{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,5]],"date-time":"2026-06-05T16:13:37Z","timestamp":1780676017107,"version":"3.54.1"},"reference-count":61,"publisher":"MDPI AG","issue":"8","license":[{"start":{"date-parts":[[2024,8,7]],"date-time":"2024-08-07T00:00:00Z","timestamp":1722988800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Sichuan University of Science and Technology","award":["SUSE652A006"],"award-info":[{"award-number":["SUSE652A006"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Symmetry"],"abstract":"<jats:p>Public safety and intelligent surveillance systems rely on anomaly detection for effective monitoring. In real-world pedestrian detection scenarios, Pedestrians often exhibit various symmetrical features such as body contours, facial features, posture, and clothing. However, the accuracy of pedestrian anomaly detection is affected by factors such as complex backgrounds, pedestrian obstruction, and small target sizes. To address these issues, this study introduced YOLO-ABD, a lightweight method for anomaly behavior detection that integrated small object detection and channel shuffling. This approach enhanced the YOLOv8n baseline model by integrating a small-object detection mechanism at the head and employing the symmetric GSConv convolutional module in the backbone network to improve perceptual capabilities. Furthermore, it incorporated the SimAM attention mechanism to mitigate complex background interference and thus enhance target detection performance. Evaluation on the IITB-Corridor dataset showed mAP50 and mAP50-95 scores of 89.3% and 60.6%, respectively. Generalization testing on the street-view-gdogo dataset further underscored the superiority of YOLO-ABD over advanced detection algorithms, demonstrating its effectiveness and generalization capabilities. With relatively fewer parameters, YOLO-ABD provided an excellent lightweight solution for pedestrian anomaly detection.<\/jats:p>","DOI":"10.3390\/sym16081003","type":"journal-article","created":{"date-parts":[[2024,8,7]],"date-time":"2024-08-07T11:33:52Z","timestamp":1723030432000},"page":"1003","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["YOLO-ABD: A Multi-Scale Detection Model for Pedestrian Anomaly Behavior Detection"],"prefix":"10.3390","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2778-367X","authenticated-orcid":false,"given":"Caijian","family":"Hua","sequence":"first","affiliation":[{"name":"School of Computer Science and Engineering, Sichuan University of Science and Engineering, Yibin 644000, China"},{"name":"Sichuan Big Data Visualization Analysis Technology Engineering Laboratory, Yibin 644000, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kun","family":"Luo","sequence":"additional","affiliation":[{"name":"School of Computer Science and Engineering, Sichuan University of Science and Engineering, Yibin 644000, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yadong","family":"Wu","sequence":"additional","affiliation":[{"name":"School of Computer Science and Engineering, Sichuan University of Science and Engineering, Yibin 644000, China"},{"name":"Sichuan Big Data Visualization Analysis Technology Engineering Laboratory, Yibin 644000, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rui","family":"Shi","sequence":"additional","affiliation":[{"name":"School of Computer Science and Engineering, Sichuan University of Science and Engineering, Yibin 644000, China"},{"name":"Sichuan Big Data Visualization Analysis Technology Engineering Laboratory, Yibin 644000, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2024,8,7]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1145\/3439950","article-title":"Deep learning for anomaly detection: A review","volume":"54","author":"Pang","year":"2021","journal-title":"ACM Comput. 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