Parking has been a common problem over several years in many cities around the globe. The search for parking space leads to congestion, frustration and increased air pollution. Information of vacant parking space would facilitate to reduce congestion and subsequent air pollution. Therefore, the aim of the study is to acquire vehicle occupancy in an open parking lot using deep learning. Thermal camera was used to collect videos during varying environmental conditions and frames from these videos were extracted to prepare the dataset. The frames in the dataset were manually labelled as there were no pre-labelled thermal images available. Vehicle detection with deep learning algorithms was implemented to perform multi-object detection. Multiple deep learning networks such as Yolo, Yolo-conv, GoogleNet, ReNet18 and ResNet50 with varying layers and architectures were evaluated on vehicle detection. ResNet18 performed better than other detectors which had an average precision of 96.16 and log-average miss rate of 19.40. The detected results were compared with a template of parking spaces to identify vehicle occupancy information. Yolo, Yolo-conv, GoogleNet and ResNet18 are computationally efficient detectors which took less processing time and are suitable for real-time detection while Resnet50 was computationally expensive.
Deep learning-based vehicle occupancy detection in an open parking lot using thermal camera
IET Intelligent Transport Systems ; 14 , 10 ; 1295-1302
2020-09-02
8 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
real-time detection , ResNet18 , environmental science computing , learning (artificial intelligence) , vehicle occupancy detection , vehicle detection , neural nets , air pollution , feature extraction , deep learning , object detection , video signal processing , multiobject detection , road vehicles , environmental conditions , GoogleNet , thermal camera , thermal images , Yolo-conv , cameras , traffic engineering computing , ResNet50 , vacant parking space , infrared imaging , open parking lot , Resnet50
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Deep learning‐based vehicle occupancy detection in an open parking lot using thermal camera
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