360 degrees 3D profilometry

被引：3
作者：
Song, YH [1 ]
Zhao, H [1 ]
Chen, WY [1 ]
Tan, YS [1 ]
机构：
[1] Xian Jiao Tong Univ, Res Inst Laser & Infrared Applicat, Xian 710049, Peoples R China
来源：
THREE-DIMENSIONAL IMAGING AND LASER-BASED SYSTEMS FOR METROLOGY AND INSPECTION III | 1997年 / 3204卷
关键词：
phase shifting; light sectioning; 360 degrees 3D shape measurement; phase unwrapping algorithm;
D O I：
10.1117/12.294458
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A new method of 360 degrees turning 3D shape measurement ill which light sectioning and phase shirting techniques are both used is presented in this paper. A sine light field is applied in the projected light stripe, meanwhile phase shifting technique is used to calculate phases of the light slit. Thereafter wrapped phase distribution of the slit is formed and the unwrapping process will be made by means of the height information based on the light sectioning method. Therefore phase measuring results with better precision can be obtained. At last the target 3D shape data can be produced according to geometric relationships between phases and tile object heights. The principles of this method is discussed in detail and experimental results are shown in this paper.
引用
收藏
页码：204 / 208
页数：5
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