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Update Kimera-PGMO (in progress)
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LimHyungTae committed Feb 6, 2025
1 parent ad423c2 commit d1e54aa
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Expand Up @@ -97,7 +97,7 @@ $$\boldsymbol{\xi} \oplus \boldsymbol{\delta} =
그런데 deformation factor에서는 재밌는 technique이 사용되었다(~~나만 재밌을지도~~).
먼저 원래의 measurement function을 살펴보자. 원래 error term은 아래와 같이 정의되어서:

$$||\mathbf{z} - \mathbf{R}_1^{\intercal}(\mathbf{t}_2 - \mathbf{t}_1)||^2$$
$$||\boldsymbol{z} - \mathbf{R}_1^{\intercal}(\mathbf{t}_2 - \mathbf{t}_1)||^2$$

measurement function은 아래와 같이 정의된다:

Expand All @@ -107,7 +107,7 @@ $$h(\boldsymbol{\xi}_1, \boldsymbol{\xi}_2) = \mathbf{R}_1^\intercal(\mathbf{t}_

위의 measurement function에 대한 $$\mathbf{H}_1$$$$\mathbf{H}_2$$를 구하기 위래 (1)을 활용해서 전개하면 아래와 같이 되고:

$$$$h(\boldsymbol{\xi}_1 \oplus \boldsymbol{\delta}_1, \boldsymbol{\xi}_2 \oplus \boldsymbol{\delta}_2)$$ = \left(\mathbf{I} - [\boldsymbol{w}]_\times\right) \right)\mathbf{R}_1^\intercal(\mathbf{t}_2 + \mathbf{R}_2\boldsymbol{v}_2 - \mathbf{t}_1 - \mathbf{R}_1\boldsymbol{v}_1) \; \; \; \; \text{(3)}$$
$$h(\boldsymbol{\xi}_1 \oplus \boldsymbol{\delta}_1, \boldsymbol{\xi}_2 \oplus \boldsymbol{\delta}_2)$$ = \left(\mathbf{I} - [\boldsymbol{w}]_\times\right) \right)\mathbf{R}_1^\intercal(\mathbf{t}_2 + \mathbf{R}_2\boldsymbol{v}_2 - \mathbf{t}_1 - \mathbf{R}_1\boldsymbol{v}_1) \; \; \; \; \text{(3)}$$


$$
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