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Fast Two-Dimensional Phase Unwrapping Algorithm Based on Histogram Processing of Reliability

机译:基于可靠性直方图处理的快速二维相位展开算法

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摘要

A novel approach for two-dimensional phase unwrapping is presented.Reliability functions with fixed value range are defined for pixels and edges.Through histogram statistics for reliability values of edges,all edges are allocated to the corresponding subintervals of histogram.The proposed algorithm unwraps the phase subinterval by subinterval and for each subinterval edge by edge.A number of simulated and experimental results show that the proposed algorithm reacts satisfactorily to random noise and discontinuities in the wrapped phase distribution.The execution time of this algorithm is less than 60 ms for an image size of 800×800 pixels on a PC system generally.So this algorithm can achieve quasi-real-time performance.
机译:提出了一种新颖的二维相位展开方法。为像素和边缘定义了具有固定值范围的可靠性函数。通过对边缘的可靠性值进行直方图统计,将所有边缘分配给直方图的相应子间隔。大量的仿真和实验结果表明,该算法对包裹相位分布中的随机噪声和不连续性具有令人满意的反应,该算法的执行时间少于60 ms。通常在PC系统上图像大小为800×800像素,因此该算法可以实现准实时性能。

著录项

  • 来源
  • 会议地点 Tianjin(CN)
  • 作者单位

    State Key Laboratory of Precision Measuring Technology Instruments, Tianjin University, Tianjin, China;

    State Key Laboratory of Precision Measuring Technology Instruments, Tianjin University, Tianjin, China;

    State Key Laboratory of Precision Measuring Technology Instruments, Tianjin University, Tianjin, China;

    State Key Laboratory of Precision Measuring Technology Instruments, Tianjin University, Tianjin, China;

    State Key Laboratory of Precision Measuring Technology Instruments, Tianjin University, Tianjin, China;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 TH15;
  • 关键词

    phase unwrapping; fringe analysis; digital holography;

    机译:相位展开;条纹分析;数字全息;

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