A New Tensor Summary Statistic for Real-Time Detection of Stealthy Anomaly in Avatar Interaction

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成果类型：

期刊论文

作者：

Zeng, Jiuzhen;Yang, Laurence t.;Wang, Chao;Su, Junjie;Deng, Xianjun

通讯作者：

Yang, LT

作者机构：

[Zeng, Jiuzhen; Deng, Xianjun] Huazhong Univ Sci & Technol, Hubei Engn Res Ctr Big Data Secur, Sch Cyber Sci & Engn, Hubei Key Lab Distributed Syst Secur, Wuhan, Peoples R China.

[Yang, Laurence t.] Huazhong Univ Sci & Technol, Sch Cyber Sci & Engn, Wuhan, Peoples R China.

[Yang, Laurence t.] Zhengzhou Univ, Sch Comp & Artificial Intelligence, Zhengzhou, Peoples R China.

[Yang, Laurence t.] St Francis Xavier Univ, Dept Comp Sci, Antigonish, NS, Canada.

[Wang, Chao] Univ South China, Sch Elect Engn, Hengyang, Peoples R China.

通讯机构：

[Yang, LT ] H

Huazhong Univ Sci & Technol, Sch Cyber Sci & Engn, Wuhan, Peoples R China.

Zhengzhou Univ, Sch Comp & Artificial Intelligence, Zhengzhou, Peoples R China.

St Francis Xavier Univ, Dept Comp Sci, Antigonish, NS, Canada.

语种：

英文

关键词：

Stealthy anomalysummary statistictensoravatar interactionsecurity

期刊：

ACM TRANSACTIONS ON MULTIMEDIA COMPUTING COMMUNICATIONS AND APPLICATIONS

ISSN：

1551-6857

年：

2025

卷：

期：

页码：

1-23

DOI：

10.1145/3689429

基金类别：

National Key R&D Program of China [2022YFE0138600]

机构署名：

本校为其他机构

院系归属：

电气工程学院

摘要：

Avatar is one of the most intuitive central components in Metaverse and faces serious security problems, particularly during the interaction with each other. In this article, we consider the problem of timely detecting the stealthy anomaly in the avatar interaction, which is crucial for security and privacy in Metaverse. With this goal, a new tensor summary statistic is proposed first to well depict the statistical discrepancy between normal and anomalous interaction volume samples, even when anomalies are stealthy. The proposed tensor summary statistic is established from the tensor linear re...

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A New Tensor Summary Statistic for Real-Time Detection of Stealthy Anomaly in Avatar Interaction

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