Search Results for author: Chandresh Pravin

Found 4 papers, 0 papers with code

Fragility, Robustness and Antifragility in Deep Learning

no code implementations15 Dec 2023 Chandresh Pravin, Ivan Martino, Giuseppe Nicosia, Varun Ojha

We define three \textit{filtering scores} for quantifying the fragility, robustness and antifragility characteristics of DNN parameters based on the performances for (i) clean dataset, (ii) adversarial dataset, and (iii) the difference in performances of clean and adversarial datasets.

Adversarial Robustness in Deep Learning: Attacks on Fragile Neurons

no code implementations31 Jan 2022 Chandresh Pravin, Ivan Martino, Giuseppe Nicosia, Varun Ojha

In this paper, we evaluate the robustness of state-of-the-art image classification models trained on the MNIST and CIFAR10 datasets against the fast gradient sign method attack, a simple yet effective method of deceiving neural networks.

Adversarial Attack Adversarial Robustness +1

A novel ECG signal denoising filter selection algorithm based on conventional neural networks

no code implementations28 Jan 2022 Chandresh Pravin, Varun Ojha

ECG signals measured under clinical conditions, such as those acquired using skin contact devices in hospitals, often contain baseline signal disturbances and unwanted artefacts; indeed for signals obtained outside of a clinical environment, such as heart rate signatures recorded using non-contact radar systems, the measurements contain greater levels of noise than those acquired under clinical conditions.

Denoising

UoR at SemEval-2020 Task 4: Pre-trained Sentence Transformer Models for Commonsense Validation and Explanation

no code implementations SEMEVAL 2020 Thanet Markchom, Bhuvana Dhruva, Chandresh Pravin, HuiZhi Liang

SemEval Task 4 Commonsense Validation and Explanation Challenge is to validate whether a system can differentiate natural language statements that make sense from those that do not make sense.

Common Sense Reasoning Sentence

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