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Although many methods have been proposed for VLD, it remains a challenging problem. To improve the VLD accuracy, an Intersection over Average (IoAverage) loss is proposed for enhancing the bounding box regression. The IoAverage loss accelerates the convergence of bounding box regression than using the Intersection over Union (IoU) loss. In the experiments, IoAverage loss has been incorporated into the state-of-the-art object detection framework YOLOV5s, namely YOLOV5s-IoAv in this paper. The advantages of the IoAverage loss are verified on the PASCAL VOC2007 datasets. The results of using the IoAverage loss show performance gains of\u2009+\u200915.27% mAP0.5 and\u2009+\u200930.87% mAP0.5:0.95 higher than that of the Complete IoU (CIoU) loss. The application of YOLOV5s-IoAv is implemented to VLD on dataset VLD100K-61. VLD100K-61 is a self-collected dataset containing 100,041 images supplied by traffic surveillance cameras in the real world from 61 categories. YOLOV5s-IoAv achieves performance gains as\u2009+\u200915.27% mAP0.5:0.95 for VLD than YOLOV5s-CIoU. The proposed method yields the mAP0.5 value of up to 0.992 on the dataset VLD100K-61, providing a promising solution to vehicle logo recognition applications.<\/jats:p>","DOI":"10.1186\/s13640-023-00604-1","type":"journal-article","created":{"date-parts":[[2023,4,5]],"date-time":"2023-04-05T12:03:28Z","timestamp":1680696208000},"update-policy":"http:\/\/dx.doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Vehicle logo detection using an IoAverage loss on dataset VLD100K-61"],"prefix":"10.1186","volume":"2023","author":[{"given":"Xiaohui","family":"Shi","sequence":"first","affiliation":[]},{"given":"Shengli","family":"Ma","sequence":"additional","affiliation":[]},{"given":"Yang","family":"Shen","sequence":"additional","affiliation":[]},{"given":"Yankun","family":"Yang","sequence":"additional","affiliation":[]},{"given":"Zexin","family":"Tan","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2023,4,5]]},"reference":[{"issue":"7","key":"604_CR1","doi-asserted-by":"publisher","first-page":"4487","DOI":"10.1109\/TITS.2020.3017505","volume":"22","author":"S Wan","year":"2021","unstructured":"S. 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