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结构光之相移法+多频外差的数学原理推导
2022-06-28 12:08:00 【3D视觉工坊】
论文:基于数字光栅投影的结构光三维测量技术与系统研究 [博]
作者:李中伟 华中科技大学 2007
功能:相移法:多频外差(三频N步相移法)
01 相移法
图1 待写入投影仪的理想N步相移条纹 |
通常对于 步相移来说,生成第 幅条纹图像(如图1所示)的公式如下:
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其中:
:背景光强
:调制强度
:像素点横向坐标
:相移值
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