Superfast phase-shifting method for 3-D shape measurement
Optics Express, Vol. 18, Issue 9, pp. 9684-9689 (2010)
http://dx.doi.org/10.1364/OE.18.009684
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Abstract
Recently introduced DLP Discovery technology allows for tens of kHz binary image switching, which has great potential for superfast 3-D shape measurement. This paper presents a system that realizes 3-D shape measurement by using a DLP Discovery technology to switch binary structured patterns at very high frame rates. The sinusoidal fringe patterns are generated by properly defocusing the projector. Combining this approach with a phase-shifting method, we achieve an unprecedented rate for 3-D shape measurement: 667 Hz. This technology can be applied to numerous applications including medical science, biometrics, and entertainment.
© 2010 Optical Society of America
OCIS Codes
(110.6880) Imaging systems : Three-dimensional image acquisition
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(320.7100) Ultrafast optics : Ultrafast measurements
ToC Category:
Imaging Systems
History
Original Manuscript: March 12, 2010
Revised Manuscript: April 21, 2010
Manuscript Accepted: April 22, 2010
Published: April 23, 2010
Virtual Issues
Vol. 5, Iss. 9 Virtual Journal for Biomedical Optics
Citation
Song Zhang, Daniel Van Der Weide, and James Oliver, "Superfast phase-shifting method for 3-D shape measurement," Opt. Express 18, 9684-9689 (2010)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=oe-18-9-9684
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References
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