{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,25]],"date-time":"2026-03-25T14:37:13Z","timestamp":1774449433057,"version":"3.50.1"},"reference-count":94,"publisher":"MDPI AG","issue":"15","license":[{"start":{"date-parts":[[2023,8,3]],"date-time":"2023-08-03T00:00:00Z","timestamp":1691020800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Object detection and tracking are vital in computer vision and visual surveillance, allowing for the detection, recognition, and subsequent tracking of objects within images or video sequences. These tasks underpin surveillance systems, facilitating automatic video annotation, identification of significant events, and detection of abnormal activities. However, detecting and tracking small objects introduce significant challenges within computer vision due to their subtle appearance and limited distinguishing features, which results in a scarcity of crucial information. This deficit complicates the tracking process, often leading to diminished efficiency and accuracy. To shed light on the intricacies of small object detection and tracking, we undertook a comprehensive review of the existing methods in this area, categorizing them from various perspectives. We also presented an overview of available datasets specifically curated for small object detection and tracking, aiming to inform and benefit future research in this domain. We further delineated the most widely used evaluation metrics for assessing the performance of small object detection and tracking techniques. Finally, we examined the present challenges within this field and discussed prospective future trends. By tackling these issues and leveraging upcoming trends, we aim to push forward the boundaries in small object detection and tracking, thereby augmenting the functionality of surveillance systems and broadening their real-world applicability.<\/jats:p>","DOI":"10.3390\/s23156887","type":"journal-article","created":{"date-parts":[[2023,8,3]],"date-time":"2023-08-03T11:23:03Z","timestamp":1691061783000},"page":"6887","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":92,"title":["Small Object Detection and Tracking: A Comprehensive Review"],"prefix":"10.3390","volume":"23","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3903-0421","authenticated-orcid":false,"given":"Behzad","family":"Mirzaei","sequence":"first","affiliation":[{"name":"Intelligent Data Processing Laboratory (IDPL), Department of Electrical Engineering, Shahid Bahonar University of Kerman, Kerman 76169-13439, Iran"}]},{"given":"Hossein","family":"Nezamabadi-pour","sequence":"additional","affiliation":[{"name":"Intelligent Data Processing Laboratory (IDPL), Department of Electrical Engineering, Shahid Bahonar University of Kerman, Kerman 76169-13439, Iran"}]},{"given":"Amir","family":"Raoof","sequence":"additional","affiliation":[{"name":"Department of Earth Sciences, Utrecht University, 3584CB Utrecht, The Netherlands"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7499-4384","authenticated-orcid":false,"given":"Reza","family":"Derakhshani","sequence":"additional","affiliation":[{"name":"Department of Earth Sciences, Utrecht University, 3584CB Utrecht, The Netherlands"},{"name":"Department of Geology, Shahid Bahonar University of Kerman, Kerman 76169-13439, Iran"}]}],"member":"1968","published-online":{"date-parts":[[2023,8,3]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"2537","DOI":"10.1109\/TIFS.2019.2900907","article-title":"AnomalyNet: An Anomaly Detection Network for Video Surveillance","volume":"14","author":"Zhou","year":"2019","journal-title":"IEEE Trans. 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