Expand this Topic clickable element to expand a topic
Skip to content
Optica Publishing Group

Enhancement of the dynamic range of the detected intensity in an optical measurement system by a three-channel technique

Not Accessible

Your library or personal account may give you access

Abstract

When three-dimensional optical topometry of technical surfaces is performed, one major problem is that often the local reflectance of the object’s surface varies within a wide range. This leads to overexposed and underexposed areas on the detector, where no measurements can be made. To overcome this problem, we have developed a method that extends the dynamic range of an imaging system. As an example we implemented this method to a measurement system that is based on fringe projection with a data projector and a color CCD camera. By projection of quasi-monochromatic fringes a different dynamic range in each of the three color channels of the camera is achieved. Hence the overall dynamic range of the system is increased by a factor larger than 5.

© 2002 Optical Society of America

Full Article  |  PDF Article
More Like This
Technique for phase measurement and surface reconstruction by use of colored structured light

Oleksandr A. Skydan, Michael J. Lalor, and David R. Burton
Appl. Opt. 41(29) 6104-6117 (2002)

High dynamic range 3D measurement based on polarization and multispectrum co-modulation

Haorui Huang, Fuqian Li, Chenglin Zuo, and Yajun Wang
Opt. Express 31(25) 41582-41594 (2023)

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Figures (9)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Tables (2)

You do not have subscription access to this journal. Article tables are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Equations (4)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Select as filters


Select Topics Cancel
© Copyright 2024 | Optica Publishing Group. All Rights Reserved