Mr. Songwei Li Profile

Songwei Li

at Univ of Texas at Arlington

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Proceedings Article | 19 April 2017 Presentation + Paper

Design and implementation of a remote UAV-based mobile health monitoring system

Songwei Li, Yan Wan, Shengli Fu, Mushuang Liu, H. Felix Wu

Proceedings Volume 10169, 101690A (2017) https://doi.org/10.1117/12.2257550

KEYWORDS: Control systems, Antennas, Optical spheres, Video, Global Positioning System, Unmanned aerial vehicles, Telecommunications, Detection and tracking algorithms, Imaging systems, Target detection, Wireless communications, Image processing

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Unmanned aerial vehicles (UAVs) play increasing roles in structure health monitoring. With growing mobility in modern Internet-of-Things (IoT) applications, the health monitoring of mobile structures becomes an emerging application. In this paper, we develop a UAV-carried vision-based monitoring system that allows a UAV to continuously track and monitor a mobile infrastructure and transmit back the monitoring information in real- time from a remote location. The monitoring system uses a simple UAV-mounted camera and requires only a single feature located on the mobile infrastructure for target detection and tracking. The computation-effective vision-based tracking solution based on a single feature is an improvement over existing vision-based lead-follower tracking systems that either have poor tracking performance due to the use of a single feature, or have improved tracking performance at a cost of the usage of multiple features. In addition, a UAV-carried aerial networking infrastructure using directional antennas is used to enable robust real-time transmission of monitoring video streams over a long distance. Automatic heading control is used to self-align headings of directional antennas to enable robust communication in mobility. Compared to existing omni-communication systems, the directional communication solution significantly increases the operation range of remote monitoring systems. In this paper, we develop the integrated modeling framework of camera and mobile platforms, design the tracking algorithm, develop a testbed of UAVs and mobile platforms, and evaluate system performance through both simulation studies and field tests.

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