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Smart city article details
| Title | The Teddy Framework: An Efficient Framework For Target Tracking Using Edge-Based Distributed Smart Cameras With Dynamic Camera Selection |
|---|---|
| ID_Doc | 57002 |
| Authors | Yang J.; Lee J.; Lee I.; Lee Y. |
| Year | 2025 |
| Published | Applied Sciences (Switzerland), 15, 6 |
| DOI | http://dx.doi.org/10.3390/app15063052 |
| Abstract | Multi-camera target tracking is a critical technology for continuous monitoring in large-scale environments, with applications in smart cities, security surveillance, and emergency response. However, existing tracking systems often suffer from high computational costs and energy inefficiencies, particularly in resource-constrained edge computing environments. Traditional methods typically rely on static or heuristic-based camera selection, leading to redundant computations and suboptimal resource allocation. This paper introduces a novel framework for efficient single-target tracking using edge-based distributed smart cameras with dynamic camera selection. The proposed framework employs context-aware dynamic camera selection, activating only the cameras most likely to detect the target based on its predicted trajectory. This approach is designed for resource-constrained environments and significantly reduces computational load and energy consumption while maintaining high tracking accuracy. The framework was evaluated through two experiments. In the first, single-person tracking was conducted across multiple routes with various target behaviors, demonstrating the framework’s effectiveness in optimizing resource utilization. In the second, the framework was applied to a simulated urban traffic light adjustment system for emergency vehicles, achieving significant reductions in computational load while maintaining equivalent tracking accuracy compared to an always-on camera system. These findings highlight the robustness, scalability, and energy efficiency of the framework in edge-based camera networks. Furthermore, the framework enables future advancements in dynamic resource management and scalable tracking technologies. © 2025 by the authors. |
| Author Keywords | dynamic camera selection; edge computing; IoT; multi-camera system; target tracking |
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