Search Results for author: Atul Sharma

Found 8 papers, 1 papers with code

Leak and Learn: An Attacker's Cookbook to Train Using Leaked Data from Federated Learning

no code implementations26 Mar 2024 Joshua C. Zhao, Ahaan Dabholkar, Atul Sharma, Saurabh Bagchi

We demonstrate the effectiveness of both GI and LLL attacks in maliciously training models using the leaked data more accurately than a benign federated learning strategy.

Federated Learning

Position Control of Single Link Flexible Manipulator: A Functional Observer Based Sliding Mode Approach

no code implementations22 May 2023 Atul Sharma, S. Janardhanan

This paper proposes a functional observer-based sliding mode control technique for position control of a single-link flexible manipulator.

Position

The Resource Problem of Using Linear Layer Leakage Attack in Federated Learning

no code implementations CVPR 2023 Joshua C. Zhao, Ahmed Roushdy Elkordy, Atul Sharma, Yahya H. Ezzeldin, Salman Avestimehr, Saurabh Bagchi

We show that this resource overhead is caused by an incorrect perspective in all prior work that treats an attack on an aggregate update in the same way as an individual update with a larger batch size.

Federated Learning

LOKI: Large-scale Data Reconstruction Attack against Federated Learning through Model Manipulation

1 code implementation21 Mar 2023 Joshua C. Zhao, Atul Sharma, Ahmed Roushdy Elkordy, Yahya H. Ezzeldin, Salman Avestimehr, Saurabh Bagchi

When both FedAVG and secure aggregation are used, there is no current method that is able to attack multiple clients concurrently in a federated learning setting.

Federated Learning Reconstruction Attack

Lerna: Transformer Architectures for Configuring Error Correction Tools for Short- and Long-Read Genome Sequencing

no code implementations19 Dec 2021 Atul Sharma, Pranjal Jain, Ashraf Mahgoub, Zihan Zhou, Kanak Mahadik, Somali Chaterji

We also show that the alignment rate and assembly quality computed for the corrected reads are strongly negatively correlated with the perplexity, enabling the automated selection of k-mer values for better error correction, and hence, improved assembly quality.

Language Modelling

TESSERACT: Gradient Flip Score to Secure Federated Learning Against Model Poisoning Attacks

no code implementations19 Oct 2021 Atul Sharma, Wei Chen, Joshua Zhao, Qiang Qiu, Somali Chaterji, Saurabh Bagchi

The attack uses the intuition that simply by changing the sign of the gradient updates that the optimizer is computing, for a set of malicious clients, a model can be diverted from the optima to increase the test error rate.

Federated Learning Model Poisoning

Detection of Plant Leaf Disease Directly in the JPEG Compressed Domain using Transfer Learning Technique

no code implementations10 Jul 2021 Atul Sharma, Bulla Rajesh, Mohammed Javed

Therefore accurate and timely detection of leaf disease is very important to check the loss of the crops and meet the growing food demand of the people.

Image Classification Transfer Learning

Performance Based Evaluation of Various Machine Learning Classification Techniques for Chronic Kidney Disease Diagnosis

no code implementations28 Jun 2016 Sahil Sharma, Vinod Sharma, Atul Sharma

In order to calculate efficiency, results of the prediction by candidate methods were compared with the actual medical results of the subject. The various metrics used for performance evaluation are predictive accuracy, precision, sensitivity and specificity.

BIG-bench Machine Learning General Classification +2

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