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Three-dimensional reconstruction of a cylinder surface based on constrained bundle adjustment

机译：基于约束束调整的圆柱表面三维重建

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摘要

Bundle adjustment (BA) refines the estimation of three-dimensional (3-D) structures and viewing parameters in multiview 3-D reconstruction. It is crucial to the accuracy of the reconstruction. Generic bundle adjustment (GBA) fails to make full use of a priori knowledge of the structure of the objects. We propose a new constrained BA algorithm for 3-D reconstruction of a cylinder surface. In this algorithm, 3-D point positions are parameterized as a combination of the parameters of the cylinder and their two-dimensional locations on the cylinder surface. A random-sample-consensus-based fitting step is used to initialize the parameters of the cylinder surface from more than nine points. Parameters of cameras, the cylinder, and 3-D point locations are then refined by solving the problem of minimizing the reprojection error. Experiments based on synthesized data and real images are performed. Experiment results with synthesized data show that the proposed algorithm achieved a 50% lower reconstruction error than the GBA, Experiment results with real images show that the proposed algorithm is more accurate than the GBA approach when the number of matched point pairs is limited.
机译：捆绑调整（BA）改进了多视图3-D重建中三维（3-D）结构和视图参数的估计。这对于重建的准确性至关重要。通用束调整（GBA）无法充分利用对象结构的先验知识。我们提出了一种新的约束BA算法用于圆柱表面的3-D重建。在此算法中，将3-D点位置参数化为圆柱体参数及其在圆柱体表面上的二维位置的组合。基于随机样本共识的拟合步骤用于从九个以上的点初始化圆柱表面的参数。然后，通过解决最小化重投影误差的问题来优化摄像机，圆柱体和3-D点位置的参数。进行了基于合成数据和真实图像的实验。合成数据的实验结果表明，该算法比GBA的重构误差降低了50％。真实图像的实验结果表明，当匹配点对的数量受到限制时，该算法比GBA的算法更准确。

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  • 来源
    《Optical engineering》 |2015年第6期|063101.1-063101.9|共9页
  • 作者

    Tao Ma; Zhenguo Sun; Wenzeng Zhang; Qiang Chen;

  • 作者单位

    Tsinghua University, Department of Mechanical Engineering, Beijing 100084, China;

    Tsinghua University, Department of Mechanical Engineering, Beijing 100084, China;

    Tsinghua University, Department of Mechanical Engineering, Beijing 100084, China;

    Tsinghua University, Department of Mechanical Engineering, Beijing 100084, China,Yangtze Delta Region Institute of Tsinghua University, 705 Yatai Road, Jiaxing 314006, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    bundle adjustment; constrained bundle adjustment; cylinder surface; multiview three-dimensional reconstruction;

    机译：捆绑调整;约束束调整;圆柱面多视图三维重建;

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