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高博,有点关于第四章残差雅可比的一点疑问 #174

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w8128835 opened this issue Sep 3, 2024 · 0 comments
Open

高博,有点关于第四章残差雅可比的一点疑问 #174

w8128835 opened this issue Sep 3, 2024 · 0 comments

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@w8128835
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w8128835 commented Sep 3, 2024

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高博,这个图里表明了4.44是先用变化后的噪声修正了预积分增量,然后用修正后的预积分增量来对gyro的零偏求雅可比
我想问的是,假如我就用4.39a的式子来表示残差对bg的雅可比,那么最终的优化能优化bias吗?还是说由于不考虑bias对旋转的修正(即假设bias不变),会导致最终优化出来的状态量中,bias也是恒定不变的?

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