Application of an automatic phase unwrapping method for the quantitative extraction of information from high-resolution interferometric and photo-elastic data

Peter John Bryanston-Cross; Chenggen Quan; John T. Judge

doi:10.1117/12.165456

10 December 1993 Application of an automatic phase unwrapping method for the quantitative extraction of information from high-resolution interferometric and photo-elastic data

Peter John Bryanston-Cross, Chenggen Quan, John T. Judge

Author Affiliations +

Proceedings Volume 2003, Interferometry VI: Techniques and Analysis; (1993) https://doi.org/10.1117/12.165456
Event: SPIE's 1993 International Symposium on Optics, Imaging, and Instrumentation, 1993, San Diego, CA, United States

Abstract

This paper describes the application of digital Fourier transform to phase encoded intensity distribution. Attention is drawn to a method of extracting quantitative information automatically from the interferometric fringe data. To achieve this a set of carrier fringes has been added to interferometric fringe data. This has made it possible to form a phase map using a FFT (Fast Fourier Transform) algorithm. A Minimum Spanning Tree (MST) phase unwrapping strategy has been used to create a contiguous map of the whole fringe field. Finally, the measurement parameter related to the fringe field has been calculated from one single image. Experimental results are given for the burner flames, a compressible flow, and photoelastic fringe data.

Citation Download Citation

Peter John Bryanston-Cross, Chenggen Quan, and John T. Judge "Application of an automatic phase unwrapping method for the quantitative extraction of information from high-resolution interferometric and photo-elastic data", Proc. SPIE 2003, Interferometry VI: Techniques and Analysis, (10 December 1993); https://doi.org/10.1117/12.165456

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

Members: $17.00

Non-members: $21.00 ADD TO CART

PROCEEDINGS
15 PAGES

DOWNLOAD PAPER SAVE TO MY LIBRARY

GET CITATION

RIGHTS & PERMISSIONS

Get copyright permission Get copyright permission on Copyright Marketplace

KEYWORDS

Interferometry

Fringe analysis

Fourier transforms

Raster graphics

Holography

Chlorine

Photoelasticity

Show All Keywords

Keywords/Phrases

Search In:

Publication Years