Calibration of zoom lens with virtual optical pattern

Aymen Arfaoui; Simon Thibault; Pierre Desaulniers

doi:10.1117/1.OE.54.5.054107

21 May 2015 Calibration of zoom lens with virtual optical pattern

Aymen Arfaoui, Simon Thibault, Pierre Desaulniers

Author Affiliations +

Optical Engineering, Vol. 54, Issue 5, 054107 (May 2015). https://doi.org/10.1117/1.OE.54.5.054107

Abstract

The accuracy of calibration patterns, their fabrication, and their setup are some of the important challenges in a zoom-lens camera calibration process. We address these problems by using a cross-diffractive optical element, which generates a virtual, dense, and robust calibration grid. We show that a 33×33 calibration grid provides enough control points to fill the entire field of view for 10 to 20× zoom lenses. We show that the calibration of a zoom camera at infinity can be done using this method. A polynomial function has been used to model the variation of the intrinsic calibration parameters over the zoom range. The obtained calibration model has also been validated using a well-known target pattern.

Citation Download Citation

Aymen Arfaoui, Simon Thibault, and Pierre Desaulniers "Calibration of zoom lens with virtual optical pattern," Optical Engineering 54(5), 054107 (21 May 2015). https://doi.org/10.1117/1.OE.54.5.054107

Published: 21 May 2015

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