Search Results for author: Billy Joe Franks

Found 6 papers, 3 papers with code

Exposing Outlier Exposure: What Can Be Learned From Few, One, and Zero Outlier Images

1 code implementation23 May 2022 Philipp Liznerski, Lukas Ruff, Robert A. Vandermeulen, Billy Joe Franks, Klaus-Robert Müller, Marius Kloft

We find that standard classifiers and semi-supervised one-class methods trained to discern between normal samples and relatively few random natural images are able to outperform the current state of the art on an established AD benchmark with ImageNet.

 Ranked #1 on Anomaly Detection on One-class CIFAR-10 (using extra training data)

Anomaly Detection

A systematic approach to random data augmentation on graph neural networks

no code implementations8 Dec 2021 Billy Joe Franks, Markus Anders, Marius Kloft, Pascal Schweitzer

On the theoretical side, among other results, we formally prove that under natural conditions all instantiations of our framework are universal.

Data Augmentation

Explainable Deep One-Class Classification

2 code implementations ICLR 2021 Philipp Liznerski, Lukas Ruff, Robert A. Vandermeulen, Billy Joe Franks, Marius Kloft, Klaus-Robert Müller

Deep one-class classification variants for anomaly detection learn a mapping that concentrates nominal samples in feature space causing anomalies to be mapped away.

Ranked #5 on Anomaly Detection on One-class ImageNet-30 (using extra training data)

Classification General Classification +2

Rethinking Assumptions in Deep Anomaly Detection

1 code implementation30 May 2020 Lukas Ruff, Robert A. Vandermeulen, Billy Joe Franks, Klaus-Robert Müller, Marius Kloft

Though anomaly detection (AD) can be viewed as a classification problem (nominal vs. anomalous) it is usually treated in an unsupervised manner since one typically does not have access to, or it is infeasible to utilize, a dataset that sufficiently characterizes what it means to be "anomalous."

Anomaly Detection

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