期刊
APPLIED SCIENCES-BASEL
卷 11, 期 23, 页码 -出版社
MDPI
DOI: 10.3390/app112311229
关键词
computer vision; real-time; pothole detection; deep learning; YOLO
类别
资金
- National Research Foundation of Korea (NRF) - Korea government (MSIT) [NRF-2018R1A5A1025137]
Pothole repair is crucial in road maintenance, but current detection methods are labor-intensive and time-consuming. Research shows that YOLOv4-tiny is the best fit model for pothole detection, offering a more efficient and accurate solution for road surface monitoring.
Pothole repair is one of the paramount tasks in road maintenance. Effective road surface monitoring is an ongoing challenge to the management agency. The current pothole detection, which is conducted image processing with a manual operation, is labour-intensive and time-consuming. Computer vision offers a mean to automate its visual inspection process using digital imaging, hence, identifying potholes from a series of images. The goal of this study is to apply different YOLO models for pothole detection. Three state-of-the-art object detection frameworks (i.e., YOLOv4, YOLOv4-tiny, and YOLOv5s) are experimented to measure their performance involved in real-time responsiveness and detection accuracy using the image set. The image set is identified by running the deep convolutional neural network (CNN) on several deep learning pothole detectors. After collecting a set of 665 images in 720 x 720 pixels resolution that captures various types of potholes on different road surface conditions, the set is divided into training, testing, and validation subsets. A mean average precision at 50% Intersection-over-Union threshold (mAP_0.5) is used to measure the performance of models. The study result shows that the mAP_0.5 of YOLOv4, YOLOv4-tiny, and YOLOv5s are 77.7%, 78.7%, and 74.8%, respectively. It confirms that the YOLOv4-tiny is the best fit model for pothole detection.
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