期刊
SENSORS
卷 22, 期 16, 页码 -出版社
MDPI
DOI: 10.3390/s22166080
关键词
crowd; anomaly detection; abnormal behavior; surveillance system; CCTV
资金
- Deanship of Scientific Research, Qassim University
This paper provides a detailed review of recent developments in anomaly detection methods from the perspective of computer vision, based on different available datasets. A new taxonomic organization of existing works in crowd analysis and anomaly detection is introduced. A summary of existing reviews and datasets related to anomaly detection is listed, covering an overview of different crowd concepts, types of anomalies, and surveillance systems. Additionally, research trends and future work prospects are analyzed.
With the widespread use of closed-circuit television (CCTV) surveillance systems in public areas, crowd anomaly detection has become an increasingly critical aspect of the intelligent video surveillance system. It requires workforce and continuous attention to decide on the captured event, which is hard to perform by individuals. The available literature on human action detection includes various approaches to detect abnormal crowd behavior, which is articulated as an outlier detection problem. This paper presents a detailed review of the recent development of anomaly detection methods from the perspectives of computer vision on different available datasets. A new taxonomic organization of existing works in crowd analysis and anomaly detection has been introduced. A summarization of existing reviews and datasets related to anomaly detection has been listed. It covers an overview of different crowd concepts, including mass gathering events analysis and challenges, types of anomalies, and surveillance systems. Additionally, research trends and future work prospects have been analyzed.
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