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http://dx.doi.org/10.3807/JOSK.2009.13.4.464

Ultra High-speed 3-dimensional Profilometry Using a Laser Grating Projection System  

Park, Yoon-Chang (Department of I&C Engineering, Sun Moon University)
Ahn, Seong-Joon (Department of I&C Engineering, Sun Moon University)
Kang, Moon-Ho (Department of I&C Engineering, Sun Moon University)
Kwon, Young-Chul (Department of Mechanical Engineering, Sun Moon University)
Ahn, Seung-Joon (Department of Information Display, Sun Moon University)
Publication Information
Journal of the Optical Society of Korea / v.13, no.4, 2009 , pp. 464-467 More about this Journal
Abstract
The grating projection method with phase-shifting technique is very useful in measuring the 3-dimensional (3D) shape with high accuracy and speed. In this work, we have developed an ultra high-speed digital laser grating projection system using a high-power laser diode and a highsensitivity CMOS camera. With our system, the optical measurement required to find out the profile of a 3D object could be carried out within 2.6 ms, which is a significant ($\sim$10 times) improvement compared with those of the previous studies.
Keywords
Ultra high-speed 3D profilometry; 3D shape measurement; Laser grating projection; Phase shifting; Two-wavelength phase unwrapping;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
Times Cited By Web Of Science : 2  (Related Records In Web of Science)
Times Cited By SCOPUS : 2
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