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Optimizing Ground Vehicle Tracking Using Unmanned Aerial Vehicle and Embedded Apriltag Design

机译:使用无人飞行器和嵌入式Apriltag设计优化地面车辆跟踪

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We investigate a vision-based vehicle tracking method which allows an unmanned aeriel vehicle(UAV) to track and follow a ground vehicle in coordinated Air-Ground operations. The UAV detects a customized Apriltag attached on the ground vehicle and estimates its motion status. We use a novel embedded-tag design to allow the UAV detect and lock the ground vehicle in both high and low altitude. The dynamic range achieved is from 0.3 meters to 10 meters. The motion-status estimation is improved using an optimum tag selection (as observation source) algorithm and a modified particle filter algorithm. The proposed algorithm improves the motion estimate accuracy significantly by 20%.
机译:我们研究了一种基于视觉的车辆跟踪方法,该方法可以使无人飞行器(UAV)在协调的空地作战中跟踪并跟随地面车辆。无人机检测到附着在地面车辆上的定制化Apriltag并估算其运动状态。我们使用一种新颖的嵌入式标签设计,使无人机能够在高空和低空检测并锁定地面车辆。动态范围从0.3米到10米。运动状态估计使用最佳标签选择(作为观察源)算法和改进的粒子滤波算法进行了改进。所提出的算法将运动估计的准确性显着提高了20%。

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