Application of improved phase-measuring profilometry in nonconstant environmental light

被引：10

作者：

Li, WS ^{[1
]}

Su, XY ^{[1
]}

机构：

[1] Sichuan Univ, Optoelect Dept, Chengdu 610064, Peoples R China

来源：

OPTICAL ENGINEERING | 2001年 / 40卷 / 03期

基金：

中国国家自然科学基金;

关键词：

3D sensing; phase-measuring profilometry (PMP); phase error; environmental light;

D O I：

10.1117/1.1349212

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The accuracy of phase-measuring profilometry is greatly influenced by environmental light, especially outdoors. The errors caused by changes of the environmental light are analyzed, and some simulated fringe patterns are processed. A new calibration algorithm, which performs intensity background and fringe amplitude transformations, is proposed. Theoretical analysis and experimental results verify that the improved phase-measuring profilometry is insensitive to the change of environmental light. (C) 2001 Society of Photo-Optical Instrumentation Engineers.

引用

页码：478 / 485

页数：8

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