Volume 45 Issue 6
Jun.  2016
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Li Biao, Wu Haitao, Zhang Jiancheng, Fu Yanjun. 3D shape measurement method combining sinusoidal pulse width modulation fringe with phase coding fringe[J]. Infrared and Laser Engineering, 2016, 45(6): 617006-0617006(6). doi: 10.3788/IRLA201645.0617006
Citation: Li Biao, Wu Haitao, Zhang Jiancheng, Fu Yanjun. 3D shape measurement method combining sinusoidal pulse width modulation fringe with phase coding fringe[J]. Infrared and Laser Engineering, 2016, 45(6): 617006-0617006(6). doi: 10.3788/IRLA201645.0617006
shu

3D shape measurement method combining sinusoidal pulse width modulation fringe with phase coding fringe

doi: 10.3788/IRLA201645.0617006
  • 1.

    Key Laboratory of Nondestructive Testing (Ministry of Education),Nanchang Hangkong University,Nanchang 330063,China

  • Received Date: 2015-10-05
  • Rev Recd Date: 2015-11-03
  • Publish Date: 2016-06-25
  • A 3D shape measurement method combining sinusoidal pulse width modulation fringe with phase coding fringe was proposed. Two kinds of coding fringes were projected onto the object with defocus. Using a phase-shift algorithm, the wrapped phase was obtained by the sinusoidal pulse width modulation fringe, the fringe order was got by the phase coding fringe. Then, the three-dimensional shape of the measurement object can be restored. The experimental results demonstrate that the proposed method has two merits:(1) It can decrease the measurement error because of filtering the harmonics with slight defocus;(2) It can measure the different contrast object because it is based on phase code.
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    [2] Wang Ying, Zhang Rui. In-pipe surface circular structured light 3D vision inspection system[J]. Infrared and Laser Engineering, 2014, 43(3): 891-896.
    [3] Wang Jianli, Liu Xinyue. Concept and development of smart of smart optics[J]. Chinese Optics, 2013, 6(4): 437-448.
    [4] Wang Shuzhen, Xie Tiebang, Chang Suping. Combined profilometer for ultra-precision surface topography[J]. Optics and Precision Engineering, 2011, 19(4): 828-835.
    [5] Lei Shuangyan, Zhang Song. Flexible 3-D shape measurement using projector defocusing[J]. Optics Letters, 2009, 34(20): 3080-3082.
    [6] Gaston A Ayubi, Jaime A Ayubi, Matias Di Martino, et al. Pulse-width modulation in defocused three-dimensional fringe projection[J]. Optics Letters, 2010, 35(21): 3682-3684.
    [7] Wang Yajun, Zhang Song. Optimal pulse width modulation for sinusoidal fringe generation with projector defocusing[J]. Optics Letters, 2010, 35(24): 4121-4123.
    [8] Zuo Chao, Chen Qian, Gu Guohua, et al. High-speed three-dimensional shape measurement for dynamic scenes using bi-frequency tripolar pulse-width-modulation fringe projection[J]. Optics and Lasers in Engineering, 2013, 51(8): 953-960.
    [9] Wang Changbo, Xie Minghong. Binocular three-dimention reconstruction combined with gray coding and phase-shift[J]. Computer Engineering, 2013, 39(5): 178-182.
    [10] Liu Kai, Wang Yongchang, Lau Daniel L, et al. Dual-frequency pattern scheme for high-speed 3-D shape measurement[J]. Optics Express, 2010, 18(5): 5229-5244.
    [11] Feng Shijie, Chen Qian, Zuo Chao. Graphics processing unit-assisted real-time three-dimensional measurement using speckle-embedded fringe[J]. Applied Optics, 2015, 54(22): 6865-6873.
    [12] Wang Yajun, Zhang Song. Novel phase-coding method for absolute phase retrieval[J]. Optics Letters, 2012, 37(11): 2067-2069.
    [13] Zheng Dongliang, Da Feipeng. Phase coding method for absolute phase retrieval with a large number of codewords[J]. Optics Express, 2012, 20(22): 24139-24150.
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    [16] Jia Tong, Zhou Zhongxuan, Gao Haihong, et al. Depth measurement based on infrared coded structured light[J]. Infrared and Laser Engineering, 2015, 44(5): 1628-1632.
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3D shape measurement method combining sinusoidal pulse width modulation fringe with phase coding fringe

doi: 10.3788/IRLA201645.0617006
  • 1. Key Laboratory of Nondestructive Testing (Ministry of Education),Nanchang Hangkong University,Nanchang 330063,China
  • Received Date: 2015-10-05
  • Rev Recd Date: 2015-11-03
  • Publish Date: 2016-06-25

Abstract: A 3D shape measurement method combining sinusoidal pulse width modulation fringe with phase coding fringe was proposed. Two kinds of coding fringes were projected onto the object with defocus. Using a phase-shift algorithm, the wrapped phase was obtained by the sinusoidal pulse width modulation fringe, the fringe order was got by the phase coding fringe. Then, the three-dimensional shape of the measurement object can be restored. The experimental results demonstrate that the proposed method has two merits:(1) It can decrease the measurement error because of filtering the harmonics with slight defocus;(2) It can measure the different contrast object because it is based on phase code.

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