Superfast phase-shifting method for 3-D shape measurement

作者:Zhang Song*; Van Der Weide Daniel; Oliver James
来源:Optics Express, 2010, 18(9): 9684-9689.
DOI:10.1364/OE.18.009684

摘要

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.

  • 出版日期2010-4-26