, for COVID-19 virus testing) with the constraint that no more than $r>0$ samples can be pooled together, which we call "dilution constraint".

Linear Progressive Coding for Semantic Communication using Deep Neural Networks

no code implementations27 Sep 2023 Eva Riherd, Raghu Mudumbai, Weiyu Xu

We propose a general method for semantic representation of images and other data using progressive coding.

Image Compression

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