极图平移范数的计算
On Computing the Translations Norm in the Epipolar Graph
摘要:
本文讨论了基于相对旋转和平移方向知识的摄像机间相对平移未知范数的恢复问题。我们给出了这类问题可解的理论条件,并提出了一种两阶段的求解方法:首先计算对极图的循环基,然后通过求解齐次线性方程组来同时恢复所有的尺度因子.我们证明了我们的解决方案的准确性,通过合成和真实的实验。
英文摘要:
This paper deals with the problem of recovering the unknown norm of relative translations between cameras based on the knowledge of relative rotations and translation directions. We provide theoretical conditions for the solvability of such a problem, and we propose a two-stage method to solve it. First, a cycle basis for the epipolar graph is computed, then all the scaling factors are recovered simultaneously by solving a homogeneous linear system. We demonstrate the accuracy of our solution by means of synthetic and real experiments.
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