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加了IMU的效果还变差了? #11

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calmelo opened this issue Jul 30, 2021 · 2 comments
Open

加了IMU的效果还变差了? #11

calmelo opened this issue Jul 30, 2021 · 2 comments

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@calmelo
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calmelo commented Jul 30, 2021

对Normal.bag或者Fast.bag运行RGBD,还能得到一个比较完整的轨迹。但运行RGBD-inertial,尤其对Fast.bag,跟踪没过多久就会丢失,鲁棒性大大下降。请问这是为什么?

@xiehousen
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我用kinect的话,加了IMU效果是变好的,用的作者提供的bag

@lyfadvance
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从原理上来看,确实存在这个可能。本来就是联合优化,那imu的数据不准确,自然会拖累视觉的优化。或者imu和视觉没做好时间对齐?

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