Colored Ronchi pattern for fringe projection profilometry

Jayson P. Cabanilla; Nathaniel Hermosa

doi:10.1117/12.2537690

18 November 2019 Colored Ronchi pattern for fringe projection profilometry

Jayson P. Cabanilla, Nathaniel Hermosa

Proceedings Volume 11189, Optical Metrology and Inspection for Industrial Applications VI; 111891M (2019) https://doi.org/10.1117/12.2537690
Event: SPIE/COS Photonics Asia, 2019, Hangzhou, China

Abstract

We developed a color Ronchi pattern, a new form of fringe pattern, that can effectively used in fringe projection profilometry. The pattern is formed such that color channels red, green and blue are in separate spatial domains. From a single-shot image of the structured pattern, we are able to reconstruct the surface profile of a distorted paint canvas using both Fourier transform profilometry (FTP) and phase shifting profilometry (PSP). From the three surface reconstructions obtained using FTP, tiny artifacts in the form of ripples are observed. These artifacts are significantly reduced when the surface measurements in FTP are averaged. Experimental results have shown that both FTP and PSP successfully reconstructed the profile of a distorted paint canvas with a measurement difference between 10.00% to 15.00% from the actual displacement.

Citation Download Citation

Jayson P. Cabanilla and Nathaniel Hermosa "Colored Ronchi pattern for fringe projection profilometry", Proc. SPIE 11189, Optical Metrology and Inspection for Industrial Applications VI, 111891M (18 November 2019); https://doi.org/10.1117/12.2537690

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