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zengy5 avatar zengy5 commented on August 23, 2024

我已经解决问题了,只要修改一下scantext.h中的参数PC_MAX_RADIUS就可以了,再次感谢您的工作

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maomao0220 avatar maomao0220 commented on August 23, 2024

请问在室外环境您是怎样调整的PC_MAX_RADIUS值? @zengy5

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zengy5 avatar zengy5 commented on August 23, 2024

请问在室外环境您是怎样调整的PC_MAX_RADIUS值? @zengy5

作者代码里scancontext只是用于搜索初始位姿用的,之后scancontext就没用了,所以实际上你需要知道你机器人大致的初始位姿距离地图原点多远,对应地修改最大搜索半径就行,或者也可以简单地把地图中最远点的距离设置为最大搜索半径 @maomao0220

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maomao0220 avatar maomao0220 commented on August 23, 2024

好的,谢谢您的回复。还有一个问题:您在跑室外环境的时候,有没有试过同一地方录两个不同的bag包(起始方向或者位置稍有不同),一个用于建图一个用于重定位?我在实验的时候总是重定位不成功,而且实车测试的时候只有在起点相同时才可以定位成功,一旦在任意其他位置就会重定位失败,找不到匹配位姿,期待您的回复

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zengy5 avatar zengy5 commented on August 23, 2024

好的,谢谢您的回复。还有一个问题:您在跑室外环境的时候,有没有试过同一地方录两个不同的bag包(起始方向或者位置稍有不同),一个用于建图一个用于重定位?我在实验的时候总是重定位不成功,而且实车测试的时候只有在起点相同时才可以定位成功,一旦在任意其他位置就会重定位失败,找不到匹配位姿,期待您的回复

我们具体做法确实是你说的这样,用bag1建图,用bag2定位,录制环境是同一个场地,起点是不同位置,每个定位bag都可以正常初始化成功。如果你的数据不能的话,考虑两点:
1、雷达是不是360°的,因为scancontext论文中是以360°雷达为例,对于小视野的雷达能否使用,我也不清楚,或许会失效
2、注意起始位置的扫描结果是否在地图内部
@maomao0220

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