Rapid in-situ 3D measurement of shiny object based on fast and high dynamic range digital fringe projector

被引：67
作者：
Zhao, Huijie [1 ]
Liang, Xiaoyue [1 ]
Diao, Xiaochun [1 ]
Jiang, Hongzhi [1 ]
机构：
[1] Beihang Univ, Precis Optomechatron Technol Key Lab, Educ Minist, Sch Instrumentat Sci & Optoelect Engn, Beijing 100191, Peoples R China
来源：
OPTICS AND LASERS IN ENGINEERING | 2014年 / 54卷
基金：
国家高技术研究发展计划(863计划);
关键词：
Shiny workpiece; 3D measurement; High dynamic range; Phase-shifting; Fringe projecting;
D O I：
10.1016/j.optlaseng.2013.08.002
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A fast and high dynamic range digital fringe projection technique is proposed to achieve fast and effective 3D measurement of shiny workpieces with dense point clouds. The new projector can reach a maximum frame rate of 700 Hz. The dynamic range of the light intensity can vary at least 9 times by using multiple homochromous LED chips and intensity modulation technique. The results of our experiments showed that the projector can reduce 88% of the routine projecting time, and it improves the speed of 3D precise measurement of shiny surface. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：170 / 174
页数：5
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