Search Results for author: Sohaib Ahmad

Found 5 papers, 3 papers with code

Game Theoretic Mixed Experts for Combinational Adversarial Machine Learning

1 code implementation26 Nov 2022 Ethan Rathbun, Kaleel Mahmood, Sohaib Ahmad, Caiwen Ding, Marten van Dijk

First, how can the low transferability between defenses be utilized in a game theoretic framework to improve the robustness?

Adversarial Defense

Privacy Attacks Against Biometric Models with Fewer Samples: Incorporating the Output of Multiple Models

no code implementations22 Sep 2022 Sohaib Ahmad, Benjamin Fuller, Kaleel Mahmood

By leveraging the output of multiple models, we are able to conduct model inversion attacks with 1/10th the training set size of Ahmad and Fuller (IJCB 2020) for iris data and 1/1000th the training set size of Mai et al. (Pattern Analysis and Machine Intelligence 2019) for facial data.

Inference Attack Membership Inference Attack

Resist : Reconstruction of irises from templates

1 code implementation31 Jul 2020 Sohaib Ahmad, Christopher Geiger, Benjamin Fuller

That is, we show how to transform templates into realistic looking iris images that are also deemed as the same iris by the corresponding recognition system.

Generative Adversarial Network Iris Recognition

ThirdEye: Triplet Based Iris Recognition without Normalization

1 code implementation13 Jul 2019 Sohaib Ahmad, Benjamin Fuller

We observe equal error rates of 1. 32%, 9. 20%, and 0. 59% on the ND-0405, UbirisV2, and IITD datasets respectively.

Iris Recognition

Unconstrained Iris Segmentation using Convolutional Neural Networks

no code implementations19 Dec 2018 Sohaib Ahmad, Benjamin Fuller

A small amount of retraining of the visible light model (using a few samples from a near-infrared dataset) yields a tuned network accurate in both settings.

Iris Recognition Iris Segmentation +1

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