Search Results for author: Abhishek Chakraborty

Found 3 papers, 0 papers with code

DynaMarks: Defending Against Deep Learning Model Extraction Using Dynamic Watermarking

no code implementations27 Jul 2022 Abhishek Chakraborty, Daniel Xing, Yuntao Liu, Ankur Srivastava

The functionality of a deep learning (DL) model can be stolen via model extraction where an attacker obtains a surrogate model by utilizing the responses from a prediction API of the original model.

Model extraction

Robust and Attack Resilient Logic Locking with a High Application-Level Impact

no code implementations7 Jan 2021 Yuntao Liu, Michael Zuzak, Yang Xie, Abhishek Chakraborty, Ankur Srivastava

(3) Our experiments show that SAS and RSAS exhibit better SAT resilience than SFLL and have similar effectiveness.

Cryptography and Security Hardware Architecture Formal Languages and Automata Theory

Sparse Representations of Positive Functions via First and Second-Order Pseudo-Mirror Descent

no code implementations13 Nov 2020 Abhishek Chakraborty, Ketan Rajawat, Alec Koppel

We consider expected risk minimization problems when the range of the estimator is required to be nonnegative, motivated by the settings of maximum likelihood estimation (MLE) and trajectory optimization.

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