• Chinese Optics Letters
  • Vol. 14, Issue 8, 081101 (2016)
Xin Fan1、2、3, Changhe Zhou1、*, Shaoqing Wang1, Chao Li3, and Boquan Yang4
Author Affiliations
  • 1Laboratory of Information Optics and Optoelectronics Techniques, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Science, Shanghai 201800, China
  • 2University of Chinese Academy of Science, Beijing 100049, China
  • 3School of Physical Science and Technology, ShanghaiTech University, Shanghai 200031, China
  • 4College of Science, Shanghai University, Shanghai 201800, China
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    DOI: 10.3788/COL201614.081101 Cite this Article Set citation alerts
    Xin Fan, Changhe Zhou, Shaoqing Wang, Chao Li, Boquan Yang. 3D human face reconstruction based on band-limited binary patterns[J]. Chinese Optics Letters, 2016, 14(8): 081101 Copy Citation Text show less

    Abstract

    Face recognition technology has great prospects for practical applications. Three-dimensional (3D) human faces are becoming more and more important in consideration of the limits of two-dimensional face recognition. We propose an active binocular setup to obtain a 3D colorful human face using the band-limited binary patterns (BBLP) method. Two grayscale cameras capture the BBLP projected onto the target of human face by a digital light processing (DLP) projector synchronously. Then, a color camera captures a colorful image of the human face. The benefit of this system is that the 3D colorful human face can be obtained easily with an improved temporal correlation algorithm and the precalibration results between three cameras. The experimental results demonstrated the robustness, easy operation, and the high speed of this 3D imaging setup.
    TCT(x,y,d)=t=1N[IU(x,y,t)MU]·[ID(x+d,y,t)MD]SU(x,y,t)·SD(x+d,y,t),(1)

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    M=1Nt=1NI(u,v,t),(2)

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    S=1Nt=1N(I(u,v,t)M)2,(3)

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    OTCT(x,y,d)=t=1Ndx=mmdy=nn[IU(x+dx,y+dy,t)MU]·[ID(x+dx+d,y+dy,t)MD]SU(x,y,t)·SD(x+d,y,t),(4)

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    Xin Fan, Changhe Zhou, Shaoqing Wang, Chao Li, Boquan Yang. 3D human face reconstruction based on band-limited binary patterns[J]. Chinese Optics Letters, 2016, 14(8): 081101
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