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Light field camera self-calibration and registration

机译:光场摄像机自校准和注册

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The multi-view light fields (MVLF) provide new solutions to the existing problems in monocular light field, such as the limited field of view. However as key steps in MVLF, the calibration and registration have been limited studied. In this paper, we propose a method to calibrate the camera and register different LFs without the checkboard at the same time, which we call the self-calibrating method. We model the LF structure as a 5-parameter two-parallel-plane (2PP) model, then represent the associations between rays and reconstructed points as a 3D projective transformation. With the constraints of ray-ray correspondences in different LFs, the parameters can be solved with a linear initialization and a nonlinear refinement. The result in real scene and 3D point clouds registration error of MVLF in simulated data verify the high performance of the proposed model.
机译:多视图光字段(MVLF)为单眼光场中存在的问题提供了新的解决方案,例如有限的视野。然而,作为MVLF中的关键步骤,研究了校准和注册。在本文中,我们提出了一种方法来校准相机并在没有棋盘的同时注册不同的LFS,我们称之为自校准方法。我们将LF结构模拟为5参数两平行平面(2PP)模型,然后表示光线之间的关联和重建点作为3D投影转换。利用不同LFS中的光线对应关系的约束,可以用线性初始化和非线性细化来解决参数。模拟数据中MVLF的实际场景和3D点云注册误差的结果验证了所提出的模型的高性能。

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