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双频复合图案时相解封用于3D表面测量

Tao Tang1, Yu Zhang2, Yingying Wan1

  • 1Department of Physical Science and Technology, Southwest Jiaotong University, Chengdu, 610031, China.

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|October 24, 2024
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概括

一种新的双频复合图案时相解封 (TPU) 方法减少了3D光学计量所需的边缘图案. 这种高效的技术只使用三张图像就能实现精确的3D表面重建.

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科学领域:

  • 光学计量学 在光学计量学
  • 3D成像是3D成像中的一种.
  • 计算机视觉 计算机视觉

背景情况:

  • 阶段转移特征测量 (PSP) 对于工程和生物医学中准确的3D测量至关重要.
  • 多频时相解封 (TPU) 对于不连续和孤立的表面至关重要,但需要许多模式.

研究的目的:

  • 开发一种新的双频复合图案TPU方法,以减少所需的边缘图案的数量.
  • 为了提高复杂表面的3D光学计量学的测量效率.

主要方法:

  • 将两个边框图案结合成三个复合图案.
  • 使用低频模式和几何约束重建粗略的3D点.
  • 完善低频相位以纠正错误,并指导高频相位解封.

主要成果:

  • 使用仅三个图像实现精确的3D表面测量.
  • 与传统方法相比,显著提高了测量效率.
  • 通过立体视觉技术成功重建精确的3D点.

结论:

  • 拟议的双频复合图案TPU方法为3D表面测量提供了一种高效的方法.
  • 这种技术具有快速3D测量不连续和孤立物体的巨大潜力.