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Flexible calibration technique for fringe-projection-based three-dimensional imaging

机译:基于条纹投影的三维成像的灵活校准技术

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摘要

Fringe projection profilometry (FPP) has evolved dramatically, with many highly demanded features for three-dimensional (3D) imaging, such as high accuracy, easy implementation, and capability of measuring multiple objects with complex shapes. A vital component for an FPP-based 3D imaging system is the calibration process. The existing calibration methods lack the ability to be flexibly compatible with various scales of the field of imaging. In this Letter, a technique to cope with this issue is presented; it employs a checkerboard along with practical considerations to ensure reliable and accurate calibration. The validity and practicality of the technique are verified by experiments.
机译:条纹投影轮廓测定法(FPP)有了长足的发展,具有3D(3D)成像的许多高度需求的功能,例如高精度,易于实施以及能够测量具有复杂形状的多个对象的功能。基于FPP的3D成像系统的重要组成部分是校准过程。现有的校准方法缺乏与成像领域的各种规模灵活兼容的能力。在这封信中,提出了一种解决该问题的技术;它采用棋盘格,并结合实际考虑因素来确保可靠和准确的校准。实验验证了该技术的有效性和实用性。

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