Search Results for author: Jeffrey Jiang

Found 5 papers, 3 papers with code

PureGen: Universal Data Purification for Train-Time Poison Defense via Generative Model Dynamics

1 code implementation28 May 2024 Sunay Bhat, Jeffrey Jiang, Omead Pooladzandi, Alexander Branch, Gregory Pottie

Train-time data poisoning attacks threaten machine learning models by introducing adversarial examples during training, leading to misclassification.

Data Poisoning Denoising

PureEBM: Universal Poison Purification via Mid-Run Dynamics of Energy-Based Models

1 code implementation28 May 2024 Omead Pooladzandi, Jeffrey Jiang, Sunay Bhat, Gregory Pottie

Data poisoning attacks pose a significant threat to the integrity of machine learning models by leading to misclassification of target distribution data by injecting adversarial examples during training.

Data Poisoning

Towards Composable Distributions of Latent Space Augmentations

no code implementations6 Mar 2023 Omead Pooladzandi, Jeffrey Jiang, Sunay Bhat, Gregory Pottie

We propose a composable framework for latent space image augmentation that allows for easy combination of multiple augmentations.

Image Augmentation Image Classification

Causal Structural Hypothesis Testing and Data Generation Models

1 code implementation20 Oct 2022 Jeffrey Jiang, Omead Pooladzandi, Sunay Bhat, Gregory Pottie

We show that the variational version of the architecture, Causal Structural Variational Hypothesis Testing can improve performance in low SNR regimes.

Out-of-Distribution Generalization

De-Biasing Generative Models using Counterfactual Methods

no code implementations4 Jul 2022 Sunay Bhat, Jeffrey Jiang, Omead Pooladzandi, Gregory Pottie

Our proposed method combines a causal latent space VAE model with specific modification to emphasize causal fidelity, enabling finer control over the causal layer and the ability to learn a robust intervention framework.

counterfactual Disentanglement

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