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Least-squares calibration method for fringe projection profilometry considering camera lens distortion

机译:考虑相机镜头畸变的条纹投影轮廓测量的最小二乘标定方法

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摘要

By using the least-squares fitting approach, the calibration procedure for fringe projection profilometry becomes more flexible and easier, since neither the measurement of system geometric parameters nor precise control of plane moving is required. With consideration of camera lens distortion, we propose a modified least-squares calibration method for fringe projection profilometry. In this method, camera lens distortion is involved in the mathematical description of the system for least-squares fitting to reduce its influence. Both simulation and experimental results are shown to verify the validity and ease of use of this modified calibration method.
机译:通过使用最小二乘拟合法,由于不需要测量系统几何参数或精确控制平面运动,因此条纹投影轮廓测量的校准过程变得更加灵活和容易。考虑到相机镜头畸变,我们提出了一种用于条纹投影轮廓测定的改进的最小二乘校正方法。在这种方法中,相机镜头畸变涉及最小二乘拟合系统的数学描述,以减少其影响。仿真结果和实验结果均证明了这种改进的校准方法的有效性和易用性。

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