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关于GNSS转换为enu和fast-lio的对齐 #37
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您好,非常感谢您的关注,您的说法是对的,FASTLIO是以第一帧IMU的姿态为原点,如果要与GNSS对齐,需要进行WGS84 -> ENU的转换,并且需要对齐ENU与IMU初始时刻的姿态。可通过预先跑一段轨迹,进行标定确定姿态的相对关系。 |
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没必要吧,你看看https://github.com/zhh2005757/FAST-LIO-Multi-Sensor-Fusion |
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不用吧,你查查你自己的程序吧,我的跑的很顺滑。 |
您好,我对比了您的程序和
https://github.com/zhh2005757/FAST-LIO-Multi-Sensor-Fusion
这个程序。发现这个程序有一个GNSS_Heading的旋转矩阵,原因是lio-sam是以enu为地图坐标的,而fast-lio是以imu第一帧的坐标为世界坐标建图的。2者差一个角度。
我用您的程序,跑我的数据集,就是差了一个旋转角,是否是这个原因?
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