二子样算法IMU预积分
时间: 2023-10-12 17:00:39 浏览: 84
ORB3 IMU预积分公式参考
二子样算法是一种常用于IMU预积分的算法。在二子样算法中,IMU数据被分为两个子样集,分别用于计算姿态的旋转部分和位移的线性部分。首先,根据IMU的角速度数据,使用欧拉积分方法计算旋转部分的姿态变化。然后,根据加速度数据,使用梯形积分方法计算线性部分的位移变化。通过将旋转和位移分开计算,可以降低计算复杂度,并减少姿态变化对位移计算的影响。二子样算法可以有效地提高IMU预积分的准确性和效率。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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