Three-dimensional shape measurement of specular surfaces by orthogonal composite fringe reflection

Pei Xie; Minxue Tang; Xiaoru Wei

doi:10.1117/12.904805

28 November 2011 Three-dimensional shape measurement of specular surfaces by orthogonal composite fringe reflection

Pei Xie, Minxue Tang, Xiaoru Wei

Proceedings Volume 8200, 2011 International Conference on Optical Instruments and Technology: Optoelectronic Imaging and Processing Technology; 820014 (2011) https://doi.org/10.1117/12.904805
Event: International Conference on Optical Instruments and Technology (OIT2011), 2011, Beijing, Beijing, China

Abstract

This paper presents a novel method of 3D shape measurements of specular surfaces, based on fringe reflection technique and Fourier transform profilometry. A simple measurement system is set up. In this system, an LCD screen is used to display orthogonal composite fringe patterns. The fringe patterns reflected by a standard plane mirror and a measured specular surface are captured by a CCD camera. The phase distributions of the fringe patterns would be extracted by using Fourier transform profilometry. Relations between the surface gradients and phase changes in horizontal and vertical directions have been established. Then the shape of the measured surface can be reconstructed from gradient vector field by full-field least square method. The experiment of a concave mirror with a 100-mm diameter proves the validity of this method.

Citation Download Citation

Pei Xie, Minxue Tang, and Xiaoru Wei "Three-dimensional shape measurement of specular surfaces by orthogonal composite fringe reflection", Proc. SPIE 8200, 2011 International Conference on Optical Instruments and Technology: Optoelectronic Imaging and Processing Technology, 820014 (28 November 2011); https://doi.org/10.1117/12.904805

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available