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请问为什么这个GPS的轨迹融合之后偏差这么大 #36

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Dong6971 opened this issue Jul 1, 2024 · 1 comment
Open

请问为什么这个GPS的轨迹融合之后偏差这么大 #36

Dong6971 opened this issue Jul 1, 2024 · 1 comment

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@Dong6971
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Dong6971 commented Jul 1, 2024

微信图片_20240701164034 GPS轨迹前半段是重合的,后半段有误差,最后闭环的时候融合后的轨迹与实际轨迹有很大偏差
@kahowang
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您好,谢谢您的关注,不知道您这个场景的大小,实际建图中,SLAM轨迹与GPS轨迹有差异是正常的,因为,GPS本身存在误差,SLAM同样存在误差,SLAM回环后能保证局部地图一致性良好,但不能保证在FGPS的坐标系下,轨迹一致。

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