Journal
MULTIMEDIA TOOLS AND APPLICATIONS
Volume 79, Issue 35-36, Pages 26023-26043Publisher
SPRINGER
DOI: 10.1007/s11042-020-09242-5
Keywords
Morphological operations; Aerial surveillance; Remote sensing; KLT tracker; K-means clustering; Vehicle detection and tracking
Categories
Funding
- Egyptian Ministry of Higher Education (MoHE), Cairo, Egypt
- Egypt Japan University of Science and Technology (E-JUST), Alexandria, Egypt
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Real-time automatic detection and tracking of moving vehicles in videos acquired by airborne cameras is a challenging problem due to vehicle occlusion, camera movement, and high computational cost. This paper presents an efficient and robust real-time approach for automatic vehicle detection and tracking in aerial videos that employ both detections and tracking features to enhance the final decision. The use of Top-hat and Bottom-hat transformation aided by the morphological operation in the detection phase has been adopted. After detection, background regions are eliminated by motion feature points' analysis of the obtained object regions using a combined technique between KLT tracker and K-means clustering. Obtained object features are clustered into separate objects based on their motion characteristic. Finally, an efficient connecting algorithm is introduced to assign the vehicle labels with their corresponding cluster trajectories. The proposed method was tested on videos taken in different scenarios. The experimental results showed that the recall, precision, and tracking accuracy of the proposed method were about 95.1 %, 97.5%, and 95.2%, respectively. The method also achieves a fast processing speed. Thus, the proposed approach has superior overall performance compared to newly published approaches.
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