Search Results for author: Yunhe Zhang

Found 4 papers, 2 papers with code

FGAD: Self-boosted Knowledge Distillation for An Effective Federated Graph Anomaly Detection Framework

no code implementations20 Feb 2024 Jinyu Cai, Yunhe Zhang, Zhoumin Lu, Wenzhong Guo, See-Kiong Ng

Although federated learning offers a promising solution, the prevalent non-IID problems and high communication costs present significant challenges, particularly pronounced in collaborations with graph data distributed among different participants.

Federated Learning Graph Anomaly Detection +1

Self-Discriminative Modeling for Anomalous Graph Detection

no code implementations10 Oct 2023 Jinyu Cai, Yunhe Zhang, Jicong Fan

Under the framework, we provide three algorithms with different computational efficiencies and stabilities for anomalous graph detection.

Anomaly Detection

Deep Orthogonal Hypersphere Compression for Anomaly Detection

1 code implementation13 Feb 2023 Yunhe Zhang, Yan Sun, Jinyu Cai, Jicong Fan

Many well-known and effective anomaly detection methods assume that a reasonable decision boundary has a hypersphere shape, which however is difficult to obtain in practice and is not sufficiently compact, especially when the data are in high-dimensional spaces.

Anomaly Detection

Efficient Deep Embedded Subspace Clustering

1 code implementation CVPR 2022 Jinyu Cai, Jicong Fan, Wenzhong Guo, Shiping Wang, Yunhe Zhang, Zhao Zhang

The proposed method is out of the self-expressive framework, scales to the sample size linearly, and is applicable to arbitrarily large datasets and online clustering scenarios.

Clustering Deep Clustering +1

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