和诱导的相位错误补偿方法使用补充相位的方法
Yingying Wan1, Yiping Cao2, Min Xu1
1School of Physical Science and Technology, Southwest Jiaotong University, Chengdu 610031, China.
Micromachines
|June 28, 2023
概括
强度和导致边缘投射特征测量中的测量误差. 一种新的补偿方法使用互补的相位图来取消这些错误,从而实现精确的3D测量.
科学领域:
- 光学计量学 在光学计量学
- 3D测量技术 3D测量技术
- 计算机视觉 计算机视觉
背景情况:
- 边缘投射特征测量的强度和导致相位错误和不准确的测量.
- 现有的方法很难完全弥补和引起的相变.
研究的目的:
- 开发和验证一种新的补偿方法,以减少N级相位移型谱中强度和引起的相位误差.
- 在具有高动态范围和潜在和的场景中提高3D测量的准确性.
主要方法:
- 对N级相位移中的和诱导相位误差的数学模型的分析.
- 投影额外的N步相位移边缘图案,初始相位移为pi/N,以生成一个补充的相位图.
- 平均原始和补充相位图,以取消相位错误.
主要成果:
- 提出的方法有效地减少因强度和引起的相位误差.
- 模拟和实验证实了相位误差的大幅减少.
- 在各种场景中实现了精确的3D测量.
结论:
- 开发的补偿方法成功地减轻了边缘投射特征测量的和诱导的相位误差.
- 这种技术提高了测量精度,特别是在具有挑战性的照明条件下.
- 该方法为精确的3D表面重建提供了强大的解决方案.
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