Deep Anomaly Detection via Active Anomaly Search
Authors: 
Chao Chen, Dawei Wang, Feng Mao, Jiacheng Xu, Zongzhang Zhang, and Yang YuAuthors Info & Claims
Chao Chen, Dawei Wang, Feng Mao, Jiacheng Xu, Zongzhang Zhang, and Yang YuAuthors Info & ClaimsMay 2024
Pages 308 - 316
Abstract
Anomaly detection (AD) holds substantial practical value, and considering the limited labeled data, the semi-supervised anomaly detection technique has garnered increasing attention. We find that previous methods suffer from insufficient exploitation of labeled data and under-exploration of unlabeled data. To tackle the above problem, we aim to search for possible anomalies in unlabeled data and use the searched anomalies to enhance performance. We innovatively model this search process as a Markov decision process and utilize a reinforcement learning algorithm to solve it. Our method, Deep Anomaly Detection and Search (DADS), integrates the exploration of unlabeled data and the exploitation of labeled data into one framework. Experimentally, we compare DADS with several state-of-the-art methods in widely used benchmarks, and the results show that DADS can efficiently search anomalies from unlabeled data and learn from them, thus achieving good performance. Code: https://github.com/LAMDA-RL/DADS
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Index Terms
- Deep Anomaly Detection via Active Anomaly Search
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Published In
May 2024
2898 pages
ISBN:9798400704864
- General Chairs:
- Mehdi Dastani,
- Jaime Simão Sichman,
- Program Chairs:
- Natasha Alechina,
- Virginia Dignum
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Publisher
International Foundation for Autonomous Agents and Multiagent Systems
Richland, SC
Publication History
Published: 06 May 2024
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- Research-article
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- National Natural Science Foundation of China
- Alibaba Research Fellowship Program
Conference
AAMAS '23
Sponsor:
AAMAS '23: International Conference on Autonomous Agents and Multiagent Systems
May 6 - 10, 2024
Auckland, New Zealand
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Overall Acceptance Rate 1,155 of 5,036 submissions, 23%
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