Abstract
As video surveillance systems become increasingly essential for railway operations, accurate and precise performance testing is crucial. Traditional methods for response latency testing rely on manual readings with millisecond-level clocks, which can lead to compatibility issues, software crashes, and potential security risks. To address these challenges, this paper proposes a response latency testing method based on object detection for railway video surveillance systems. The response latency test method includes two application scenarios: real-time video call and pan–tilt–zoom camera control response. By leveraging the YOLO-V5 model and object detection techniques, the response speed of railway video surveillance systems is effectively evaluated, ensuring testing precision. Experimental results validate the efficiency and feasibility of the proposed approach, emphasizing its enhanced stability and compatibility compared to traditional methods. The proposed approach offers an innovative solution for testing the response lantency of railway video surveillance systems, contributing to the enhancement and optimization of railway operations.
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Abbreviations
- PTZ:
-
Pan–tilt–zoom
- YOLO:
-
You only look once
- NMS:
-
Non-maximum suppression
- ORB:
-
Oriented FAST and Rotated BRIEF
- FAST:
-
Features from accelerated segment test
- BRIEF:
-
Binary robust independent elementary features
- BF:
-
Brute-force
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This work was supported Bei**g Natural Science Foundation (L211002).
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Jia Miao conceptualized the study and contributed to the original manuscript; Li Zhu and Hongli Zhao contributed to the formal analysis of the study and participated in the revision of the original manuscript; and Sen Lin and **njun Gao contributed data as well as analyzed the methodology and validated the results.
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Miao, J., Zhu, L., Zhao, H. et al. Quantifying response latency in video surveillance systems using object detection techniques. J Supercomput (2024). https://doi.org/10.1007/s11227-024-06185-8
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DOI: https://doi.org/10.1007/s11227-024-06185-8