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kahowang avatar kahowang commented on July 30, 2024

你好,方便的话,你可以发送你的wechat联系方式到我的邮箱[email protected],谢谢关注~

from fast_lio_sam.

zhao-zhibo avatar zhao-zhibo commented on July 30, 2024

你好,方便的话,你可以发送你的wechat联系方式到我的邮箱[email protected],谢谢关注~

你好,我用我自己的数据进行了建图,但是gps轨迹和雷达建图的轨迹没有对齐,这个是不是需要调整什么参数呢?

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zlg0518 avatar zlg0518 commented on July 30, 2024

@zhao-zhibo 你好,我跑park_dataset.bag数据包的时候后期也会飘,请问你找到了原因了吗。

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zhao-zhibo avatar zhao-zhibo commented on July 30, 2024

@zhao-zhibo 你好,我跑park_dataset.bag数据包的时候后期也会飘,请问你找到了原因了吗。

没有找到原因,没有仔细深究。但是我用自己的数据,gps轨迹和fastlio的轨迹没有对齐,还没有找是什么原因,您这边有什么意见吗,二者的轨迹对不齐。

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zlg0518 avatar zlg0518 commented on July 30, 2024

@zhao-zhibo 你好,我跑park_dataset.bag数据包的时候后期也会飘,请问你找到了原因了吗。

没有找到原因,没有仔细深究。但是我用自己的数据,gps轨迹和fastlio的轨迹没有对齐,还没有找是什么原因,您这边有什么意见吗,二者的轨迹对不齐。
我目前还没有运用自己的数据集,轨迹不对齐的话是不是因为gps和lidar的外参没标定,我跑lio sam好像也是不对齐的,具体原因我也不太确定

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zhao-zhibo avatar zhao-zhibo commented on July 30, 2024

@zlg0518 @kahowang 我后来跑LIO_SAM_6AIXS,这个开源的代码,轨迹能对齐,它对齐的方式是类似与EVO中的对齐方式,可以将两条不联系的轨迹对齐。

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zlg0518 avatar zlg0518 commented on July 30, 2024

@zhao-zhibo 您好,我跑lio-sam的时候在长走廊就会飘的很严重,然后在一般室内环境下也有一点上下的小跳动,但是不影响建图,请问您知道具体是什么原因吗,我调节imu的协方差好像没有太好的效果

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