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Robust Dense Depth Acquisition Using 2-D De Bruijn Structured Light

  • Zhiliang Xu
  • Lizhuang Ma
  • Wuzheng Tan
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4740)

Abstract

We present a new dense depth acquisition method using 2-D De Bruijn structured light, which is robust to various textures and is able to reconstruct dense depth maps of moving and deforming objects. A 2-D binary De Bruijn pattern is emitted to the target object by an off-the-shelf projector. Fast dynamic programming based stereo matching is performed on images taken from two different views. The depth is obtained by robust least square triangulation. The advantages include that we do not need to take image sequences with different illumination patterns and do not assume that the surface for reconstruction has uniform texture. Experimental results show that shapes can be efficiently obtained in good quality by the proposed approach. We believe that our approach is a good choice in applications of acquiring depth maps for moving scenes with inexpensive equipments.

Keywords

Depth acquisition range sensing 3-D model reconstruction De Bruijn sequence 

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Copyright information

© IFIP International Federation for Information Processing 2007

Authors and Affiliations

  • Zhiliang Xu
    • 1
  • Lizhuang Ma
    • 1
  • Wuzheng Tan
    • 1
  1. 1.Department of Computer Science & Engineering, Shanghai Jiaotong University, No. 800, Dongchuan Rd., Shanghai 200240P.R. China

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