activity
20222026
most citedDeep Isolation Forest for Anomaly Detection

541 citations · 564 across the 6 of their papers we have counts for

collaborators

6 papers

cs.LG2026

IMPACT: Influence Modeling for Open-Set Time Series Anomaly Detection

Xiaohui Zhou, Yijie Wang, Hongzuo Xu +3

Open-set anomaly detection (OSAD) is an emerging paradigm designed to utilize limited labeled data from anomaly classes seen in training to identify both seen and unseen anomalies…

cs.LG2024

Self-Supervised Spatial-Temporal Normality Learning for Time Series Anomaly Detection

Yutong Chen, Hongzuo Xu, Guansong Pang +3

Time Series Anomaly Detection (TSAD) finds widespread applications across various domains such as financial markets, industrial production, and healthcare. Its primary objective is…

cs.LG2023

RoSAS: Deep Semi-Supervised Anomaly Detection with Contamination-Resilient Continuous Supervision

Hongzuo Xu, Yijie Wang, Guansong Pang +3

Semi-supervised anomaly detection methods leverage a few anomaly examples to yield drastically improved performance compared to unsupervised models. However, they still suffer from…

cs.LG2023★ 6 cited

Fascinating Supervisory Signals and Where to Find Them: Deep Anomaly Detection with Scale Learning

Hongzuo Xu, Yijie Wang, Juhui Wei +3

Due to the unsupervised nature of anomaly detection, the key to fueling deep models is finding supervisory signals. Different from current reconstruction-guided generative models a…

cs.LG2022★ 17 cited

Calibrated One-class Classification for Unsupervised Time Series Anomaly Detection

Hongzuo Xu, Yijie Wang, Songlei Jian +3

Time series anomaly detection is instrumental in maintaining system availability in various domains. Current work in this research line mainly focuses on learning data normality de…

cs.LG2022★ 541 cited

Deep Isolation Forest for Anomaly Detection

Hongzuo Xu, Guansong Pang, Yijie Wang +1

Isolation forest (iForest) has been emerging as arguably the most popular anomaly detector in recent years due to its general effectiveness across different benchmarks and strong s…