Light field three-dimensional measurement

被引：1
|
作者：
Cai, Zewei [1 ]
Liu, Xiaoli [1 ]
Liao, Meihua [1 ]
He, Wenqi [1 ]
Pedrini, Giancarlo [2 ]
Osten, Wolfgang [2 ]
Peng, Xiang [1 ]
机构：
[1] Shenzhen Univ, Coll Optoelect Engn, Minist Educ & Guangdong Prov, Key Lab Optoelect Devices & Syst, Shenzhen 518060, Guangdong, Peoples R China
[2] Univ Stuttgart, Inst Tech Opt, Pfaffenwaldring 9, D-70569 Stuttgart, Germany
来源：
OPTICAL MEASUREMENT SYSTEMS FOR INDUSTRIAL INSPECTION XI | 2019年 / 11056卷
基金：
中国国家自然科学基金;
关键词：
Light field; ray calibration; metric calibration; three-dimensional measurement; FRINGE PROJECTION PROFILOMETRY; CALIBRATION;
D O I：
10.1117/12.2526889
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This letter reports a novel method for light field three-dimensional measurement by using unfocused plenoptic cameras. A light field metric model, based on which nonmetric depths in the image space can be mapped to metric dimensions in the object space, was established. Furthermore, with the aid of a three-dimensional measurement system, light field metric calibration was carried out by determining light rays with spatio-angular parameters and set up the depth relationship between the object and image spaces in accordance with the light field image properties.
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收藏
页数：7
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