A convenient look-up-table based method for the compensation of non-linear error in digital fringe projection

被引：7
|
作者：
Chen Xiong [1 ]
Jun Yao [2 ]
Jubing Chen [2 ]
Hong Miao [1 ]
机构：
[1] Key Laboratory of Mechanical Behavior and Design of Materials (CAS), Department of Modern Mechanics, University of Science and Technology of China
[2] Department of Engineering Mechanics, Shanghai Jiao Tong University
来源：
Theoretical & Applied Mechanics Letters | 2016年 / 6 卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Phase measurement; Digital fringe projection; Non-linear error compensation; Digital image processing;
D O I：
暂无
中图分类号：
TP391.41 [];
学科分类号：
080203 ;
摘要：
Although the structured light system that uses digital fringe projection has been widely implemented in three-dimensional surface profile measurement, the measurement system is susceptible to non-linear error. In this work, we propose a convenient look-up-table-based(LUT-based) method to compensate for the non-linear error in captured fringe patterns. Without extra calibration, this LUT-based method completely utilizes the captured fringe pattern by recording the full-field differences. Then, a phase compensation map is established to revise the measured phase. Experimental results demonstrate that this method works effectively.
引用
收藏
页码：49 / 53
页数：5
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