Image aided navigation is used in many navigation systems to improve the precision of the system.
图像导航在很多导航系统用来提高导航精度。
The UAV aerial images have fine resolution. The main problem of the UAV image aided navigation is how to pick-up the main character and reduces the calculation cost.
无人机航拍图像具有很高分辨率，如何提取主要特征并降低计算代价是无人机图像匹配辅助导航的主要问题。
Image match is critical technique in image aided navigation. Image match system finds correspondence between real image and base image and then outputs the position parameters to the aircraft.
图像匹配是图像导航中的关键技术，图像匹配系统在实时图和基准图之间寻找匹配位置，得到位置信息提供给航行器。
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