Search Results for author: Philipp Liznerski

Found 4 papers, 2 papers with code

Reimagining Anomalies: What If Anomalies Were Normal?

no code implementations22 Feb 2024 Philipp Liznerski, Saurabh Varshneya, Ece Calikus, Sophie Fellenz, Marius Kloft

Deep learning-based methods have achieved a breakthrough in image anomaly detection, but their complexity introduces a considerable challenge to understanding why an instance is predicted to be anomalous.

Anomaly Detection counterfactual

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

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

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