Search Results for author: Charles Walter

Found 3 papers, 0 papers with code

Privacy Threats in Stable Diffusion Models

no code implementations15 Nov 2023 Thomas Cilloni, Charles Fleming, Charles Walter

Our methodology involves observing the output of a stable diffusion model at different generative epochs and training a classification model to distinguish when a series of intermediates originated from a training sample or not.

Image Generation

Focused Adversarial Attacks

no code implementations19 May 2022 Thomas Cilloni, Charles Walter, Charles Fleming

Adversarial algorithms are optimization problems that minimize the accuracy of ML models by perturbing inputs, often using a model's loss function to craft such perturbations.

object-detection Object Detection

Ulixes: Facial Recognition Privacy with Adversarial Machine Learning

no code implementations20 Oct 2020 Thomas Cilloni, Wei Wang, Charles Walter, Charles Fleming

In this paper we propose Ulixes, a strategy to generate visually non-invasive facial noise masks that yield adversarial examples, preventing the formation of identifiable user clusters in the embedding space of facial encoders.

BIG-bench Machine Learning Clustering +1

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