YOLO-DFAN: Effective High-Altitude Safety Belt Detection Network

Wendou Yan, Xiuying Wang and Shoubiao Tan ()
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Wendou Yan: School of Integrated Circuits, Anhui University, He Fei 230039, China
Xiuying Wang: School of Integrated Circuits, Anhui University, He Fei 230039, China
Shoubiao Tan: School of Integrated Circuits, Anhui University, He Fei 230039, China

Future Internet, 2022, vol. 14, issue 12, 1-12

Abstract: This paper proposes the You Only Look Once (YOLO) dependency fusing attention network (DFAN) detection algorithm, improved based on the lightweight network YOLOv4-tiny. It combines the advantages of fast speed of traditional lightweight networks and high precision of traditional heavyweight networks, so it is very suitable for the real-time detection of high-altitude safety belts in embedded equipment. In response to the difficulty of extracting the features of an object with a low effective pixel ratio—which is an object with a low ratio of actual area to detection anchor area in the YOLOv4-tiny network—we make three major improvements to the baseline network: The first improvement is introducing the atrous spatial pyramid pooling network after CSPDarkNet-tiny extracts features. The second is to propose the DFAN, while the third is to introduce the path aggregation network (PANet) to replace the feature pyramid network (FPN) of the original network and fuse it with the DFAN. According to the experimental results in the high-altitude safety belt dataset, YOLO-DFAN improves the accuracy by 5.13% compared with the original network, and its detection speed meets the real-time demand. The algorithm also exhibits a good improvement on the Pascal voc07+12 dataset.

Keywords: high-altitude safety belt detection; low-effective-pixel-ratio object; improved YOLOv4-tiny; attention mechanism (search for similar items in EconPapers)
JEL-codes: O3 (search for similar items in EconPapers)
Date: 2022
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