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Vehicle tracking for mobility applications

Authors: Koehler Borras, Alba;

Vehicle tracking for mobility applications

Abstract

The goal of this project was to evaluate various object detection and tracking models to determine the best combination for real-time vehicle monitoring in urban settings, with a focus on parking spot tracking. This study examined multiple algorithms, including different sizes of YOLOv8 for detection and OC-SORT and StrongSORT for tracking. Both public and private datasets were used to provide a more complete evaluation. In the experiments, YOLOv8 emerged as an effective detection model, with varying trade-offs between speed and accuracy depending on the model size. YOLOv8n, the smaller version, provided higher frames per second (FPS) and lower computational overhead, making it suitable for real-time applications. In contrast, YOLOv8l, the larger version, exhibited greater detection accuracy with longer inference times, suggesting its potential use in applications where precision is outstanding. For tracking, the study compared OC-SORT and StrongSORT. StrongSORT consistently demonstrated better tracking accuracy but with a slightly lower FPS. OC-SORT, on the other hand, achieved higher FPS, making it more suitable for real-time scenarios. Additionally, StrongSORT proved more robust against occlusions and non-linear object motion, thanks to its advanced modules, while OC-SORT excelled in simpler tracking tasks. Based on these results, the ideal solution for a traffic monitoring application focusing on parking spot tracking would be combining YOLOv8n for fast and efficient detection with StrongSORT for robust tracking. This combination offers a balance of speed, accuracy, and computational efficiency, allowing for real-time monitoring while ensuring precise tracking. A key aspect for accurate vehicle tracking is high-resolution video, with 4K being the optimal choice for detailed detection and license plate recognition. The experiments also suggested that for applications requiring faster real-time online tracking, YOLOv8n coupled with OC-SORT might be a viable solution, as it provides a good enough trade-off between speed and accuracy, but performing at a higher FPS rate than StrongSORT. In conclusion, this project identified a suitable setup for real-time vehicle tracking applications, focusing on parking spot monitoring. The ideal solution balances speed and accuracy, which is fundamental for an effective performance of the studied application. The takeaways from this study can also be applied to other fields requiring multi-object tracking, such as improving performance with lower-resolution input videos and exploring techniques for license plate reading. This work lays the foundation for further exploration and application of these concepts in various domains.

Country
Spain
Keywords

Visió per ordinador, Real-time data processing, Computer vision, Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Processament del senyal::Adquisició i detecció del senyal, Temps real (Informàtica)

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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