Search Results for author: Timo Bremer

Found 6 papers, 0 papers with code

Instance-wise Linearization of Neural Network for Model Interpretation

no code implementations25 Oct 2023 Zhimin Li, Shusen Liu, Kailkhura Bhavya, Timo Bremer, Valerio Pascucci

For a neural network model, the non-linear behavior is often caused by non-linear activation units of a model.

Dimensionality Reduction

A Statistical Mechanics Framework for Task-Agnostic Sample Design in Machine Learning

no code implementations NeurIPS 2020 Bhavya Kailkhura, Jayaraman J. Thiagarajan, Qunwei Li, Jize Zhang, Yi Zhou, Timo Bremer

Using this framework, we show that space-filling sample designs, such as blue noise and Poisson disk sampling, which optimize spectral properties, outperform random designs in terms of the generalization gap and characterize this gain in a closed-form.

BIG-bench Machine Learning

MimicGAN: Robust Projection onto Image Manifolds with Corruption Mimicking

no code implementations16 Dec 2019 Rushil Anirudh, Jayaraman J. Thiagarajan, Bhavya Kailkhura, Timo Bremer

However, PGD is a brittle optimization technique that fails to identify the right projection (or latent vector) when the observation is corrupted, or perturbed even by a small amount.

Adversarial Defense Anomaly Detection +2

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