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The sudden increase in the density of vehicles in urban areas has led to the need for advanced Intelligent Transportation Systems (ITS) that can perform high-speed, autonomous surveillance. The aim of this research is to design an efficient real-time vehicle detection system that fills the important gap in the literature related to the trade-off between computational speed and accuracy. Although the current state-of-the-art versions of object detection algorithms, such as YOLOv5, have achieved remarkable performance, there is a considerable gap in the literature related to their performance in high-density traffic conditions with overlapping objects (occlusions) and changing lighting conditions. Most of the current systems are sensitive to "anchor-box" sizes, which results in the incorrect localization of small-scale objects such as motorcycles or far-away vehicles. To fill this gap, the main aim of this research work is to apply and test the YOLOv8 (You Only Look Once, version 8) model, particularly concentrating on the anchor-free detection part and Task-Aligned Assigner to improve spatial precision. The approach consists of a multi-step process: data collection with a hybrid dataset of 16,990 labeled images, and intensive augmentation (mosaic and horizontal flip) to mimic adverse weather and night conditions. The model employs a customized CSPDarknet53 feature extractor and a decoupled head for classification and regression. The major findings of this research work show that the YOLOv8m (Medium) model reached a maximum Mean Average Precision of 98.96% in a controlled environment and 93.4% on various validation sets. Importantly, by optimizing the loss function hyperparameters, the model increased precision by 0.12% compared to the default settings, reaching 95.1%. The model also ensured a constant inference rate of 52 FPS on a mid-range GPU, meeting real-time constraints. The implications of this research are substantial for smart city infrastructure, as this research work provides a scalable solution for automatic tolling and traffic optimization. This research work proves that anchor-free models are effective in minimizing false negatives on congested roads, providing a robust platform for real-time traffic analysis.
Keywords:
YOLOv8, Computer Vision, Real-Time Detection, Intelligent Transportation Systems (ITS), Deep Learning, CNN.
Cite Article:
"AI Powered Real Time Vehicle Detection Using YOLOv8", International Journal for Research Trends and Innovation (www.ijrti.org), ISSN:2456-3315, Vol.11, Issue 2, page no.a627-a642, February-2026, Available :http://www.ijrti.org/papers/IJRTI2602085.pdf
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2456-3315 | IMPACT FACTOR: 8.14 Calculated By Google Scholar| ESTD YEAR: 2016
An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 8.14 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator