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WANG Hui, BAI Leyuan, MA Ke, ZHANG Qican. 3-D measurement of dynamic and isolated objects based on color-encoded sinusoidal fringe[J]. LASER TECHNOLOGY, 2014, 38(3): 297-301. DOI: 10.7510/jgjs.issn.1001-3806.2014.03.003
Citation: WANG Hui, BAI Leyuan, MA Ke, ZHANG Qican. 3-D measurement of dynamic and isolated objects based on color-encoded sinusoidal fringe[J]. LASER TECHNOLOGY, 2014, 38(3): 297-301. DOI: 10.7510/jgjs.issn.1001-3806.2014.03.003
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3-D measurement of dynamic and isolated objects based on color-encoded sinusoidal fringe

  • School of Electronics and Information Engineering, Sichuan University, Chengdu 610064, China

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  • Received Date: July 28, 2013
  • Revised Date: August 28, 2013
  • Published Date: May 24, 2014
    Graphical Abstract
    • Abstract
  • When 3-D shapes of dynamic objects, especially with isolated area and discontinuous distribution, are measured with the traditional fringe projection and phase analysis method, it is difficult to get reliable expansion phase. A technique based on color-encoded sinusoidal fringe projection was proposed to solve the problem. The projected sinusoidal fringes were marked with two-level encoded color. After capturing the deformed fringe pattern, the fringe order was determined according to the color sequence based on the coded characteristics, and the cut-off phase was unwrapped. Finally, the 3-D shape of the dynamic object with isolate area was reconstructed. The results show the decoding method is stable and reliable. 3-D shape of the spatially isolated dynamic objects can be exactly reconstructed with only one shot.
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    • References (15)
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