Three-dimensional profile measurement of the blade based on surface structured light

被引：18

作者：

Fu, Yanjun ^{[1
]}

Wang, Yonglong ^{[1
]}

Wan, Meiting ^{[1
]}

Wang, Wei ^{[1
]}

机构：

[1] Nanchang Hangkong Univ, Minist Educ, Key Lab Nondestruct Testing, Nanchang 330063, Peoples R China

来源：

OPTIK | 2013年 / 124卷 / 18期

关键词：

Three-dimensional profile measurement; The surface structured light; Phase unwrapping; Combined coding; PHASE; PROFILOMETRY;

D O I：

10.1016/j.ijleo.2012.10.003

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

As the blade must have precise size and accurate shape, three-dimensional profile measurement of the blade is very important. In this paper, three-dimensional profile measurement method of the blade based on surface structured light is proposed. A new phase unwrapping method is also proposed. This encoding method combined coding fringe pattern with the four-step. phase-shifting method, the coding information is embedded into the phase, which can be used to determine fringe order for absolute phase retrieval. The encoding method is simple and easy to implement, so the phase unwrapping of the blade can be quickly perform. The experimental and simulation results show that the method can achieve a high precision, high speed and low cost three-dimensional profile measurement of the blade. (C) 2012 Elsevier GmbH. All rights reserved.

引用

页码：3225 / 3229

页数：5

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