Review of fringe-projection profilometry and phase measuring deflectometry

被引：0

作者：

Liu D. ^{[1
]}

Yan T. ^{[1
]}

Wang D. ^{[2
]}

Yang Y. ^{[1
]}

Huang W. ^{[3
]}

机构：

[1] State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, Zhejiang University, Hangzhou

[2] College of Metrology and Measurement Engineering, China Jiliang University, Hangzhou

[3] State Key Laboratory of Applied Optics, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun

来源：

| 2017年 / Chinese Society of Astronautics卷 / 46期

关键词：

Accuracy; Comparison; Fringe-projection profilometry; Phase measuring deflectometry; Speed;

D O I：

10.3788/IRLA201746.0917001

中图分类号：

学科分类号：

摘要：

Fringe-projection profilometry and phase measuring deflectometry can realize high accurate measurement of three-dimensional shape, which has good development prospect in the full field threedimensional profilometry. First, the measuring principles of fringe-projection profilometry and phase measuring deflectometry were introduced. Moreover, the technologies of phase extracting and camera calibration in fringe-projection profilometry and phase measuring deflectometry were also especially emphasized, which were key technologies. Then the similarities and differences of fringe-projection profilometry and phase measuring deflectometry were compared. What's more, the development direction and problems to be solved of enhancing the measurement accuracy and speed in fringe-projection profilometry and phase measuring deflectometry were introduced. In order to improve the measurement accuracy, main methods can be divided as follows: correcting the the Gamma effect of a digital projector and a digital camera, improving the phase extraction accuracy of the fringes, enhancing the camera calibration accuracy, phase-height/gradient calibration accuracy and other means. In order to improve the measurement speed, the phase extraction speed and the phase unwrapping speed were improved. © 2017, Editorial Board of Journal of Infrared and Laser Engineering. All right reserved.

引用

共 37 条

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