Search Results for author: Aodong Li

Found 7 papers, 5 papers with code

Model Selection of Zero-shot Anomaly Detectors in the Absence of Labeled Validation Data

no code implementations16 Oct 2023 Clement Fung, Chen Qiu, Aodong Li, Maja Rudolph

In this work, we propose SWSA (Selection With Synthetic Anomalies): a general-purpose framework to select image-based anomaly detectors with a generated synthetic validation set.

Model Selection Unsupervised Anomaly Detection +1

Deep Anomaly Detection under Labeling Budget Constraints

1 code implementation15 Feb 2023 Aodong Li, Chen Qiu, Marius Kloft, Padhraic Smyth, Stephan Mandt, Maja Rudolph

Selecting informative data points for expert feedback can significantly improve the performance of anomaly detection (AD) in various contexts, such as medical diagnostics or fraud detection.

Anomaly Detection Fraud Detection

Latent Outlier Exposure for Anomaly Detection with Contaminated Data

1 code implementation16 Feb 2022 Chen Qiu, Aodong Li, Marius Kloft, Maja Rudolph, Stephan Mandt

We propose a strategy for training an anomaly detector in the presence of unlabeled anomalies that is compatible with a broad class of models.

Anomaly Detection Video Anomaly Detection

Detecting and Adapting to Irregular Distribution Shifts in Bayesian Online Learning

1 code implementation NeurIPS 2021 Aodong Li, Alex Boyd, Padhraic Smyth, Stephan Mandt

We consider the problem of online learning in the presence of distribution shifts that occur at an unknown rate and of unknown intensity.

Autonomous Navigation Change Point Detection

Variational Beam Search for Novelty Detection

no code implementations pproximateinference AABI Symposium 2021 Aodong Li, Alex James Boyd, Padhraic Smyth, Stephan Mandt

We consider the problem of online learning in the presence of sudden distribution shifts, which may be hard to detect and can lead to a slow but steady degradation in model performance.

Novelty Detection

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